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authorVeetaha <[email protected]>2020-02-01 20:25:01 +0000
committerVeetaha <[email protected]>2020-02-03 22:00:55 +0000
commita3e5663ae0206270156fbeb926a174a40abbddb0 (patch)
treee0aa3bdcec597e81f022ac1ce388d42724a92f51 /crates/ra_syntax/test_data/lexer/err
parent9367b9a2920073a3f79fdff80dcc97d727f6ce17 (diff)
ra_syntax: added tests for tokenization errors
Diffstat (limited to 'crates/ra_syntax/test_data/lexer/err')
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt10
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt10
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs1
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs17
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt39
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs22
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt62
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs2
-rw-r--r--crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt6
114 files changed, 326 insertions, 0 deletions
diff --git a/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs
new file mode 100644
index 000000000..ad2823b48
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.rs
@@ -0,0 +1 @@
' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt
new file mode 100644
index 000000000..f24e1fd32
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0001_unclosed_char_at_eof.txt
@@ -0,0 +1,2 @@
1CHAR 1 "\'"
2> error[0; 1) token("\'") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs
new file mode 100644
index 000000000..e264a4152
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.rs
@@ -0,0 +1 @@
'🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt
new file mode 100644
index 000000000..bd08cfc44
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0002_unclosed_char_with_ferris.txt
@@ -0,0 +1,2 @@
1CHAR 5 "\'🦀"
2> error[0; 5) token("\'🦀") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs
new file mode 100644
index 000000000..cf74b4dad
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.rs
@@ -0,0 +1 @@
'\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt
new file mode 100644
index 000000000..0ee22912d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0003_unclosed_char_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1CHAR 5 "\'\\x7f"
2> error[0; 5) token("\'\\x7f") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs
new file mode 100644
index 000000000..50be91f68
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.rs
@@ -0,0 +1 @@
'\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt
new file mode 100644
index 000000000..96fac42ce
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0004_unclosed_char_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1CHAR 9 "\'\\u{20AA}"
2> error[0; 9) token("\'\\u{20AA}") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs
new file mode 100644
index 000000000..309ecfe47
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.rs
@@ -0,0 +1 @@
' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt
new file mode 100644
index 000000000..2059f3f81
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0005_unclosed_char_with_space.txt
@@ -0,0 +1,2 @@
1CHAR 2 "\' "
2> error[0; 2) token("\' ") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs
new file mode 100644
index 000000000..6ba258b10
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.rs
@@ -0,0 +1 @@
'\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt
new file mode 100644
index 000000000..7dd376e59
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0006_unclosed_char_with_slash.txt
@@ -0,0 +1,2 @@
1CHAR 2 "\'\\"
2> error[0; 2) token("\'\\") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs
new file mode 100644
index 000000000..78bef7e3e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.rs
@@ -0,0 +1 @@
'\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt
new file mode 100644
index 000000000..ef7a0a147
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0007_unclosed_char_with_slash_n.txt
@@ -0,0 +1,2 @@
1CHAR 3 "\'\\n"
2> error[0; 3) token("\'\\n") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs
new file mode 100644
index 000000000..a0e722065
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.rs
@@ -0,0 +1 @@
'\' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt
new file mode 100644
index 000000000..13fc5ea9a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0008_unclosed_char_with_slash_single_quote.txt
@@ -0,0 +1,2 @@
1CHAR 3 "\'\\\'"
2> error[0; 3) token("\'\\\'") msg(Missing trailing `'` symbol to terminate the character literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs
new file mode 100644
index 000000000..795dc7e25
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.rs
@@ -0,0 +1 @@
b' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt
new file mode 100644
index 000000000..269d68c74
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0009_unclosed_byte_at_eof.txt
@@ -0,0 +1,2 @@
1BYTE 2 "b\'"
2> error[0; 2) token("b\'") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs
new file mode 100644
index 000000000..c9230dc24
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.rs
@@ -0,0 +1 @@
b'🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt
new file mode 100644
index 000000000..91a76e479
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0010_unclosed_byte_with_ferris.txt
@@ -0,0 +1,2 @@
1BYTE 6 "b\'🦀"
2> error[0; 6) token("b\'🦀") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs
new file mode 100644
index 000000000..d146a8090
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.rs
@@ -0,0 +1 @@
b'\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt
new file mode 100644
index 000000000..b8c804a18
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0011_unclosed_byte_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1BYTE 6 "b\'\\x7f"
2> error[0; 6) token("b\'\\x7f") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs
new file mode 100644
index 000000000..a3dec7c25
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.rs
@@ -0,0 +1 @@
b'\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt
new file mode 100644
index 000000000..dfca22a59
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0012_unclosed_byte_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1BYTE 10 "b\'\\u{20AA}"
2> error[0; 10) token("b\'\\u{20AA}") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs
new file mode 100644
index 000000000..93b7f9c87
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.rs
@@ -0,0 +1 @@
b' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt
new file mode 100644
index 000000000..51a1cceab
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0013_unclosed_byte_with_space.txt
@@ -0,0 +1,2 @@
1BYTE 3 "b\' "
2> error[0; 3) token("b\' ") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs
new file mode 100644
index 000000000..abffa5037
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.rs
@@ -0,0 +1 @@
b'\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt
new file mode 100644
index 000000000..24e835c27
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0014_unclosed_byte_with_slash.txt
@@ -0,0 +1,2 @@
1BYTE 3 "b\'\\"
2> error[0; 3) token("b\'\\") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs
new file mode 100644
index 000000000..4f46836a9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.rs
@@ -0,0 +1 @@
b'\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt
new file mode 100644
index 000000000..f1e39a41b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0015_unclosed_byte_with_slash_n.txt
@@ -0,0 +1,2 @@
1BYTE 4 "b\'\\n"
2> error[0; 4) token("b\'\\n") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs
new file mode 100644
index 000000000..645b641ee
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.rs
@@ -0,0 +1 @@
b'\' \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt
new file mode 100644
index 000000000..f8ffe815d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0016_unclosed_byte_with_slash_single_quote.txt
@@ -0,0 +1,2 @@
1BYTE 4 "b\'\\\'"
2> error[0; 4) token("b\'\\\'") msg(Missing trailing `'` symbol to terminate the byte literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs
new file mode 100644
index 000000000..9d68933c4
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.rs
@@ -0,0 +1 @@
" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt
new file mode 100644
index 000000000..823daaf6f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0017_unclosed_string_at_eof.txt
@@ -0,0 +1,2 @@
1STRING 1 "\""
2> error[0; 1) token("\"") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs
new file mode 100644
index 000000000..d439b8d2a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.rs
@@ -0,0 +1 @@
"🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt
new file mode 100644
index 000000000..164580eb3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0018_unclosed_string_with_ferris.txt
@@ -0,0 +1,2 @@
1STRING 5 "\"🦀"
2> error[0; 5) token("\"🦀") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs
new file mode 100644
index 000000000..56186a344
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.rs
@@ -0,0 +1 @@
"\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt
new file mode 100644
index 000000000..4453827c3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0019_unclosed_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1STRING 5 "\"\\x7f"
2> error[0; 5) token("\"\\x7f") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs
new file mode 100644
index 000000000..ed24095c3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.rs
@@ -0,0 +1 @@
"\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt
new file mode 100644
index 000000000..aa614f304
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0020_unclosed_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1STRING 9 "\"\\u{20AA}"
2> error[0; 9) token("\"\\u{20AA}") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs
new file mode 100644
index 000000000..72cdc841f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.rs
@@ -0,0 +1 @@
" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt
new file mode 100644
index 000000000..b7db1236f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0021_unclosed_string_with_space.txt
@@ -0,0 +1,2 @@
1STRING 2 "\" "
2> error[0; 2) token("\" ") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs
new file mode 100644
index 000000000..00a258400
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.rs
@@ -0,0 +1 @@
"\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt
new file mode 100644
index 000000000..9d3df3799
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0022_unclosed_string_with_slash.txt
@@ -0,0 +1,2 @@
1STRING 2 "\"\\"
2> error[0; 2) token("\"\\") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs
new file mode 100644
index 000000000..a0c29b8cf
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.rs
@@ -0,0 +1 @@
"\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt
new file mode 100644
index 000000000..e3eb672b6
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0023_unclosed_string_with_slash_n.txt
@@ -0,0 +1,2 @@
1STRING 3 "\"\\n"
2> error[0; 3) token("\"\\n") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..403c2d6dd
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
"\" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..041d7fb6e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0024_unclosed_string_with_slash_double_quote.txt
@@ -0,0 +1,2 @@
1STRING 3 "\"\\\""
2> error[0; 3) token("\"\\\"") msg(Missing trailing `"` symbol to terminate the string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs
new file mode 100644
index 000000000..36f4f4321
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.rs
@@ -0,0 +1 @@
b" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt
new file mode 100644
index 000000000..be7970a83
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0025_unclosed_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 2 "b\""
2> error[0; 2) token("b\"") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs
new file mode 100644
index 000000000..3c23a0372
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.rs
@@ -0,0 +1 @@
b"🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt
new file mode 100644
index 000000000..bf9aab132
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0026_unclosed_byte_string_with_ferris.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 6 "b\"🦀"
2> error[0; 6) token("b\"🦀") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..836c112c1
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
b"\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..76e16d7d3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0027_unclosed_byte_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 6 "b\"\\x7f"
2> error[0; 6) token("b\"\\x7f") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..1c6df1d00
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
b"\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..09adffa16
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0028_unclosed_byte_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 10 "b\"\\u{20AA}"
2> error[0; 10) token("b\"\\u{20AA}") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs
new file mode 100644
index 000000000..d6898541e
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.rs
@@ -0,0 +1 @@
b" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt
new file mode 100644
index 000000000..fcb7253c8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0029_unclosed_byte_string_with_space.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 3 "b\" "
2> error[0; 3) token("b\" ") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs
new file mode 100644
index 000000000..cce661538
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.rs
@@ -0,0 +1 @@
b"\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt
new file mode 100644
index 000000000..0a1b3e269
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0030_unclosed_byte_string_with_slash.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 3 "b\"\\"
2> error[0; 3) token("b\"\\") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..5e680aabb
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
b"\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..1fb89d2b6
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0031_unclosed_byte_string_with_slash_n.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 4 "b\"\\n"
2> error[0; 4) token("b\"\\n") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs
new file mode 100644
index 000000000..f2ff58ba9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.rs
@@ -0,0 +1 @@
b"\" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt
new file mode 100644
index 000000000..718d36992
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0032_unclosed_byte_string_with_slash_double_quote.txt
@@ -0,0 +1,2 @@
1BYTE_STRING 4 "b\"\\\""
2> error[0; 4) token("b\"\\\"") msg(Missing trailing `"` symbol to terminate the byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs
new file mode 100644
index 000000000..557c59b62
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.rs
@@ -0,0 +1 @@
r##" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt
new file mode 100644
index 000000000..93348f548
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0033_unclosed_raw_string_at_eof.txt
@@ -0,0 +1,2 @@
1RAW_STRING 4 "r##\""
2> error[0; 4) token("r##\"") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs
new file mode 100644
index 000000000..bd046e4bb
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.rs
@@ -0,0 +1 @@
r##"🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt
new file mode 100644
index 000000000..42c70dfe8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0034_unclosed_raw_string_with_ferris.txt
@@ -0,0 +1,2 @@
1RAW_STRING 8 "r##\"🦀"
2> error[0; 8) token("r##\"🦀") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs
new file mode 100644
index 000000000..5bec883dc
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.rs
@@ -0,0 +1 @@
r##"\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt
new file mode 100644
index 000000000..2bdeea0ff
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0035_unclosed_raw_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1RAW_STRING 8 "r##\"\\x7f"
2> error[0; 8) token("r##\"\\x7f") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs
new file mode 100644
index 000000000..bf05c3913
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.rs
@@ -0,0 +1 @@
r##"\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt
new file mode 100644
index 000000000..667d4d79f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0036_unclosed_raw_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1RAW_STRING 12 "r##\"\\u{20AA}"
2> error[0; 12) token("r##\"\\u{20AA}") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs
new file mode 100644
index 000000000..f104bae4f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.rs
@@ -0,0 +1 @@
r##" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt
new file mode 100644
index 000000000..dd9597a1a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0037_unclosed_raw_string_with_space.txt
@@ -0,0 +1,2 @@
1RAW_STRING 5 "r##\" "
2> error[0; 5) token("r##\" ") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs
new file mode 100644
index 000000000..9242077b8
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.rs
@@ -0,0 +1 @@
r##"\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt
new file mode 100644
index 000000000..6ac6e3d62
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0038_unclosed_raw_string_with_slash.txt
@@ -0,0 +1,2 @@
1RAW_STRING 5 "r##\"\\"
2> error[0; 5) token("r##\"\\") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs
new file mode 100644
index 000000000..db1c16f2b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.rs
@@ -0,0 +1 @@
r##"\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt
new file mode 100644
index 000000000..9d35443f5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0039_unclosed_raw_string_with_slash_n.txt
@@ -0,0 +1,2 @@
1RAW_STRING 6 "r##\"\\n"
2> error[0; 6) token("r##\"\\n") msg(Missing trailing `"` with `#` symbols to terminate the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..ae5bae622
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
br##" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..81fa39ea5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0040_unclosed_raw_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 5 "br##\""
2> error[0; 5) token("br##\"") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs
new file mode 100644
index 000000000..9ef01207a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.rs
@@ -0,0 +1 @@
br##"🦀 \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt
new file mode 100644
index 000000000..c2503a4d0
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0041_unclosed_raw_byte_string_with_ferris.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 9 "br##\"🦀"
2> error[0; 9) token("br##\"🦀") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs
new file mode 100644
index 000000000..d50270afe
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.rs
@@ -0,0 +1 @@
br##"\x7f \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt
new file mode 100644
index 000000000..3bd3d8152
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0042_unclosed_raw_byte_string_with_ascii_escape.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 9 "br##\"\\x7f"
2> error[0; 9) token("br##\"\\x7f") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs
new file mode 100644
index 000000000..90e299a1a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.rs
@@ -0,0 +1 @@
br##"\u{20AA} \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt
new file mode 100644
index 000000000..a512f0428
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0043_unclosed_raw_byte_string_with_unicode_escape.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 13 "br##\"\\u{20AA}"
2> error[0; 13) token("br##\"\\u{20AA}") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs
new file mode 100644
index 000000000..14c602fd2
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.rs
@@ -0,0 +1 @@
br##" \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt
new file mode 100644
index 000000000..dc616a623
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0044_unclosed_raw_byte_string_with_space.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 6 "br##\" "
2> error[0; 6) token("br##\" ") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs
new file mode 100644
index 000000000..0b3c015d7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.rs
@@ -0,0 +1 @@
br##"\ \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt
new file mode 100644
index 000000000..debafe380
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0045_unclosed_raw_byte_string_with_slash.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 6 "br##\"\\"
2> error[0; 6) token("br##\"\\") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs
new file mode 100644
index 000000000..0d8b0e7ab
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.rs
@@ -0,0 +1 @@
br##"\n \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt
new file mode 100644
index 000000000..524e617b7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0046_unclosed_raw_byte_string_with_slash_n.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 7 "br##\"\\n"
2> error[0; 7) token("br##\"\\n") msg(Missing trailing `"` with `#` symbols to terminate the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs
new file mode 100644
index 000000000..eddf8d080
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.rs
@@ -0,0 +1 @@
r## \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt
new file mode 100644
index 000000000..00b046840
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0047_unstarted_raw_string_at_eof.txt
@@ -0,0 +1,2 @@
1RAW_STRING 3 "r##"
2> error[0; 3) token("r##") msg(Missing `"` symbol after `#` symbols to begin the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs
new file mode 100644
index 000000000..7e8cadf4f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.rs
@@ -0,0 +1 @@
br## \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt
new file mode 100644
index 000000000..33b25e60f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0048_unstarted_raw_byte_string_at_eof.txt
@@ -0,0 +1,2 @@
1RAW_BYTE_STRING 4 "br##"
2> error[0; 4) token("br##") msg(Missing `"` symbol after `#` symbols to begin the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs
new file mode 100644
index 000000000..534668a9b
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.rs
@@ -0,0 +1 @@
r## I lack a quote! \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt
new file mode 100644
index 000000000..782dfd974
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0049_unstarted_raw_string_with_ascii.txt
@@ -0,0 +1,10 @@
1RAW_STRING 4 "r## "
2IDENT 1 "I"
3WHITESPACE 1 " "
4IDENT 4 "lack"
5WHITESPACE 1 " "
6IDENT 1 "a"
7WHITESPACE 1 " "
8IDENT 5 "quote"
9EXCL 1 "!"
10> error[0; 4) token("r## ") msg(Missing `"` symbol after `#` symbols to begin the raw string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs
new file mode 100644
index 000000000..d9b55455a
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.rs
@@ -0,0 +1 @@
br## I lack a quote! \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt
new file mode 100644
index 000000000..59c40cd65
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0050_unstarted_raw_byte_string_with_ascii.txt
@@ -0,0 +1,10 @@
1RAW_BYTE_STRING 5 "br## "
2IDENT 1 "I"
3WHITESPACE 1 " "
4IDENT 4 "lack"
5WHITESPACE 1 " "
6IDENT 1 "a"
7WHITESPACE 1 " "
8IDENT 5 "quote"
9EXCL 1 "!"
10> error[0; 5) token("br## ") msg(Missing `"` symbol after `#` symbols to begin the raw byte string literal)
diff --git a/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs
new file mode 100644
index 000000000..22e83649f
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.rs
@@ -0,0 +1 @@
/* \ No newline at end of file
diff --git a/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt
new file mode 100644
index 000000000..5d04cdaa4
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0051_unclosed_block_comment_at_eof.txt
@@ -0,0 +1,2 @@
1COMMENT 2 "/*"
2> error[0; 2) token("/*") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs
new file mode 100644
index 000000000..c45c2844d
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.rs
@@ -0,0 +1 @@
/* comment
diff --git a/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt
new file mode 100644
index 000000000..8c6b678e3
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0052_unclosed_block_comment_with_content.txt
@@ -0,0 +1,2 @@
1COMMENT 11 "/* comment\n"
2> error[0; 11) token("/* comment\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs
new file mode 100644
index 000000000..3fcfc9660
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.rs
@@ -0,0 +1 @@
/* /* /*
diff --git a/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt
new file mode 100644
index 000000000..250de34d9
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0053_unclosed_nested_block_comment_entirely.txt
@@ -0,0 +1,2 @@
1COMMENT 9 "/* /* /*\n"
2> error[0; 9) token("/* /* /*\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs
new file mode 100644
index 000000000..26c898f01
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.rs
@@ -0,0 +1 @@
/** /*! /* comment */ */
diff --git a/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt
new file mode 100644
index 000000000..f97f2a8c7
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0054_unclosed_nested_block_comment_partially.txt
@@ -0,0 +1,2 @@
1COMMENT 25 "/** /*! /* comment */ */\n"
2> error[0; 25) token("/** /*! /* comment */ */\n") msg(Missing trailing `*/` symbols to terminate the block comment)
diff --git a/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs
new file mode 100644
index 000000000..aa2a9fdca
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.rs
@@ -0,0 +1,17 @@
10b
20o
30x
4
50b_
60o_
70x_
8
90bnoDigit
100onoDigit
110xnoDigit
12
130xG
140xg
15
160x_g
170x_G
diff --git a/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt
new file mode 100644
index 000000000..2fe5bd950
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0055_empty_int.txt
@@ -0,0 +1,39 @@
1INT_NUMBER 2 "0b"
2WHITESPACE 1 "\n"
3INT_NUMBER 2 "0o"
4WHITESPACE 1 "\n"
5INT_NUMBER 2 "0x"
6WHITESPACE 2 "\n\n"
7INT_NUMBER 3 "0b_"
8WHITESPACE 1 "\n"
9INT_NUMBER 3 "0o_"
10WHITESPACE 1 "\n"
11INT_NUMBER 3 "0x_"
12WHITESPACE 2 "\n\n"
13INT_NUMBER 9 "0bnoDigit"
14WHITESPACE 1 "\n"
15INT_NUMBER 9 "0onoDigit"
16WHITESPACE 1 "\n"
17INT_NUMBER 9 "0xnoDigit"
18WHITESPACE 2 "\n\n"
19INT_NUMBER 3 "0xG"
20WHITESPACE 1 "\n"
21INT_NUMBER 3 "0xg"
22WHITESPACE 2 "\n\n"
23INT_NUMBER 4 "0x_g"
24WHITESPACE 1 "\n"
25INT_NUMBER 4 "0x_G"
26WHITESPACE 1 "\n"
27> error[0; 2) token("0b") msg(Missing digits after the integer base prefix)
28> error[3; 5) token("0o") msg(Missing digits after the integer base prefix)
29> error[6; 8) token("0x") msg(Missing digits after the integer base prefix)
30> error[10; 13) token("0b_") msg(Missing digits after the integer base prefix)
31> error[14; 17) token("0o_") msg(Missing digits after the integer base prefix)
32> error[18; 21) token("0x_") msg(Missing digits after the integer base prefix)
33> error[23; 32) token("0bnoDigit") msg(Missing digits after the integer base prefix)
34> error[33; 42) token("0onoDigit") msg(Missing digits after the integer base prefix)
35> error[43; 52) token("0xnoDigit") msg(Missing digits after the integer base prefix)
36> error[54; 57) token("0xG") msg(Missing digits after the integer base prefix)
37> error[58; 61) token("0xg") msg(Missing digits after the integer base prefix)
38> error[63; 67) token("0x_g") msg(Missing digits after the integer base prefix)
39> error[68; 72) token("0x_G") msg(Missing digits after the integer base prefix)
diff --git a/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs
new file mode 100644
index 000000000..286584c88
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.rs
@@ -0,0 +1,22 @@
10e
20E
3
442e+
542e-
642E+
742E-
8
942.e+
1042.e-
1142.E+
1242.E-
13
1442.2e+
1542.2e-
1642.2E+
1742.2E-
18
1942.2e+f32
2042.2e-f32
2142.2E+f32
2242.2E-f32
diff --git a/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt
new file mode 100644
index 000000000..ab35e20a5
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0056_empty_exponent.txt
@@ -0,0 +1,62 @@
1FLOAT_NUMBER 2 "0e"
2WHITESPACE 1 "\n"
3FLOAT_NUMBER 2 "0E"
4WHITESPACE 2 "\n\n"
5FLOAT_NUMBER 4 "42e+"
6WHITESPACE 1 "\n"
7FLOAT_NUMBER 4 "42e-"
8WHITESPACE 1 "\n"
9FLOAT_NUMBER 4 "42E+"
10WHITESPACE 1 "\n"
11FLOAT_NUMBER 4 "42E-"
12WHITESPACE 2 "\n\n"
13INT_NUMBER 2 "42"
14DOT 1 "."
15IDENT 1 "e"
16PLUS 1 "+"
17WHITESPACE 1 "\n"
18INT_NUMBER 2 "42"
19DOT 1 "."
20IDENT 1 "e"
21MINUS 1 "-"
22WHITESPACE 1 "\n"
23INT_NUMBER 2 "42"
24DOT 1 "."
25IDENT 1 "E"
26PLUS 1 "+"
27WHITESPACE 1 "\n"
28INT_NUMBER 2 "42"
29DOT 1 "."
30IDENT 1 "E"
31MINUS 1 "-"
32WHITESPACE 2 "\n\n"
33FLOAT_NUMBER 6 "42.2e+"
34WHITESPACE 1 "\n"
35FLOAT_NUMBER 6 "42.2e-"
36WHITESPACE 1 "\n"
37FLOAT_NUMBER 6 "42.2E+"
38WHITESPACE 1 "\n"
39FLOAT_NUMBER 6 "42.2E-"
40WHITESPACE 2 "\n\n"
41FLOAT_NUMBER 9 "42.2e+f32"
42WHITESPACE 1 "\n"
43FLOAT_NUMBER 9 "42.2e-f32"
44WHITESPACE 1 "\n"
45FLOAT_NUMBER 9 "42.2E+f32"
46WHITESPACE 1 "\n"
47FLOAT_NUMBER 9 "42.2E-f32"
48WHITESPACE 1 "\n"
49> error[0; 2) token("0e") msg(Missing digits after the exponent symbol)
50> error[3; 5) token("0E") msg(Missing digits after the exponent symbol)
51> error[7; 11) token("42e+") msg(Missing digits after the exponent symbol)
52> error[12; 16) token("42e-") msg(Missing digits after the exponent symbol)
53> error[17; 21) token("42E+") msg(Missing digits after the exponent symbol)
54> error[22; 26) token("42E-") msg(Missing digits after the exponent symbol)
55> error[53; 59) token("42.2e+") msg(Missing digits after the exponent symbol)
56> error[60; 66) token("42.2e-") msg(Missing digits after the exponent symbol)
57> error[67; 73) token("42.2E+") msg(Missing digits after the exponent symbol)
58> error[74; 80) token("42.2E-") msg(Missing digits after the exponent symbol)
59> error[82; 91) token("42.2e+f32") msg(Missing digits after the exponent symbol)
60> error[92; 101) token("42.2e-f32") msg(Missing digits after the exponent symbol)
61> error[102; 111) token("42.2E+f32") msg(Missing digits after the exponent symbol)
62> error[112; 121) token("42.2E-f32") msg(Missing digits after the exponent symbol)
diff --git a/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs
new file mode 100644
index 000000000..a7698a404
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.rs
@@ -0,0 +1,2 @@
1'1
2'1lifetime
diff --git a/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt
new file mode 100644
index 000000000..89b38bfac
--- /dev/null
+++ b/crates/ra_syntax/test_data/lexer/err/0057_lifetime_strarts_with_a_number.txt
@@ -0,0 +1,6 @@
1LIFETIME 2 "\'1"
2WHITESPACE 1 "\n"
3LIFETIME 10 "\'1lifetime"
4WHITESPACE 1 "\n"
5> error[0; 2) token("\'1") msg(Lifetime name cannot start with a number)
6> error[3; 13) token("\'1lifetime") msg(Lifetime name cannot start with a number)