From e847a1b7a6b53d5663aae7396ea0f65485f1283e Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 9 Aug 2018 12:47:34 +0300
Subject: hihglihgitng tests

---
 libeditor/tests/test.rs | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 libeditor/tests/test.rs

(limited to 'libeditor/tests')

diff --git a/libeditor/tests/test.rs b/libeditor/tests/test.rs
new file mode 100644
index 000000000..e1c8aee4b
--- /dev/null
+++ b/libeditor/tests/test.rs
@@ -0,0 +1,47 @@
+extern crate libeditor;
+extern crate itertools;
+
+use std::fmt;
+use itertools::Itertools;
+use libeditor::{File, TextRange};
+
+#[test]
+fn test_extend_selection() {
+    let file = file(r#"fn foo() {
+    1 + 1
+}
+"#);
+    let range = TextRange::offset_len(18.into(), 0.into());
+    let range = file.extend_selection(range).unwrap();
+    assert_eq!(range, TextRange::from_to(17.into(), 18.into()));
+    let range = file.extend_selection(range).unwrap();
+    assert_eq!(range, TextRange::from_to(15.into(), 20.into()));
+}
+
+#[test]
+fn test_highlighting() {
+    let file = file(r#"
+// comment
+fn main() {}
+    println!("Hello, {}!", 92);
+"#);
+    let hls = file.highlight();
+    dbg_eq(
+        &hls,
+        r#"[HighlightedRange { range: [1; 11), tag: "comment" },
+            HighlightedRange { range: [12; 14), tag: "keyword" },
+            HighlightedRange { range: [15; 19), tag: "function" },
+            HighlightedRange { range: [29; 36), tag: "text" },
+            HighlightedRange { range: [38; 50), tag: "string" },
+            HighlightedRange { range: [52; 54), tag: "literal" }]"#
+    );
+}
+
+fn file(text: &str) -> File {
+    File::new(text)
+}
+
+fn dbg_eq(actual: &impl fmt::Debug, expected: &str) {
+    let expected = expected.lines().map(|l| l.trim()).join(" ");
+    assert_eq!(actual, expected);
+}
-- 
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