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-rw-r--r--crates/ra_hir_ty/src/_match.rs772
1 files changed, 385 insertions, 387 deletions
diff --git a/crates/ra_hir_ty/src/_match.rs b/crates/ra_hir_ty/src/_match.rs
index 42004282c..02a7a61f1 100644
--- a/crates/ra_hir_ty/src/_match.rs
+++ b/crates/ra_hir_ty/src/_match.rs
@@ -842,194 +842,193 @@ mod tests {
842 842
843 pub(super) use crate::{diagnostics::MissingMatchArms, test_db::TestDB}; 843 pub(super) use crate::{diagnostics::MissingMatchArms, test_db::TestDB};
844 844
845 pub(super) fn check_diagnostic_message(content: &str) -> String { 845 pub(super) fn check_diagnostic_message(ra_fixture: &str) -> String {
846 TestDB::with_single_file(content).0.diagnostic::<MissingMatchArms>().0 846 TestDB::with_single_file(ra_fixture).0.diagnostic::<MissingMatchArms>().0
847 } 847 }
848 848
849 pub(super) fn check_diagnostic(content: &str) { 849 pub(super) fn check_diagnostic(ra_fixture: &str) {
850 let diagnostic_count = 850 let diagnostic_count =
851 TestDB::with_single_file(content).0.diagnostic::<MissingMatchArms>().1; 851 TestDB::with_single_file(ra_fixture).0.diagnostic::<MissingMatchArms>().1;
852 852
853 assert_eq!(1, diagnostic_count, "no diagnostic reported"); 853 assert_eq!(1, diagnostic_count, "no diagnostic reported");
854 } 854 }
855 855
856 pub(super) fn check_no_diagnostic(content: &str) { 856 pub(super) fn check_no_diagnostic(ra_fixture: &str) {
857 let diagnostic_count = 857 let diagnostic_count =
858 TestDB::with_single_file(content).0.diagnostic::<MissingMatchArms>().1; 858 TestDB::with_single_file(ra_fixture).0.diagnostic::<MissingMatchArms>().1;
859 859
860 assert_eq!(0, diagnostic_count, "expected no diagnostic, found one"); 860 assert_eq!(0, diagnostic_count, "expected no diagnostic, found one");
861 } 861 }
862 862
863 #[test] 863 #[test]
864 fn empty_tuple_no_arms_diagnostic_message() { 864 fn empty_tuple_no_arms_diagnostic_message() {
865 let content = r"
866 fn test_fn() {
867 match () {
868 }
869 }
870 ";
871
872 assert_snapshot!( 865 assert_snapshot!(
873 check_diagnostic_message(content), 866 check_diagnostic_message(r"
867 fn test_fn() {
868 match () {
869 }
870 }
871 "),
874 @"\"()\": Missing match arm\n" 872 @"\"()\": Missing match arm\n"
875 ); 873 );
876 } 874 }
877 875
878 #[test] 876 #[test]
879 fn empty_tuple_no_arms() { 877 fn empty_tuple_no_arms() {
880 let content = r" 878 check_diagnostic(
879 r"
881 fn test_fn() { 880 fn test_fn() {
882 match () { 881 match () {
883 } 882 }
884 } 883 }
885 "; 884 ",
886 885 );
887 check_diagnostic(content);
888 } 886 }
889 887
890 #[test] 888 #[test]
891 fn empty_tuple_wild() { 889 fn empty_tuple_wild() {
892 let content = r" 890 check_no_diagnostic(
891 r"
893 fn test_fn() { 892 fn test_fn() {
894 match () { 893 match () {
895 _ => {} 894 _ => {}
896 } 895 }
897 } 896 }
898 "; 897 ",
899 898 );
900 check_no_diagnostic(content);
901 } 899 }
902 900
903 #[test] 901 #[test]
904 fn empty_tuple_no_diagnostic() { 902 fn empty_tuple_no_diagnostic() {
905 let content = r" 903 check_no_diagnostic(
904 r"
906 fn test_fn() { 905 fn test_fn() {
907 match () { 906 match () {
908 () => {} 907 () => {}
909 } 908 }
910 } 909 }
911 "; 910 ",
912 911 );
913 check_no_diagnostic(content);
914 } 912 }
915 913
916 #[test] 914 #[test]
917 fn tuple_of_empty_tuple_no_arms() { 915 fn tuple_of_empty_tuple_no_arms() {
918 let content = r" 916 check_diagnostic(
917 r"
919 fn test_fn() { 918 fn test_fn() {
920 match (()) { 919 match (()) {
921 } 920 }
922 } 921 }
923 "; 922 ",
924 923 );
925 check_diagnostic(content);
926 } 924 }
927 925
928 #[test] 926 #[test]
929 fn tuple_of_empty_tuple_no_diagnostic() { 927 fn tuple_of_empty_tuple_no_diagnostic() {
930 let content = r" 928 check_no_diagnostic(
929 r"
931 fn test_fn() { 930 fn test_fn() {
932 match (()) { 931 match (()) {
933 (()) => {} 932 (()) => {}
934 } 933 }
935 } 934 }
936 "; 935 ",
937 936 );
938 check_no_diagnostic(content);
939 } 937 }
940 938
941 #[test] 939 #[test]
942 fn tuple_of_two_empty_tuple_no_arms() { 940 fn tuple_of_two_empty_tuple_no_arms() {
943 let content = r" 941 check_diagnostic(
942 r"
944 fn test_fn() { 943 fn test_fn() {
945 match ((), ()) { 944 match ((), ()) {
946 } 945 }
947 } 946 }
948 "; 947 ",
949 948 );
950 check_diagnostic(content);
951 } 949 }
952 950
953 #[test] 951 #[test]
954 fn tuple_of_two_empty_tuple_no_diagnostic() { 952 fn tuple_of_two_empty_tuple_no_diagnostic() {
955 let content = r" 953 check_no_diagnostic(
954 r"
956 fn test_fn() { 955 fn test_fn() {
957 match ((), ()) { 956 match ((), ()) {
958 ((), ()) => {} 957 ((), ()) => {}
959 } 958 }
960 } 959 }
961 "; 960 ",
962 961 );
963 check_no_diagnostic(content);
964 } 962 }
965 963
966 #[test] 964 #[test]
967 fn bool_no_arms() { 965 fn bool_no_arms() {
968 let content = r" 966 check_diagnostic(
967 r"
969 fn test_fn() { 968 fn test_fn() {
970 match false { 969 match false {
971 } 970 }
972 } 971 }
973 "; 972 ",
974 973 );
975 check_diagnostic(content);
976 } 974 }
977 975
978 #[test] 976 #[test]
979 fn bool_missing_arm() { 977 fn bool_missing_arm() {
980 let content = r" 978 check_diagnostic(
979 r"
981 fn test_fn() { 980 fn test_fn() {
982 match false { 981 match false {
983 true => {} 982 true => {}
984 } 983 }
985 } 984 }
986 "; 985 ",
987 986 );
988 check_diagnostic(content);
989 } 987 }
990 988
991 #[test] 989 #[test]
992 fn bool_no_diagnostic() { 990 fn bool_no_diagnostic() {
993 let content = r" 991 check_no_diagnostic(
992 r"
994 fn test_fn() { 993 fn test_fn() {
995 match false { 994 match false {
996 true => {} 995 true => {}
997 false => {} 996 false => {}
998 } 997 }
999 } 998 }
1000 "; 999 ",
1001 1000 );
1002 check_no_diagnostic(content);
1003 } 1001 }
1004 1002
1005 #[test] 1003 #[test]
1006 fn tuple_of_bools_no_arms() { 1004 fn tuple_of_bools_no_arms() {
1007 let content = r" 1005 check_diagnostic(
1006 r"
1008 fn test_fn() { 1007 fn test_fn() {
1009 match (false, true) { 1008 match (false, true) {
1010 } 1009 }
1011 } 1010 }
1012 "; 1011 ",
1013 1012 );
1014 check_diagnostic(content);
1015 } 1013 }
1016 1014
1017 #[test] 1015 #[test]
1018 fn tuple_of_bools_missing_arms() { 1016 fn tuple_of_bools_missing_arms() {
1019 let content = r" 1017 check_diagnostic(
1018 r"
1020 fn test_fn() { 1019 fn test_fn() {
1021 match (false, true) { 1020 match (false, true) {
1022 (true, true) => {}, 1021 (true, true) => {},
1023 } 1022 }
1024 } 1023 }
1025 "; 1024 ",
1026 1025 );
1027 check_diagnostic(content);
1028 } 1026 }
1029 1027
1030 #[test] 1028 #[test]
1031 fn tuple_of_bools_missing_arm() { 1029 fn tuple_of_bools_missing_arm() {
1032 let content = r" 1030 check_diagnostic(
1031 r"
1033 fn test_fn() { 1032 fn test_fn() {
1034 match (false, true) { 1033 match (false, true) {
1035 (false, true) => {}, 1034 (false, true) => {},
@@ -1037,14 +1036,14 @@ mod tests {
1037 (true, false) => {}, 1036 (true, false) => {},
1038 } 1037 }
1039 } 1038 }
1040 "; 1039 ",
1041 1040 );
1042 check_diagnostic(content);
1043 } 1041 }
1044 1042
1045 #[test] 1043 #[test]
1046 fn tuple_of_bools_with_wilds() { 1044 fn tuple_of_bools_with_wilds() {
1047 let content = r" 1045 check_no_diagnostic(
1046 r"
1048 fn test_fn() { 1047 fn test_fn() {
1049 match (false, true) { 1048 match (false, true) {
1050 (false, _) => {}, 1049 (false, _) => {},
@@ -1052,14 +1051,14 @@ mod tests {
1052 (_, true) => {}, 1051 (_, true) => {},
1053 } 1052 }
1054 } 1053 }
1055 "; 1054 ",
1056 1055 );
1057 check_no_diagnostic(content);
1058 } 1056 }
1059 1057
1060 #[test] 1058 #[test]
1061 fn tuple_of_bools_no_diagnostic() { 1059 fn tuple_of_bools_no_diagnostic() {
1062 let content = r" 1060 check_no_diagnostic(
1061 r"
1063 fn test_fn() { 1062 fn test_fn() {
1064 match (false, true) { 1063 match (false, true) {
1065 (true, true) => {}, 1064 (true, true) => {},
@@ -1068,27 +1067,27 @@ mod tests {
1068 (false, false) => {}, 1067 (false, false) => {},
1069 } 1068 }
1070 } 1069 }
1071 "; 1070 ",
1072 1071 );
1073 check_no_diagnostic(content);
1074 } 1072 }
1075 1073
1076 #[test] 1074 #[test]
1077 fn tuple_of_bools_binding_missing_arms() { 1075 fn tuple_of_bools_binding_missing_arms() {
1078 let content = r" 1076 check_diagnostic(
1077 r"
1079 fn test_fn() { 1078 fn test_fn() {
1080 match (false, true) { 1079 match (false, true) {
1081 (true, _x) => {}, 1080 (true, _x) => {},
1082 } 1081 }
1083 } 1082 }
1084 "; 1083 ",
1085 1084 );
1086 check_diagnostic(content);
1087 } 1085 }
1088 1086
1089 #[test] 1087 #[test]
1090 fn tuple_of_bools_binding_no_diagnostic() { 1088 fn tuple_of_bools_binding_no_diagnostic() {
1091 let content = r" 1089 check_no_diagnostic(
1090 r"
1092 fn test_fn() { 1091 fn test_fn() {
1093 match (false, true) { 1092 match (false, true) {
1094 (true, _x) => {}, 1093 (true, _x) => {},
@@ -1096,80 +1095,80 @@ mod tests {
1096 (false, false) => {}, 1095 (false, false) => {},
1097 } 1096 }
1098 } 1097 }
1099 "; 1098 ",
1100 1099 );
1101 check_no_diagnostic(content);
1102 } 1100 }
1103 1101
1104 #[test] 1102 #[test]
1105 fn tuple_of_bools_with_ellipsis_at_end_no_diagnostic() { 1103 fn tuple_of_bools_with_ellipsis_at_end_no_diagnostic() {
1106 let content = r" 1104 check_no_diagnostic(
1105 r"
1107 fn test_fn() { 1106 fn test_fn() {
1108 match (false, true, false) { 1107 match (false, true, false) {
1109 (false, ..) => {}, 1108 (false, ..) => {},
1110 (true, ..) => {}, 1109 (true, ..) => {},
1111 } 1110 }
1112 } 1111 }
1113 "; 1112 ",
1114 1113 );
1115 check_no_diagnostic(content);
1116 } 1114 }
1117 1115
1118 #[test] 1116 #[test]
1119 fn tuple_of_bools_with_ellipsis_at_beginning_no_diagnostic() { 1117 fn tuple_of_bools_with_ellipsis_at_beginning_no_diagnostic() {
1120 let content = r" 1118 check_no_diagnostic(
1119 r"
1121 fn test_fn() { 1120 fn test_fn() {
1122 match (false, true, false) { 1121 match (false, true, false) {
1123 (.., false) => {}, 1122 (.., false) => {},
1124 (.., true) => {}, 1123 (.., true) => {},
1125 } 1124 }
1126 } 1125 }
1127 "; 1126 ",
1128 1127 );
1129 check_no_diagnostic(content);
1130 } 1128 }
1131 1129
1132 #[test] 1130 #[test]
1133 fn tuple_of_bools_with_ellipsis_no_diagnostic() { 1131 fn tuple_of_bools_with_ellipsis_no_diagnostic() {
1134 let content = r" 1132 check_no_diagnostic(
1133 r"
1135 fn test_fn() { 1134 fn test_fn() {
1136 match (false, true, false) { 1135 match (false, true, false) {
1137 (..) => {}, 1136 (..) => {},
1138 } 1137 }
1139 } 1138 }
1140 "; 1139 ",
1141 1140 );
1142 check_no_diagnostic(content);
1143 } 1141 }
1144 1142
1145 #[test] 1143 #[test]
1146 fn tuple_of_tuple_and_bools_no_arms() { 1144 fn tuple_of_tuple_and_bools_no_arms() {
1147 let content = r" 1145 check_diagnostic(
1146 r"
1148 fn test_fn() { 1147 fn test_fn() {
1149 match (false, ((), false)) { 1148 match (false, ((), false)) {
1150 } 1149 }
1151 } 1150 }
1152 "; 1151 ",
1153 1152 );
1154 check_diagnostic(content);
1155 } 1153 }
1156 1154
1157 #[test] 1155 #[test]
1158 fn tuple_of_tuple_and_bools_missing_arms() { 1156 fn tuple_of_tuple_and_bools_missing_arms() {
1159 let content = r" 1157 check_diagnostic(
1158 r"
1160 fn test_fn() { 1159 fn test_fn() {
1161 match (false, ((), false)) { 1160 match (false, ((), false)) {
1162 (true, ((), true)) => {}, 1161 (true, ((), true)) => {},
1163 } 1162 }
1164 } 1163 }
1165 "; 1164 ",
1166 1165 );
1167 check_diagnostic(content);
1168 } 1166 }
1169 1167
1170 #[test] 1168 #[test]
1171 fn tuple_of_tuple_and_bools_no_diagnostic() { 1169 fn tuple_of_tuple_and_bools_no_diagnostic() {
1172 let content = r" 1170 check_no_diagnostic(
1171 r"
1173 fn test_fn() { 1172 fn test_fn() {
1174 match (false, ((), false)) { 1173 match (false, ((), false)) {
1175 (true, ((), true)) => {}, 1174 (true, ((), true)) => {},
@@ -1178,27 +1177,27 @@ mod tests {
1178 (false, ((), false)) => {}, 1177 (false, ((), false)) => {},
1179 } 1178 }
1180 } 1179 }
1181 "; 1180 ",
1182 1181 );
1183 check_no_diagnostic(content);
1184 } 1182 }
1185 1183
1186 #[test] 1184 #[test]
1187 fn tuple_of_tuple_and_bools_wildcard_missing_arms() { 1185 fn tuple_of_tuple_and_bools_wildcard_missing_arms() {
1188 let content = r" 1186 check_diagnostic(
1187 r"
1189 fn test_fn() { 1188 fn test_fn() {
1190 match (false, ((), false)) { 1189 match (false, ((), false)) {
1191 (true, _) => {}, 1190 (true, _) => {},
1192 } 1191 }
1193 } 1192 }
1194 "; 1193 ",
1195 1194 );
1196 check_diagnostic(content);
1197 } 1195 }
1198 1196
1199 #[test] 1197 #[test]
1200 fn tuple_of_tuple_and_bools_wildcard_no_diagnostic() { 1198 fn tuple_of_tuple_and_bools_wildcard_no_diagnostic() {
1201 let content = r" 1199 check_no_diagnostic(
1200 r"
1202 fn test_fn() { 1201 fn test_fn() {
1203 match (false, ((), false)) { 1202 match (false, ((), false)) {
1204 (true, ((), true)) => {}, 1203 (true, ((), true)) => {},
@@ -1206,14 +1205,14 @@ mod tests {
1206 (false, _) => {}, 1205 (false, _) => {},
1207 } 1206 }
1208 } 1207 }
1209 "; 1208 ",
1210 1209 );
1211 check_no_diagnostic(content);
1212 } 1210 }
1213 1211
1214 #[test] 1212 #[test]
1215 fn enum_no_arms() { 1213 fn enum_no_arms() {
1216 let content = r" 1214 check_diagnostic(
1215 r"
1217 enum Either { 1216 enum Either {
1218 A, 1217 A,
1219 B, 1218 B,
@@ -1222,14 +1221,14 @@ mod tests {
1222 match Either::A { 1221 match Either::A {
1223 } 1222 }
1224 } 1223 }
1225 "; 1224 ",
1226 1225 );
1227 check_diagnostic(content);
1228 } 1226 }
1229 1227
1230 #[test] 1228 #[test]
1231 fn enum_missing_arms() { 1229 fn enum_missing_arms() {
1232 let content = r" 1230 check_diagnostic(
1231 r"
1233 enum Either { 1232 enum Either {
1234 A, 1233 A,
1235 B, 1234 B,
@@ -1239,14 +1238,14 @@ mod tests {
1239 Either::A => {}, 1238 Either::A => {},
1240 } 1239 }
1241 } 1240 }
1242 "; 1241 ",
1243 1242 );
1244 check_diagnostic(content);
1245 } 1243 }
1246 1244
1247 #[test] 1245 #[test]
1248 fn enum_no_diagnostic() { 1246 fn enum_no_diagnostic() {
1249 let content = r" 1247 check_no_diagnostic(
1248 r"
1250 enum Either { 1249 enum Either {
1251 A, 1250 A,
1252 B, 1251 B,
@@ -1257,14 +1256,14 @@ mod tests {
1257 Either::B => {}, 1256 Either::B => {},
1258 } 1257 }
1259 } 1258 }
1260 "; 1259 ",
1261 1260 );
1262 check_no_diagnostic(content);
1263 } 1261 }
1264 1262
1265 #[test] 1263 #[test]
1266 fn enum_ref_missing_arms() { 1264 fn enum_ref_missing_arms() {
1267 let content = r" 1265 check_diagnostic(
1266 r"
1268 enum Either { 1267 enum Either {
1269 A, 1268 A,
1270 B, 1269 B,
@@ -1274,14 +1273,14 @@ mod tests {
1274 Either::A => {}, 1273 Either::A => {},
1275 } 1274 }
1276 } 1275 }
1277 "; 1276 ",
1278 1277 );
1279 check_diagnostic(content);
1280 } 1278 }
1281 1279
1282 #[test] 1280 #[test]
1283 fn enum_ref_no_diagnostic() { 1281 fn enum_ref_no_diagnostic() {
1284 let content = r" 1282 check_no_diagnostic(
1283 r"
1285 enum Either { 1284 enum Either {
1286 A, 1285 A,
1287 B, 1286 B,
@@ -1292,14 +1291,14 @@ mod tests {
1292 Either::B => {}, 1291 Either::B => {},
1293 } 1292 }
1294 } 1293 }
1295 "; 1294 ",
1296 1295 );
1297 check_no_diagnostic(content);
1298 } 1296 }
1299 1297
1300 #[test] 1298 #[test]
1301 fn enum_containing_bool_no_arms() { 1299 fn enum_containing_bool_no_arms() {
1302 let content = r" 1300 check_diagnostic(
1301 r"
1303 enum Either { 1302 enum Either {
1304 A(bool), 1303 A(bool),
1305 B, 1304 B,
@@ -1308,14 +1307,14 @@ mod tests {
1308 match Either::B { 1307 match Either::B {
1309 } 1308 }
1310 } 1309 }
1311 "; 1310 ",
1312 1311 );
1313 check_diagnostic(content);
1314 } 1312 }
1315 1313
1316 #[test] 1314 #[test]
1317 fn enum_containing_bool_missing_arms() { 1315 fn enum_containing_bool_missing_arms() {
1318 let content = r" 1316 check_diagnostic(
1317 r"
1319 enum Either { 1318 enum Either {
1320 A(bool), 1319 A(bool),
1321 B, 1320 B,
@@ -1326,14 +1325,14 @@ mod tests {
1326 Either::B => (), 1325 Either::B => (),
1327 } 1326 }
1328 } 1327 }
1329 "; 1328 ",
1330 1329 );
1331 check_diagnostic(content);
1332 } 1330 }
1333 1331
1334 #[test] 1332 #[test]
1335 fn enum_containing_bool_no_diagnostic() { 1333 fn enum_containing_bool_no_diagnostic() {
1336 let content = r" 1334 check_no_diagnostic(
1335 r"
1337 enum Either { 1336 enum Either {
1338 A(bool), 1337 A(bool),
1339 B, 1338 B,
@@ -1345,14 +1344,14 @@ mod tests {
1345 Either::B => (), 1344 Either::B => (),
1346 } 1345 }
1347 } 1346 }
1348 "; 1347 ",
1349 1348 );
1350 check_no_diagnostic(content);
1351 } 1349 }
1352 1350
1353 #[test] 1351 #[test]
1354 fn enum_containing_bool_with_wild_no_diagnostic() { 1352 fn enum_containing_bool_with_wild_no_diagnostic() {
1355 let content = r" 1353 check_no_diagnostic(
1354 r"
1356 enum Either { 1355 enum Either {
1357 A(bool), 1356 A(bool),
1358 B, 1357 B,
@@ -1363,14 +1362,14 @@ mod tests {
1363 _ => (), 1362 _ => (),
1364 } 1363 }
1365 } 1364 }
1366 "; 1365 ",
1367 1366 );
1368 check_no_diagnostic(content);
1369 } 1367 }
1370 1368
1371 #[test] 1369 #[test]
1372 fn enum_containing_bool_with_wild_2_no_diagnostic() { 1370 fn enum_containing_bool_with_wild_2_no_diagnostic() {
1373 let content = r" 1371 check_no_diagnostic(
1372 r"
1374 enum Either { 1373 enum Either {
1375 A(bool), 1374 A(bool),
1376 B, 1375 B,
@@ -1381,14 +1380,14 @@ mod tests {
1381 Either::B => (), 1380 Either::B => (),
1382 } 1381 }
1383 } 1382 }
1384 "; 1383 ",
1385 1384 );
1386 check_no_diagnostic(content);
1387 } 1385 }
1388 1386
1389 #[test] 1387 #[test]
1390 fn enum_different_sizes_missing_arms() { 1388 fn enum_different_sizes_missing_arms() {
1391 let content = r" 1389 check_diagnostic(
1390 r"
1392 enum Either { 1391 enum Either {
1393 A(bool), 1392 A(bool),
1394 B(bool, bool), 1393 B(bool, bool),
@@ -1399,14 +1398,14 @@ mod tests {
1399 Either::B(false, _) => (), 1398 Either::B(false, _) => (),
1400 } 1399 }
1401 } 1400 }
1402 "; 1401 ",
1403 1402 );
1404 check_diagnostic(content);
1405 } 1403 }
1406 1404
1407 #[test] 1405 #[test]
1408 fn enum_different_sizes_no_diagnostic() { 1406 fn enum_different_sizes_no_diagnostic() {
1409 let content = r" 1407 check_no_diagnostic(
1408 r"
1410 enum Either { 1409 enum Either {
1411 A(bool), 1410 A(bool),
1412 B(bool, bool), 1411 B(bool, bool),
@@ -1418,14 +1417,14 @@ mod tests {
1418 Either::B(false, _) => (), 1417 Either::B(false, _) => (),
1419 } 1418 }
1420 } 1419 }
1421 "; 1420 ",
1422 1421 );
1423 check_no_diagnostic(content);
1424 } 1422 }
1425 1423
1426 #[test] 1424 #[test]
1427 fn or_no_diagnostic() { 1425 fn or_no_diagnostic() {
1428 let content = r" 1426 check_no_diagnostic(
1427 r"
1429 enum Either { 1428 enum Either {
1430 A(bool), 1429 A(bool),
1431 B(bool, bool), 1430 B(bool, bool),
@@ -1437,14 +1436,14 @@ mod tests {
1437 Either::B(false, _) => (), 1436 Either::B(false, _) => (),
1438 } 1437 }
1439 } 1438 }
1440 "; 1439 ",
1441 1440 );
1442 check_no_diagnostic(content);
1443 } 1441 }
1444 1442
1445 #[test] 1443 #[test]
1446 fn tuple_of_enum_no_diagnostic() { 1444 fn tuple_of_enum_no_diagnostic() {
1447 let content = r" 1445 check_no_diagnostic(
1446 r"
1448 enum Either { 1447 enum Either {
1449 A(bool), 1448 A(bool),
1450 B(bool, bool), 1449 B(bool, bool),
@@ -1461,14 +1460,16 @@ mod tests {
1461 (Either::B(_, _), Either2::D) => (), 1460 (Either::B(_, _), Either2::D) => (),
1462 } 1461 }
1463 } 1462 }
1464 "; 1463 ",
1465 1464 );
1466 check_no_diagnostic(content);
1467 } 1465 }
1468 1466
1469 #[test] 1467 #[test]
1470 fn mismatched_types() { 1468 fn mismatched_types() {
1471 let content = r" 1469 // Match statements with arms that don't match the
1470 // expression pattern do not fire this diagnostic.
1471 check_no_diagnostic(
1472 r"
1472 enum Either { 1473 enum Either {
1473 A, 1474 A,
1474 B, 1475 B,
@@ -1483,47 +1484,47 @@ mod tests {
1483 Either2::D => (), 1484 Either2::D => (),
1484 } 1485 }
1485 } 1486 }
1486 "; 1487 ",
1487 1488 );
1488 // Match statements with arms that don't match the
1489 // expression pattern do not fire this diagnostic.
1490 check_no_diagnostic(content);
1491 } 1489 }
1492 1490
1493 #[test] 1491 #[test]
1494 fn mismatched_types_with_different_arity() { 1492 fn mismatched_types_with_different_arity() {
1495 let content = r" 1493 // Match statements with arms that don't match the
1494 // expression pattern do not fire this diagnostic.
1495 check_no_diagnostic(
1496 r"
1496 fn test_fn() { 1497 fn test_fn() {
1497 match (true, false) { 1498 match (true, false) {
1498 (true, false, true) => (), 1499 (true, false, true) => (),
1499 (true) => (), 1500 (true) => (),
1500 } 1501 }
1501 } 1502 }
1502 "; 1503 ",
1503 1504 );
1504 // Match statements with arms that don't match the
1505 // expression pattern do not fire this diagnostic.
1506 check_no_diagnostic(content);
1507 } 1505 }
1508 1506
1509 #[test] 1507 #[test]
1510 fn malformed_match_arm_tuple_missing_pattern() { 1508 fn malformed_match_arm_tuple_missing_pattern() {
1511 let content = r" 1509 // Match statements with arms that don't match the
1510 // expression pattern do not fire this diagnostic.
1511 check_no_diagnostic(
1512 r"
1512 fn test_fn() { 1513 fn test_fn() {
1513 match (0) { 1514 match (0) {
1514 () => (), 1515 () => (),
1515 } 1516 }
1516 } 1517 }
1517 "; 1518 ",
1518 1519 );
1519 // Match statements with arms that don't match the
1520 // expression pattern do not fire this diagnostic.
1521 check_no_diagnostic(content);
1522 } 1520 }
1523 1521
1524 #[test] 1522 #[test]
1525 fn malformed_match_arm_tuple_enum_missing_pattern() { 1523 fn malformed_match_arm_tuple_enum_missing_pattern() {
1526 let content = r" 1524 // We are testing to be sure we don't panic here when the match
1525 // arm `Either::B` is missing its pattern.
1526 check_no_diagnostic(
1527 r"
1527 enum Either { 1528 enum Either {
1528 A, 1529 A,
1529 B(u32), 1530 B(u32),
@@ -1534,32 +1535,30 @@ mod tests {
1534 Either::B() => (), 1535 Either::B() => (),
1535 } 1536 }
1536 } 1537 }
1537 "; 1538 ",
1538 1539 );
1539 // We are testing to be sure we don't panic here when the match
1540 // arm `Either::B` is missing its pattern.
1541 check_no_diagnostic(content);
1542 } 1540 }
1543 1541
1544 #[test] 1542 #[test]
1545 fn enum_not_in_scope() { 1543 fn enum_not_in_scope() {
1546 let content = r" 1544 // The enum is not in scope so we don't perform exhaustiveness
1545 // checking, but we want to be sure we don't panic here (and
1546 // we don't create a diagnostic).
1547 check_no_diagnostic(
1548 r"
1547 fn test_fn() { 1549 fn test_fn() {
1548 match Foo::Bar { 1550 match Foo::Bar {
1549 Foo::Baz => (), 1551 Foo::Baz => (),
1550 } 1552 }
1551 } 1553 }
1552 "; 1554 ",
1553 1555 );
1554 // The enum is not in scope so we don't perform exhaustiveness
1555 // checking, but we want to be sure we don't panic here (and
1556 // we don't create a diagnostic).
1557 check_no_diagnostic(content);
1558 } 1556 }
1559 1557
1560 #[test] 1558 #[test]
1561 fn expr_diverges() { 1559 fn expr_diverges() {
1562 let content = r" 1560 check_no_diagnostic(
1561 r"
1563 enum Either { 1562 enum Either {
1564 A, 1563 A,
1565 B, 1564 B,
@@ -1570,14 +1569,14 @@ mod tests {
1570 Either::B => (), 1569 Either::B => (),
1571 } 1570 }
1572 } 1571 }
1573 "; 1572 ",
1574 1573 );
1575 check_no_diagnostic(content);
1576 } 1574 }
1577 1575
1578 #[test] 1576 #[test]
1579 fn expr_loop_with_break() { 1577 fn expr_loop_with_break() {
1580 let content = r" 1578 check_no_diagnostic(
1579 r"
1581 enum Either { 1580 enum Either {
1582 A, 1581 A,
1583 B, 1582 B,
@@ -1588,14 +1587,14 @@ mod tests {
1588 Either::B => (), 1587 Either::B => (),
1589 } 1588 }
1590 } 1589 }
1591 "; 1590 ",
1592 1591 );
1593 check_no_diagnostic(content);
1594 } 1592 }
1595 1593
1596 #[test] 1594 #[test]
1597 fn expr_partially_diverges() { 1595 fn expr_partially_diverges() {
1598 let content = r" 1596 check_no_diagnostic(
1597 r"
1599 enum Either<T> { 1598 enum Either<T> {
1600 A(T), 1599 A(T),
1601 B, 1600 B,
@@ -1609,14 +1608,14 @@ mod tests {
1609 Either::B => 0, 1608 Either::B => 0,
1610 } 1609 }
1611 } 1610 }
1612 "; 1611 ",
1613 1612 );
1614 check_no_diagnostic(content);
1615 } 1613 }
1616 1614
1617 #[test] 1615 #[test]
1618 fn enum_record_no_arms() { 1616 fn enum_record_no_arms() {
1619 let content = r" 1617 check_diagnostic(
1618 r"
1620 enum Either { 1619 enum Either {
1621 A { foo: bool }, 1620 A { foo: bool },
1622 B, 1621 B,
@@ -1626,14 +1625,14 @@ mod tests {
1626 match a { 1625 match a {
1627 } 1626 }
1628 } 1627 }
1629 "; 1628 ",
1630 1629 );
1631 check_diagnostic(content);
1632 } 1630 }
1633 1631
1634 #[test] 1632 #[test]
1635 fn enum_record_missing_arms() { 1633 fn enum_record_missing_arms() {
1636 let content = r" 1634 check_diagnostic(
1635 r"
1637 enum Either { 1636 enum Either {
1638 A { foo: bool }, 1637 A { foo: bool },
1639 B, 1638 B,
@@ -1644,14 +1643,14 @@ mod tests {
1644 Either::A { foo: true } => (), 1643 Either::A { foo: true } => (),
1645 } 1644 }
1646 } 1645 }
1647 "; 1646 ",
1648 1647 );
1649 check_diagnostic(content);
1650 } 1648 }
1651 1649
1652 #[test] 1650 #[test]
1653 fn enum_record_no_diagnostic() { 1651 fn enum_record_no_diagnostic() {
1654 let content = r" 1652 check_no_diagnostic(
1653 r"
1655 enum Either { 1654 enum Either {
1656 A { foo: bool }, 1655 A { foo: bool },
1657 B, 1656 B,
@@ -1664,14 +1663,17 @@ mod tests {
1664 Either::B => (), 1663 Either::B => (),
1665 } 1664 }
1666 } 1665 }
1667 "; 1666 ",
1668 1667 );
1669 check_no_diagnostic(content);
1670 } 1668 }
1671 1669
1672 #[test] 1670 #[test]
1673 fn enum_record_missing_field_no_diagnostic() { 1671 fn enum_record_missing_field_no_diagnostic() {
1674 let content = r" 1672 // When `Either::A` is missing a struct member, we don't want
1673 // to fire the missing match arm diagnostic. This should fire
1674 // some other diagnostic.
1675 check_no_diagnostic(
1676 r"
1675 enum Either { 1677 enum Either {
1676 A { foo: bool }, 1678 A { foo: bool },
1677 B, 1679 B,
@@ -1683,17 +1685,16 @@ mod tests {
1683 Either::B => (), 1685 Either::B => (),
1684 } 1686 }
1685 } 1687 }
1686 "; 1688 ",
1687 1689 );
1688 // When `Either::A` is missing a struct member, we don't want
1689 // to fire the missing match arm diagnostic. This should fire
1690 // some other diagnostic.
1691 check_no_diagnostic(content);
1692 } 1690 }
1693 1691
1694 #[test] 1692 #[test]
1695 fn enum_record_missing_field_missing_match_arm() { 1693 fn enum_record_missing_field_missing_match_arm() {
1696 let content = r" 1694 // Even though `Either::A` is missing fields, we still want to fire
1695 // the missing arm diagnostic here, since we know `Either::B` is missing.
1696 check_diagnostic(
1697 r"
1697 enum Either { 1698 enum Either {
1698 A { foo: bool }, 1699 A { foo: bool },
1699 B, 1700 B,
@@ -1704,16 +1705,14 @@ mod tests {
1704 Either::A { } => (), 1705 Either::A { } => (),
1705 } 1706 }
1706 } 1707 }
1707 "; 1708 ",
1708 1709 );
1709 // Even though `Either::A` is missing fields, we still want to fire
1710 // the missing arm diagnostic here, since we know `Either::B` is missing.
1711 check_diagnostic(content);
1712 } 1710 }
1713 1711
1714 #[test] 1712 #[test]
1715 fn enum_record_no_diagnostic_wild() { 1713 fn enum_record_no_diagnostic_wild() {
1716 let content = r" 1714 check_no_diagnostic(
1715 r"
1717 enum Either { 1716 enum Either {
1718 A { foo: bool }, 1717 A { foo: bool },
1719 B, 1718 B,
@@ -1725,14 +1724,14 @@ mod tests {
1725 Either::B => (), 1724 Either::B => (),
1726 } 1725 }
1727 } 1726 }
1728 "; 1727 ",
1729 1728 );
1730 check_no_diagnostic(content);
1731 } 1729 }
1732 1730
1733 #[test] 1731 #[test]
1734 fn enum_record_fields_out_of_order_missing_arm() { 1732 fn enum_record_fields_out_of_order_missing_arm() {
1735 let content = r" 1733 check_diagnostic(
1734 r"
1736 enum Either { 1735 enum Either {
1737 A { foo: bool, bar: () }, 1736 A { foo: bool, bar: () },
1738 B, 1737 B,
@@ -1744,14 +1743,14 @@ mod tests {
1744 Either::A { foo: true, bar: () } => (), 1743 Either::A { foo: true, bar: () } => (),
1745 } 1744 }
1746 } 1745 }
1747 "; 1746 ",
1748 1747 );
1749 check_diagnostic(content);
1750 } 1748 }
1751 1749
1752 #[test] 1750 #[test]
1753 fn enum_record_fields_out_of_order_no_diagnostic() { 1751 fn enum_record_fields_out_of_order_no_diagnostic() {
1754 let content = r" 1752 check_no_diagnostic(
1753 r"
1755 enum Either { 1754 enum Either {
1756 A { foo: bool, bar: () }, 1755 A { foo: bool, bar: () },
1757 B, 1756 B,
@@ -1764,89 +1763,89 @@ mod tests {
1764 Either::B => (), 1763 Either::B => (),
1765 } 1764 }
1766 } 1765 }
1767 "; 1766 ",
1768 1767 );
1769 check_no_diagnostic(content);
1770 } 1768 }
1771 1769
1772 #[test] 1770 #[test]
1773 fn enum_record_ellipsis_missing_arm() { 1771 fn enum_record_ellipsis_missing_arm() {
1774 let content = r" 1772 check_diagnostic(
1775 enum Either { 1773 r"
1776 A { foo: bool, bar: bool }, 1774 enum Either {
1777 B, 1775 A { foo: bool, bar: bool },
1778 } 1776 B,
1779 fn test_fn() { 1777 }
1780 match Either::B { 1778 fn test_fn() {
1781 Either::A { foo: true, .. } => (), 1779 match Either::B {
1782 Either::B => (), 1780 Either::A { foo: true, .. } => (),
1783 } 1781 Either::B => (),
1784 } 1782 }
1785 "; 1783 }
1786 1784 ",
1787 check_diagnostic(content); 1785 );
1788 } 1786 }
1789 1787
1790 #[test] 1788 #[test]
1791 fn enum_record_ellipsis_no_diagnostic() { 1789 fn enum_record_ellipsis_no_diagnostic() {
1792 let content = r" 1790 check_no_diagnostic(
1793 enum Either { 1791 r"
1794 A { foo: bool, bar: bool }, 1792 enum Either {
1795 B, 1793 A { foo: bool, bar: bool },
1796 } 1794 B,
1797 fn test_fn() { 1795 }
1798 let a = Either::A { foo: true }; 1796 fn test_fn() {
1799 match a { 1797 let a = Either::A { foo: true };
1800 Either::A { foo: true, .. } => (), 1798 match a {
1801 Either::A { foo: false, .. } => (), 1799 Either::A { foo: true, .. } => (),
1802 Either::B => (), 1800 Either::A { foo: false, .. } => (),
1803 } 1801 Either::B => (),
1804 } 1802 }
1805 "; 1803 }
1806 1804 ",
1807 check_no_diagnostic(content); 1805 );
1808 } 1806 }
1809 1807
1810 #[test] 1808 #[test]
1811 fn enum_record_ellipsis_all_fields_missing_arm() { 1809 fn enum_record_ellipsis_all_fields_missing_arm() {
1812 let content = r" 1810 check_diagnostic(
1813 enum Either { 1811 r"
1814 A { foo: bool, bar: bool }, 1812 enum Either {
1815 B, 1813 A { foo: bool, bar: bool },
1816 } 1814 B,
1817 fn test_fn() { 1815 }
1818 let a = Either::B; 1816 fn test_fn() {
1819 match a { 1817 let a = Either::B;
1820 Either::A { .. } => (), 1818 match a {
1821 } 1819 Either::A { .. } => (),
1822 } 1820 }
1823 "; 1821 }
1824 1822 ",
1825 check_diagnostic(content); 1823 );
1826 } 1824 }
1827 1825
1828 #[test] 1826 #[test]
1829 fn enum_record_ellipsis_all_fields_no_diagnostic() { 1827 fn enum_record_ellipsis_all_fields_no_diagnostic() {
1830 let content = r" 1828 check_no_diagnostic(
1831 enum Either { 1829 r"
1832 A { foo: bool, bar: bool }, 1830 enum Either {
1833 B, 1831 A { foo: bool, bar: bool },
1834 } 1832 B,
1835 fn test_fn() { 1833 }
1836 let a = Either::B; 1834 fn test_fn() {
1837 match a { 1835 let a = Either::B;
1838 Either::A { .. } => (), 1836 match a {
1839 Either::B => (), 1837 Either::A { .. } => (),
1840 } 1838 Either::B => (),
1841 } 1839 }
1842 "; 1840 }
1843 1841 ",
1844 check_no_diagnostic(content); 1842 );
1845 } 1843 }
1846 1844
1847 #[test] 1845 #[test]
1848 fn enum_tuple_partial_ellipsis_no_diagnostic() { 1846 fn enum_tuple_partial_ellipsis_no_diagnostic() {
1849 let content = r" 1847 check_no_diagnostic(
1848 r"
1850 enum Either { 1849 enum Either {
1851 A(bool, bool, bool, bool), 1850 A(bool, bool, bool, bool),
1852 B, 1851 B,
@@ -1860,14 +1859,14 @@ mod tests {
1860 Either::B => {}, 1859 Either::B => {},
1861 } 1860 }
1862 } 1861 }
1863 "; 1862 ",
1864 1863 );
1865 check_no_diagnostic(content);
1866 } 1864 }
1867 1865
1868 #[test] 1866 #[test]
1869 fn enum_tuple_partial_ellipsis_2_no_diagnostic() { 1867 fn enum_tuple_partial_ellipsis_2_no_diagnostic() {
1870 let content = r" 1868 check_no_diagnostic(
1869 r"
1871 enum Either { 1870 enum Either {
1872 A(bool, bool, bool, bool), 1871 A(bool, bool, bool, bool),
1873 B, 1872 B,
@@ -1881,14 +1880,14 @@ mod tests {
1881 Either::B => {}, 1880 Either::B => {},
1882 } 1881 }
1883 } 1882 }
1884 "; 1883 ",
1885 1884 );
1886 check_no_diagnostic(content);
1887 } 1885 }
1888 1886
1889 #[test] 1887 #[test]
1890 fn enum_tuple_partial_ellipsis_missing_arm() { 1888 fn enum_tuple_partial_ellipsis_missing_arm() {
1891 let content = r" 1889 check_diagnostic(
1890 r"
1892 enum Either { 1891 enum Either {
1893 A(bool, bool, bool, bool), 1892 A(bool, bool, bool, bool),
1894 B, 1893 B,
@@ -1901,14 +1900,14 @@ mod tests {
1901 Either::B => {}, 1900 Either::B => {},
1902 } 1901 }
1903 } 1902 }
1904 "; 1903 ",
1905 1904 );
1906 check_diagnostic(content);
1907 } 1905 }
1908 1906
1909 #[test] 1907 #[test]
1910 fn enum_tuple_partial_ellipsis_2_missing_arm() { 1908 fn enum_tuple_partial_ellipsis_2_missing_arm() {
1911 let content = r" 1909 check_diagnostic(
1910 r"
1912 enum Either { 1911 enum Either {
1913 A(bool, bool, bool, bool), 1912 A(bool, bool, bool, bool),
1914 B, 1913 B,
@@ -1921,14 +1920,14 @@ mod tests {
1921 Either::B => {}, 1920 Either::B => {},
1922 } 1921 }
1923 } 1922 }
1924 "; 1923 ",
1925 1924 );
1926 check_diagnostic(content);
1927 } 1925 }
1928 1926
1929 #[test] 1927 #[test]
1930 fn enum_tuple_ellipsis_no_diagnostic() { 1928 fn enum_tuple_ellipsis_no_diagnostic() {
1931 let content = r" 1929 check_no_diagnostic(
1930 r"
1932 enum Either { 1931 enum Either {
1933 A(bool, bool, bool, bool), 1932 A(bool, bool, bool, bool),
1934 B, 1933 B,
@@ -1939,51 +1938,51 @@ mod tests {
1939 Either::B => {}, 1938 Either::B => {},
1940 } 1939 }
1941 } 1940 }
1942 "; 1941 ",
1943 1942 );
1944 check_no_diagnostic(content);
1945 } 1943 }
1946 1944
1947 #[test] 1945 #[test]
1948 fn enum_never() { 1946 fn enum_never() {
1949 let content = r" 1947 check_no_diagnostic(
1948 r"
1950 enum Never {} 1949 enum Never {}
1951 1950
1952 fn test_fn(never: Never) { 1951 fn test_fn(never: Never) {
1953 match never {} 1952 match never {}
1954 } 1953 }
1955 "; 1954 ",
1956 1955 );
1957 check_no_diagnostic(content);
1958 } 1956 }
1959 1957
1960 #[test] 1958 #[test]
1961 fn type_never() { 1959 fn type_never() {
1962 let content = r" 1960 check_no_diagnostic(
1961 r"
1963 fn test_fn(never: !) { 1962 fn test_fn(never: !) {
1964 match never {} 1963 match never {}
1965 } 1964 }
1966 "; 1965 ",
1967 1966 );
1968 check_no_diagnostic(content);
1969 } 1967 }
1970 1968
1971 #[test] 1969 #[test]
1972 fn enum_never_ref() { 1970 fn enum_never_ref() {
1973 let content = r" 1971 check_no_diagnostic(
1972 r"
1974 enum Never {} 1973 enum Never {}
1975 1974
1976 fn test_fn(never: &Never) { 1975 fn test_fn(never: &Never) {
1977 match never {} 1976 match never {}
1978 } 1977 }
1979 "; 1978 ",
1980 1979 );
1981 check_no_diagnostic(content);
1982 } 1980 }
1983 1981
1984 #[test] 1982 #[test]
1985 fn expr_diverges_missing_arm() { 1983 fn expr_diverges_missing_arm() {
1986 let content = r" 1984 check_no_diagnostic(
1985 r"
1987 enum Either { 1986 enum Either {
1988 A, 1987 A,
1989 B, 1988 B,
@@ -1993,14 +1992,14 @@ mod tests {
1993 Either::A => (), 1992 Either::A => (),
1994 } 1993 }
1995 } 1994 }
1996 "; 1995 ",
1997 1996 );
1998 check_no_diagnostic(content);
1999 } 1997 }
2000 1998
2001 #[test] 1999 #[test]
2002 fn or_pattern_panic() { 2000 fn or_pattern_panic() {
2003 let content = r" 2001 check_no_diagnostic(
2002 r"
2004 pub enum Category { 2003 pub enum Category {
2005 Infinity, 2004 Infinity,
2006 Zero, 2005 Zero,
@@ -2012,9 +2011,8 @@ mod tests {
2012 (_, Category::Zero | Category::Infinity) => {} 2011 (_, Category::Zero | Category::Infinity) => {}
2013 } 2012 }
2014 } 2013 }
2015 "; 2014 ",
2016 2015 );
2017 check_no_diagnostic(content);
2018 } 2016 }
2019} 2017}
2020 2018
@@ -2034,23 +2032,26 @@ mod false_negatives {
2034 2032
2035 #[test] 2033 #[test]
2036 fn integers() { 2034 fn integers() {
2037 let content = r" 2035 // This is a false negative.
2036 // We don't currently check integer exhaustiveness.
2037 check_no_diagnostic(
2038 r"
2038 fn test_fn() { 2039 fn test_fn() {
2039 match 5 { 2040 match 5 {
2040 10 => (), 2041 10 => (),
2041 11..20 => (), 2042 11..20 => (),
2042 } 2043 }
2043 } 2044 }
2044 "; 2045 ",
2045 2046 );
2046 // This is a false negative.
2047 // We don't currently check integer exhaustiveness.
2048 check_no_diagnostic(content);
2049 } 2047 }
2050 2048
2051 #[test] 2049 #[test]
2052 fn internal_or() { 2050 fn internal_or() {
2053 let content = r" 2051 // This is a false negative.
2052 // We do not currently handle patterns with internal `or`s.
2053 check_no_diagnostic(
2054 r"
2054 fn test_fn() { 2055 fn test_fn() {
2055 enum Either { 2056 enum Either {
2056 A(bool), 2057 A(bool),
@@ -2060,16 +2061,18 @@ mod false_negatives {
2060 Either::A(true | false) => (), 2061 Either::A(true | false) => (),
2061 } 2062 }
2062 } 2063 }
2063 "; 2064 ",
2064 2065 );
2065 // This is a false negative.
2066 // We do not currently handle patterns with internal `or`s.
2067 check_no_diagnostic(content);
2068 } 2066 }
2069 2067
2070 #[test] 2068 #[test]
2071 fn expr_loop_missing_arm() { 2069 fn expr_loop_missing_arm() {
2072 let content = r" 2070 // This is a false negative.
2071 // We currently infer the type of `loop { break Foo::A }` to `!`, which
2072 // causes us to skip the diagnostic since `Either::A` doesn't type check
2073 // with `!`.
2074 check_diagnostic(
2075 r"
2073 enum Either { 2076 enum Either {
2074 A, 2077 A,
2075 B, 2078 B,
@@ -2079,48 +2082,46 @@ mod false_negatives {
2079 Either::A => (), 2082 Either::A => (),
2080 } 2083 }
2081 } 2084 }
2082 "; 2085 ",
2083 2086 );
2084 // This is a false negative.
2085 // We currently infer the type of `loop { break Foo::A }` to `!`, which
2086 // causes us to skip the diagnostic since `Either::A` doesn't type check
2087 // with `!`.
2088 check_diagnostic(content);
2089 } 2087 }
2090 2088
2091 #[test] 2089 #[test]
2092 fn tuple_of_bools_with_ellipsis_at_end_missing_arm() { 2090 fn tuple_of_bools_with_ellipsis_at_end_missing_arm() {
2093 let content = r" 2091 // This is a false negative.
2092 // We don't currently handle tuple patterns with ellipsis.
2093 check_no_diagnostic(
2094 r"
2094 fn test_fn() { 2095 fn test_fn() {
2095 match (false, true, false) { 2096 match (false, true, false) {
2096 (false, ..) => {}, 2097 (false, ..) => {},
2097 } 2098 }
2098 } 2099 }
2099 "; 2100 ",
2100 2101 );
2101 // This is a false negative.
2102 // We don't currently handle tuple patterns with ellipsis.
2103 check_no_diagnostic(content);
2104 } 2102 }
2105 2103
2106 #[test] 2104 #[test]
2107 fn tuple_of_bools_with_ellipsis_at_beginning_missing_arm() { 2105 fn tuple_of_bools_with_ellipsis_at_beginning_missing_arm() {
2108 let content = r" 2106 // This is a false negative.
2107 // We don't currently handle tuple patterns with ellipsis.
2108 check_no_diagnostic(
2109 r"
2109 fn test_fn() { 2110 fn test_fn() {
2110 match (false, true, false) { 2111 match (false, true, false) {
2111 (.., false) => {}, 2112 (.., false) => {},
2112 } 2113 }
2113 } 2114 }
2114 "; 2115 ",
2115 2116 );
2116 // This is a false negative.
2117 // We don't currently handle tuple patterns with ellipsis.
2118 check_no_diagnostic(content);
2119 } 2117 }
2120 2118
2121 #[test] 2119 #[test]
2122 fn struct_missing_arm() { 2120 fn struct_missing_arm() {
2123 let content = r" 2121 // This is a false negative.
2122 // We don't currently handle structs.
2123 check_no_diagnostic(
2124 r"
2124 struct Foo { 2125 struct Foo {
2125 a: bool, 2126 a: bool,
2126 } 2127 }
@@ -2129,10 +2130,7 @@ mod false_negatives {
2129 Foo { a: true } => {}, 2130 Foo { a: true } => {},
2130 } 2131 }
2131 } 2132 }
2132 "; 2133 ",
2133 2134 );
2134 // This is a false negative.
2135 // We don't currently handle structs.
2136 check_no_diagnostic(content);
2137 } 2135 }
2138} 2136}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 03:02:35 +0000