@@ -1164,6 +1164,56 @@ describe("ESLint", () => {
11641164 } ) ;
11651165 } ) ;
11661166
1167+ describe ( "Overlapping searches" , ( ) => {
1168+ it ( "should not lint the same file multiple times when the file path was passed multiple times" , async ( ) => {
1169+ const cwd = getFixturePath ( ) ;
1170+
1171+ eslint = new ESLint ( {
1172+ cwd,
1173+ overrideConfigFile : true
1174+ } ) ;
1175+
1176+ const results = await eslint . lintFiles ( [ "files/foo.js" , "files/../files/foo.js" , "files/foo.js" ] ) ;
1177+
1178+ assert . strictEqual ( results . length , 1 ) ;
1179+ assert . strictEqual ( results [ 0 ] . filePath , path . resolve ( cwd , "files/foo.js" ) ) ;
1180+ assert . strictEqual ( results [ 0 ] . messages . length , 0 ) ;
1181+ assert . strictEqual ( results [ 0 ] . suppressedMessages . length , 0 ) ;
1182+ } ) ;
1183+
1184+ it ( "should not lint the same file multiple times when the file path and a pattern that matches the file were passed" , async ( ) => {
1185+ const cwd = getFixturePath ( ) ;
1186+
1187+ eslint = new ESLint ( {
1188+ cwd,
1189+ overrideConfigFile : true
1190+ } ) ;
1191+
1192+ const results = await eslint . lintFiles ( [ "files/foo.js" , "files/foo*" ] ) ;
1193+
1194+ assert . strictEqual ( results . length , 1 ) ;
1195+ assert . strictEqual ( results [ 0 ] . filePath , path . resolve ( cwd , "files/foo.js" ) ) ;
1196+ assert . strictEqual ( results [ 0 ] . messages . length , 0 ) ;
1197+ assert . strictEqual ( results [ 0 ] . sup
BE45
pressedMessages . length , 0 ) ;
1198+ } ) ;
1199+
1200+ it ( "should not lint the same file multiple times when multiple patterns that match the file were passed" , async ( ) => {
1201+ const cwd = getFixturePath ( ) ;
1202+
1203+ eslint = new ESLint ( {
1204+ cwd,
1205+ overrideConfigFile : true
1206+ } ) ;
1207+
1208+ const results = await eslint . lintFiles ( [ "files/f*.js" , "files/foo*" ] ) ;
1209+
1210+ assert . strictEqual ( results . length , 1 ) ;
1211+ assert . strictEqual ( results [ 0 ] . filePath , path . resolve ( cwd , "files/foo.js" ) ) ;
1212+ assert . strictEqual ( results [ 0 ] . messages . length , 0 ) ;
1213+ assert . strictEqual ( results [ 0 ] . suppressedMessages . length , 0 ) ;
1214+ } ) ;
1215+ } ) ;
1216+
11671217 describe ( "Invalid inputs" , ( ) => {
11681218
11691219 [
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