test(typescript-estree): add tests for instantiation expressions

typescript-eslint · May 9, 2022 · f8d2bfc · f8d2bfc
1 parent 9fe1629
commit f8d2bfc
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Showing 5 changed files with 4,676 additions and 0 deletions.
diff --git a/packages/shared-fixtures/fixtures/typescript/expressions/instantiation-expression.src.ts b/packages/shared-fixtures/fixtures/typescript/expressions/instantiation-expression.src.ts
@@ -0,0 +1,7 @@
+a<b>;
+
+(a<b>)<c>;
+(a<b>)<c>();
+(a<b>)<c>?.();
+(a?.b<c>)<d>();
+new (a<b>)<c>();
diff --git a/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts b/packages/typescript-estree/tests/ast-alignment/fixtures-to-test.ts
@@ -451,6 +451,13 @@ tester.addFixturePatternConfig('typescript/decorators/property-decorators', {
 
 tester.addFixturePatternConfig('typescript/expressions', {
   fileType: 'ts',
+  ignore: [
+    /**
+     * [BABEL ERRORED, BUT TS-ESTREE DID NOT]
+     * Babel doesn't support TS 4.7 new features yet.
+     */
+    'instantiation-expression',
+  ],
 });
 
 tester.addFixturePatternConfig('typescript/errorRecovery', {

diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.test.ts.snap
@@ -2640,6 +2640,8 @@ TSError {
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/call-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/instantiation-expression.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/new-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/optional-call-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;