feat(tasks/coverage): shows parse errors and mismatch information for the formatter

tasks/coverage/snapshots/formatter_babel.snap

@@ -2,10 +2,16 @@ commit: 41d96516
 
 formatter_babel Summary:
 AST Parsed     : 2423/2423 (100.00%)
-Positive Passed: 2420/2423 (99.88%)
-Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/comments/basic/try-statement/input.js
+Positive Passed: 2417/2423 (99.75%)
+Mismatch: tasks/coverage/babel/packages/babel-parser/test/fixtures/comments/basic/try-statement/input.js
 
-Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/comments/regression/13750/input.js
+Mismatch: tasks/coverage/babel/packages/babel-parser/test/fixtures/comments/regression/13750/input.js
 
-Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/es2015/class/division/input.js
+Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/core/sourcetype-commonjs/top-level-return/input.js
+A 'return' statement can only be used within a function body.
+Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/core/sourcetype-commonjs/top-level-return-asi/input.js
+A 'return' statement can only be used within a function body.
+Mismatch: tasks/coverage/babel/packages/babel-parser/test/fixtures/es2015/class/division/input.js
 
+Expect to Parse: tasks/coverage/babel/packages/babel-parser/test/fixtures/es2022/top-level-await-unambiguous/module/input.js
+`await` is only allowed within async functions and at the top levels of modules

tasks/coverage/snapshots/formatter_misc.snap

@@ -1,9 +1,11 @@
 formatter_misc Summary:
 AST Parsed     : 49/49 (100.00%)
-Positive Passed: 46/49 (93.88%)
-Expect to Parse: tasks/coverage/misc/pass/oxc-12612.ts
+Positive Passed: 45/49 (91.84%)
+Expect to Parse: tasks/coverage/misc/pass/oxc-11487.cjs
+Cannot use `await` as an identifier in an async context
+Mismatch: tasks/coverage/misc/pass/oxc-12612.ts
 
-Expect to Parse: tasks/coverage/misc/pass/oxc-2592.ts
+Mismatch: tasks/coverage/misc/pass/oxc-2592.ts
 
 Expect to Parse: tasks/coverage/misc/pass/oxc-4449.ts
-
+Computed property names are not allowed in enums.

tasks/coverage/snapshots/formatter_test262.snap

@@ -2,10 +2,12 @@ commit: baa48a41
 
 formatter_test262 Summary:
 AST Parsed     : 44517/44517 (100.00%)
-Positive Passed: 44514/44517 (99.99%)
-Expect to Parse: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js
+Positive Passed: 44513/44517 (99.99%)
+Mismatch: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-CR-LF.js
 
-Expect to Parse: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js
+Mismatch: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-CR.js
 
-Expect to Parse: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js
+Mismatch: tasks/coverage/test262/test/built-ins/Function/prototype/toString/line-terminator-normalisation-LF.js
 
+Expect to Parse: tasks/coverage/test262/test/language/expressions/in/private-field-rhs-yield-present.js
+Cannot use `yield` as an identifier in a generator context

tasks/coverage/snapshots/formatter_typescript.snap

@@ -2,120 +2,126 @@ commit: 261630d6
 
 formatter_typescript Summary:
 AST Parsed     : 8816/8816 (100.00%)
-Positive Passed: 8758/8816 (99.34%)
+Positive Passed: 8755/8816 (99.31%)
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/APISample_jsdoc.ts
+Expected `]` but found `:`
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/amdLikeInputDeclarationEmit.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/amdLikeInputDeclarationEmit.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/callOfConditionalTypeWithConcreteBranches.ts
+Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/arrayFromAsync.ts
+`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules`await` is only allowed within async functions and at the top levels of modules
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/callOfConditionalTypeWithConcreteBranches.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/castExpressionParentheses.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/castFunctionExpressionShouldBeParenthesized.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/coAndContraVariantInferences3.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/coAndContraVariantInferences3.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/complexNarrowingWithAny.ts
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/complexNarrowingWithAny.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/declarationEmitCastReusesTypeNode4.ts
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/declarationEmitCastReusesTypeNode4.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/declarationEmitPartialReuseComputedProperty.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/declarationEmitPromise.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/declarationEmitRecursiveConditionalAliasPreserved.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/declarationEmitRecursiveConditionalAliasPreserved.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/declarationEmitShadowingInferNotRenamed.ts
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/declarationEmitShadowingInferNotRenamed.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/exportDefaultParenthesizeES6.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceGlobalReexport.tsx
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceGlobalReexport.tsx
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceGlobalReexportMissingAliasTarget.tsx
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceGlobalReexportMissingAliasTarget.tsx
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceImplicitImportJSXNamespace.tsx
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/jsxNamespaceImplicitImportJSXNamespace.tsx
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/keyRemappingKeyofResult.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/narrowingByTypeofInSwitch.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/propertyAccessExpressionInnerComments.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/propertyAccessExpressionInnerComments.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/readonlyAssignmentInSubclassOfClassExpression.ts
-
+Expected `{` but found `as`
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/reducibleIndexedAccessTypes.ts
-
+Expected `]` but found `:`
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/reverseMappedTypeInferenceSameSource1.ts
+An implementation cannot be declared in ambient contexts.
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/sourceMapValidationClasses.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/sourceMapValidationClasses.ts
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/styledComponentsInstantiaionLimitNotReached.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/styledComponentsInstantiaionLimitNotReached.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/substitutionTypeForIndexedAccessType2.ts
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/substitutionTypeForIndexedAccessType2.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/superAccessCastedCall.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/tryStatementInternalComments.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/tryStatementInternalComments.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/typeName1.ts
+Expected `]` but found `:`
+Mismatch: tasks/coverage/typescript/tests/cases/compiler/unionSignaturesWithThisParameter.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/compiler/unionSignaturesWithThisParameter.ts
-
+Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/classes/propertyMemberDeclarations/overrideInterfaceProperty.ts
+'readonly' type modifier is only permitted on array and tuple literal types.
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/classes/propertyMemberDeclarations/staticAutoAccessorsWithDecorators.ts
-
+Unexpected token
+Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/classes/propertyMemberDeclarations/staticPropertyNameConflicts.ts
+Classes may not have a static property named prototypeClasses may not have a static property named prototypeClasses may not have a static property named prototypeClasses may not have a static property named prototypeClasses may not have a static property named prototypeClasses may not have a static property named prototype
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/controlFlow/controlFlowAssignmentPatternOrder.ts
-
+An implementation cannot be declared in ambient contexts.
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/decorators/class/decoratorChecksFunctionBodies.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/decorators/legacyDecorators-contextualTypes.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/es6/yieldExpressions/generatorTypeCheck59.ts
-
+Cannot use `yield` as an identifier in a generator context
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/es6/yieldExpressions/generatorTypeCheck61.ts
-
+Cannot use `yield` as an identifier in a generator contextUnexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/classDeclaration/classSuper/esDecorators-classDeclaration-classSuper.2.ts
-
+Expected `{` but found `as`
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/classExpression/classSuper/esDecorators-classExpression-classSuper.2.ts
-
+Expected `{` but found `as`
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/classExpression/esDecorators-classExpression-missingEmitHelpers-classDecorator.3.ts
-
+Decorators are not valid here.Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/classExpression/namedEvaluation/esDecorators-classExpression-namedEvaluation.8.ts
-
+Decorators are not valid here.Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/esDecorators-contextualTypes.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/esDecorators/esDecorators-decoratorExpression.2.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/expressions/asOperator/asOpEmitParens.ts
-
+Expected a semicolon or an implicit semicolon after a statement, but found none
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/expressions/elementAccess/letIdentifierInElementAccess01.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/expressions/optionalChaining/optionalChainingInTypeAssertions.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/typeGuards/typeGuardsInRightOperandOfAndAndOperator.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/expressions/typeGuards/typeGuardsInRightOperandOfAndAndOperator.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/expressions/typeGuards/typeGuardsInRightOperandOfOrOrOperator.ts
+Mismatch: tasks/coverage/typescript/tests/cases/conformance/expressions/typeGuards/typeGuardsInRightOperandOfOrOrOperator.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/externalModules/topLevelAwait.1.ts
-
+Cannot use `await` as an identifier in an async contextUnexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/generators/yieldStatementNoAsiAfterTransform.ts
+Expected a semicolon or an implicit semicolon after a statement, but found none
+Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithPrivates2.ts
 
-Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithPrivates2.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts
+Mismatch: tasks/coverage/typescript/tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/pedantic/noUncheckedIndexedAccess.ts
-
+Expected `]` but found `:`
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/statements/returnStatements/returnStatementNoAsiAfterTransform.ts
-
+Expected `,` but found `(`
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/mapped/mappedTypeModifiers.ts
-
+Expected `]` but found `:`
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/objectTypeLiteral/propertySignatures/propertyNamesOfReservedWords.ts
-
+'static' modifier cannot appear on a type member.'static' modifier cannot appear on a type member.
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/rest/genericObjectRest.ts
-
-Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/tuple/named/namedTupleMembers.ts
+Unexpected token
+Mismatch: tasks/coverage/typescript/tests/cases/conformance/types/tuple/named/namedTupleMembers.ts
 
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/uniqueSymbol/uniqueSymbols.ts
-
+Unexpected token
 Expect to Parse: tasks/coverage/typescript/tests/cases/conformance/types/uniqueSymbol/uniqueSymbolsDeclarations.ts
-
+Unexpected token

tasks/coverage/src/tools/formatter.rs

@@ -26,14 +26,22 @@ fn get_result(source_text: &str, source_type: SourceType) -> TestResult {
     let source_text1 = Formatter::new(&allocator, options.clone()).build(&program);
 
     let allocator = Allocator::default();
-    let ParserReturn { program, .. } =
+    let ParserReturn { program, errors, .. } =
         Parser::new(&allocator, &source_text1, source_type).with_options(parse_options).parse();
+
+    if !errors.is_empty() {
+        return TestResult::ParseError(
+            errors.iter().map(std::string::ToString::to_string).collect(),
+            false,
+        );
+    }
+
     let source_text2 = Formatter::new(&allocator, options).build(&program);
 
     if source_text1 == source_text2 {
         TestResult::Passed
     } else {
-        TestResult::ParseError(String::new(), false)
+        TestResult::Mismatch("Mismatch", source_text1, source_text2)
     }
 }