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Add quotes around unexpected token SyntaxError

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Quotes have been added around the token to make the message clearer.

Bug: chromium:943636
Change-Id: Ic38f3e6d307157af2c0146e69fb611a2cfb46564
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593307
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62074}
This commit is contained in:
Oliver Dunk 2019-06-06 19:35:53 +00:00 committed by Commit Bot
parent d1b6d7221f
commit 563290194f
30 changed files with 77 additions and 76 deletions
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1
AUTHORS
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@ -139,6 +139,7 @@ Nicolas Antonius Ernst Leopold Maria Kaiser <nikai@nikai.net>
Niklas Hambüchen <mail@nh2.me>
Noj Vek <nojvek@gmail.com>
Oleksandr Chekhovskyi <oleksandr.chekhovskyi@gmail.com>
Oliver Dunk <oliver@oliverdunk.com>
Paolo Giarrusso <p.giarrusso@gmail.com>
Patrick Gansterer <paroga@paroga.com>
Peng Fei <pfgenyun@gmail.com>

2
src/execution/message-template.h
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@ -495,7 +495,7 @@ namespace internal {
T(UnexpectedSuper, "'super' keyword unexpected here") \
T(UnexpectedNewTarget, "new.target expression is not allowed here") \
T(UnexpectedTemplateString, "Unexpected template string") \
T(UnexpectedToken, "Unexpected token %") \
T(UnexpectedToken, "Unexpected token '%'") \
T(UnexpectedTokenUnaryExponentiation, \
"Unary operator used immediately before exponentiation expression. " \
"Parenthesis must be used to disambiguate operator precedence") \

2
test/cctest/test-liveedit.cc
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@ -505,7 +505,7 @@ TEST(LiveEditCompileError) {
CHECK_EQ(result.column_number, 51);
v8::String::Utf8Value result_message(env->GetIsolate(), result.message);
CHECK_NOT_NULL(
strstr(*result_message, "Uncaught SyntaxError: Unexpected token )"));
strstr(*result_message, "Uncaught SyntaxError: Unexpected token ')'"));
{
v8::Local<v8::String> result =

6
test/cctest/test-parsing.cc
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@ -4701,10 +4701,10 @@ TEST(ImportExpressionSuccess) {
// context.
// For example, a top level "import(" is parsed as an
// import declaration. The parser parses the import token correctly
// and then shows an "Unexpected token (" error message. The
// and then shows an "Unexpected token '('" error message. The
// preparser does not understand the import keyword (this test is
// run without kAllowHarmonyDynamicImport flag), so this results in
// an "Unexpected token import" error.
// an "Unexpected token 'import'" error.
RunParserSyncTest(context_data, data, kError);
RunModuleParserSyncTest(context_data, data, kError, nullptr, 0, nullptr, 0,
nullptr, 0, true, true);
@ -4772,7 +4772,7 @@ TEST(ImportExpressionErrors) {
// as an import declaration. The parser parses the import token
// correctly and then shows an "Unexpected end of input" error
// message because of the '{'. The preparser shows an "Unexpected
// token {" because it's not a valid token in a CallExpression.
// token '{'" because it's not a valid token in a CallExpression.
RunModuleParserSyncTest(context_data, data, kError, nullptr, 0, flags,
arraysize(flags), nullptr, 0, true, true);
}

4
test/inspector/debugger/evaluate-on-call-frame-return-values-expected.txt
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@ -308,7 +308,7 @@ ReleaseObjectGroup with invalid params
Running test: testEvaluateSyntaxError
{
className : SyntaxError
description : SyntaxError: Unexpected token ] at <anonymous>:1:1
description : SyntaxError: Unexpected token ']' at <anonymous>:1:1
objectId : <objectId>
subtype : error
type : object
@ -351,4 +351,4 @@ Running test: testNullExpression
message : Invalid parameters
}
id : <messageId>
}
}

4
test/inspector/runtime/call-function-on-async-expected.txt
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@ -43,7 +43,7 @@ Running test: testSyntaxErrorInFunction
columnNumber : 2
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
objectId : <objectId>
subtype : error
type : object
@ -55,7 +55,7 @@ Running test: testSyntaxErrorInFunction
}
result : {
className : SyntaxError
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
objectId : <objectId>
subtype : error
type : object

10
test/inspector/runtime/es6-module-expected.txt
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@ -206,21 +206,21 @@ console.log(239)
columnNumber : 0
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
objectId : <objectId>
preview : {
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
overflow : false
properties : [
[0] : {
name : stack
type : string
value : SyntaxError: Unexpected token }
value : SyntaxError: Unexpected token '}'
}
[1] : {
name : message
type : string
value : Unexpected token }
value : Unexpected token '}'
}
]
subtype : error
@ -233,7 +233,7 @@ console.log(239)
executionContextId : <executionContextId>
lineNumber : 0
scriptId : <scriptId>
text : Uncaught SyntaxError: Unexpected token }
text : Uncaught SyntaxError: Unexpected token '}'
url : module4
}
timestamp : <timestamp>

6
test/inspector/runtime/evaluate-async-expected.txt
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@ -89,7 +89,7 @@ Running test: testRejectedPromiseWithSyntaxError
columnNumber : 5
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token } at foo (<anonymous>:21:5) at throwSyntaxError (<anonymous>:23:3)
description : SyntaxError: Unexpected token '}' at foo (<anonymous>:21:5) at throwSyntaxError (<anonymous>:23:3)
objectId : <objectId>
subtype : error
type : object
@ -115,11 +115,11 @@ Running test: testRejectedPromiseWithSyntaxError
}
]
}
text : Uncaught (in promise) SyntaxError: Unexpected token }
text : Uncaught (in promise) SyntaxError: Unexpected token '}'
}
result : {
className : SyntaxError
description : SyntaxError: Unexpected token } at foo (<anonymous>:21:5) at throwSyntaxError (<anonymous>:23:3)
description : SyntaxError: Unexpected token '}' at foo (<anonymous>:21:5) at throwSyntaxError (<anonymous>:23:3)
objectId : <objectId>
subtype : error
type : object

10
test/inspector/runtime/exception-thrown-expected.txt
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@ -50,21 +50,21 @@ Check that exceptionThrown is supported by test runner.
columnNumber : 1
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
objectId : <objectId>
preview : {
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
overflow : false
properties : [
[0] : {
name : stack
type : string
value : SyntaxError: Unexpected token }
value : SyntaxError: Unexpected token '}'
}
[1] : {
name : message
type : string
value : Unexpected token }
value : Unexpected token '}'
}
]
subtype : error
@ -77,7 +77,7 @@ Check that exceptionThrown is supported by test runner.
executionContextId : <executionContextId>
lineNumber : 0
scriptId : <scriptId>
text : Uncaught SyntaxError: Unexpected token }
text : Uncaught SyntaxError: Unexpected token '}'
}
timestamp : <timestamp>
}

4
test/inspector/runtime/exceptionthrown-on-connect-expected.txt
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@ -7,7 +7,7 @@ Enabling Runtime Domain.
columnNumber : 12
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token ;
description : SyntaxError: Unexpected token ';'
objectId : <objectId>
subtype : error
type : object
@ -16,7 +16,7 @@ Enabling Runtime Domain.
executionContextId : <executionContextId>
lineNumber : 1
scriptId : <scriptId>
text : Uncaught SyntaxError: Unexpected token ;
text : Uncaught SyntaxError: Unexpected token ';'
url : syntaxError.js
}
timestamp : <timestamp>

6
test/inspector/runtime/run-script-async-expected.txt
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@ -24,7 +24,7 @@ Running test: testSyntaxErrorInScript
columnNumber : 1
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token }
description : SyntaxError: Unexpected token '}'
objectId : <objectId>
subtype : error
type : object
@ -45,7 +45,7 @@ Running test: testSyntaxErrorInEvalInScript
columnNumber : 0
exception : {
className : SyntaxError
description : SyntaxError: Unexpected token } at boo.js:2:2
description : SyntaxError: Unexpected token '}' at boo.js:2:2
objectId : <objectId>
subtype : error
type : object
@ -68,7 +68,7 @@ Running test: testSyntaxErrorInEvalInScript
}
result : {
className : SyntaxError
description : SyntaxError: Unexpected token } at boo.js:2:2
description : SyntaxError: Unexpected token '}' at boo.js:2:2
objectId : <objectId>
subtype : error
type : object

4
test/message/fail/arrow-bare-rest-param.out
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@ -1,4 +1,4 @@
*%(basename)s:7: SyntaxError: Unexpected token ...
*%(basename)s:7: SyntaxError: Unexpected token '...'
...x => 10
^^^
SyntaxError: Unexpected token ...
SyntaxError: Unexpected token '...'

4
test/message/fail/arrow-missing.out
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@ -1,4 +1,4 @@
*%(basename)s:7: SyntaxError: Unexpected token )
*%(basename)s:7: SyntaxError: Unexpected token ')'
function foo() { return(); }
^
SyntaxError: Unexpected token )
SyntaxError: Unexpected token ')'

4
test/message/fail/class-spread-property.out
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@ -1,4 +1,4 @@
*%(basename)s:5: SyntaxError: Unexpected token ...
*%(basename)s:5: SyntaxError: Unexpected token '...'
class C { ...[] }
^^^
SyntaxError: Unexpected token ...
SyntaxError: Unexpected token '...'

4
test/message/fail/formal-parameters-trailing-comma.out
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@ -1,4 +1,4 @@
*%(basename)s:5: SyntaxError: Unexpected token ,
*%(basename)s:5: SyntaxError: Unexpected token ','
function foo(b, a, a,,) { return a }
^
SyntaxError: Unexpected token ,
SyntaxError: Unexpected token ','

4
test/message/fail/invalid-spread.out
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@ -1,4 +1,4 @@
*%(basename)s:7: SyntaxError: Unexpected token ...
*%(basename)s:7: SyntaxError: Unexpected token '...'
(x, ...y)
^^^
SyntaxError: Unexpected token ...
SyntaxError: Unexpected token '...'

4
test/message/fail/modules-export-illformed-class.out
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@ -1,5 +1,5 @@
*%(basename)s:7: SyntaxError: Unexpected token ]
*%(basename)s:7: SyntaxError: Unexpected token ']'
export class foo {[]};
^
SyntaxError: Unexpected token ]
SyntaxError: Unexpected token ']'

4
test/message/regress/fail/regress-8409.out
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@ -1,4 +1,4 @@
*%(basename)s:5: SyntaxError: Unexpected token )
*%(basename)s:5: SyntaxError: Unexpected token ')'
[().x] = 1
^
SyntaxError: Unexpected token )
SyntaxError: Unexpected token ')'

2
test/mjsunit/regress/regress-797581.js
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@ -21,7 +21,7 @@ function TryToLoadModule(filename, expect_error, token) {
if (expect_error) {
assertTrue(caught_error instanceof SyntaxError);
assertEquals("Unexpected token " + token, caught_error.message);
assertEquals("Unexpected token '" + token + "'", caught_error.message);
} else {
assertEquals(undefined, caught_error);
}

6
test/webkit/class-syntax-declaration-expected.txt
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@ -16,10 +16,10 @@ PASS setterValue = undefined; (new A).someSetter = 789; setterValue is 789
PASS (new A).__proto__ is A.prototype
PASS A.prototype.constructor is A
PASS class threw exception SyntaxError: Unexpected end of input.
PASS class [ threw exception SyntaxError: Unexpected token [.
PASS class { threw exception SyntaxError: Unexpected token {.
PASS class [ threw exception SyntaxError: Unexpected token '['.
PASS class { threw exception SyntaxError: Unexpected token '{'.
PASS class X { threw exception SyntaxError: Unexpected end of input.
PASS class X { ( } threw exception SyntaxError: Unexpected token (.
PASS class X { ( } threw exception SyntaxError: Unexpected token '('.
PASS class X {} did not throw exception.
PASS class X { constructor() {} constructor() {} } threw exception SyntaxError: A class may only have one constructor.
PASS class X { get constructor() {} } threw exception SyntaxError: Class constructor may not be an accessor.

6
test/webkit/class-syntax-declaration.js
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@ -52,10 +52,10 @@ shouldBe("(new A).__proto__", "A.prototype");
shouldBe("A.prototype.constructor", "A");
shouldThrow("class", "'SyntaxError: Unexpected end of input'");
shouldThrow("class [", "'SyntaxError: Unexpected token ['");
shouldThrow("class {", "'SyntaxError: Unexpected token {'");
shouldThrow("class [", '"SyntaxError: Unexpected token \'[\'"');
shouldThrow("class {", '"SyntaxError: Unexpected token \'{\'"');
shouldThrow("class X {", "'SyntaxError: Unexpected end of input'");
shouldThrow("class X { ( }", "'SyntaxError: Unexpected token ('");
shouldThrow("class X { ( }", '"SyntaxError: Unexpected token \'(\'"');
shouldNotThrow("class X {}");
shouldThrow("class X { constructor() {} constructor() {} }", "'SyntaxError: A class may only have one constructor'");

2
test/webkit/class-syntax-expression-expected.txt
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@ -17,7 +17,7 @@ PASS (new A).__proto__ is A.prototype
PASS A.prototype.constructor is A
PASS x = class threw exception SyntaxError: Unexpected end of input.
PASS x = class { threw exception SyntaxError: Unexpected end of input.
PASS x = class { ( } threw exception SyntaxError: Unexpected token (.
PASS x = class { ( } threw exception SyntaxError: Unexpected token '('.
PASS x = class {} did not throw exception.
PASS x = class { constructor() {} constructor() {} } threw exception SyntaxError: A class may only have one constructor.
PASS x = class { get constructor() {} } threw exception SyntaxError: Class constructor may not be an accessor.

2
test/webkit/class-syntax-expression.js
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@ -53,7 +53,7 @@ shouldBe("A.prototype.constructor", "A");
shouldThrow("x = class", "'SyntaxError: Unexpected end of input'");
shouldThrow("x = class {", "'SyntaxError: Unexpected end of input'");
shouldThrow("x = class { ( }", "'SyntaxError: Unexpected token ('");
shouldThrow("x = class { ( }", '"SyntaxError: Unexpected token \'(\'"');
shouldNotThrow("x = class {}");
shouldThrow("x = class { constructor() {} constructor() {} }", "'SyntaxError: A class may only have one constructor'");

6
test/webkit/class-syntax-extends-expected.txt
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@ -30,8 +30,8 @@ PASS x = class extends baseWithBadPrototype { constructor() { } } threw exceptio
PASS baseWithBadPrototype.prototype = "abc" did not throw exception.
PASS x = class extends baseWithBadPrototype { constructor() { } } threw exception TypeError: Class extends value does not have valid prototype property abc.
PASS baseWithBadPrototype.prototype = null; x = class extends baseWithBadPrototype { constructor() { } } did not throw exception.
PASS x = 1; c = class extends ++x { constructor() { } }; threw exception SyntaxError: Unexpected token ++.
PASS x = 1; c = class extends x++ { constructor() { } }; threw exception SyntaxError: Unexpected token ++.
PASS x = 1; c = class extends ++x { constructor() { } }; threw exception SyntaxError: Unexpected token '++'.
PASS x = 1; c = class extends x++ { constructor() { } }; threw exception SyntaxError: Unexpected token '++'.
PASS x = 1; c = class extends (++x) { constructor() { } }; threw exception TypeError: Class extends value 2 is not a constructor or null.
PASS x = 1; c = class extends (x++) { constructor() { } }; threw exception TypeError: Class extends value 1 is not a constructor or null.
PASS x = 1; try { c = class extends (++x) { constructor() { } } } catch (e) { }; x is 2
@ -45,7 +45,7 @@ PASS namespace = {}; namespace.A = class { constructor() { } }; namespace.B = cl
PASS namespace = {}; namespace.A = class { constructor() { } }; function getClassA() { return namespace.A }; namespace.B = class extends getClassA() { constructor() { } } did not throw exception.
PASS namespace = {}; namespace.A = class { constructor() { } }; function getClass(prop) { return namespace[prop] }; namespace.B = class extends getClass("A") { constructor() { } } did not throw exception.
PASS namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends (false||null||namespace.A) { constructor() { } } did not throw exception.
PASS namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends false||null||namespace.A { constructor() { } } threw exception SyntaxError: Unexpected token ||.
PASS namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends false||null||namespace.A { constructor() { } } threw exception SyntaxError: Unexpected token '||'.
PASS x = 1; namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends (x++, namespace.A) { constructor() { } }; did not throw exception.
PASS x = 1; namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends (namespace.A, x++) { constructor() { } }; threw exception TypeError: Class extends value 1 is not a constructor or null.
PASS namespace = {}; namespace.A = class { constructor() { } }; namespace.B = class extends new namespace.A { constructor() { } } threw exception TypeError: Class extends value [object Object] is not a constructor or null.

8
test/webkit/class-syntax-name-expected.txt
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@ -6,10 +6,10 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
Class statement
PASS A threw exception ReferenceError: A is not defined.
PASS 'use strict'; A threw exception ReferenceError: A is not defined.
PASS class {} threw exception SyntaxError: Unexpected token {.
PASS 'use strict'; class {} threw exception SyntaxError: Unexpected token {.
PASS class { constructor() {} } threw exception SyntaxError: Unexpected token {.
PASS 'use strict'; class { constructor() {} } threw exception SyntaxError: Unexpected token {.
PASS class {} threw exception SyntaxError: Unexpected token '{'.
PASS 'use strict'; class {} threw exception SyntaxError: Unexpected token '{'.
PASS class { constructor() {} } threw exception SyntaxError: Unexpected token '{'.
PASS 'use strict'; class { constructor() {} } threw exception SyntaxError: Unexpected token '{'.
PASS class A { constructor() {} } did not throw exception.
PASS 'use strict'; class A { constructor() {} } did not throw exception.
PASS class A { constructor() {} }; A.toString() is 'class A { constructor() {} }'

10
test/webkit/class-syntax-semicolon-expected.txt
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@ -3,11 +3,11 @@ Tests for ES6 class syntax containing semicolon in the class body
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS class A { foo() ; { } } threw exception SyntaxError: Unexpected token ;.
PASS class A { get foo;() { } } threw exception SyntaxError: Unexpected token ;.
PASS class A { get foo() ; { } } threw exception SyntaxError: Unexpected token ;.
PASS class A { set foo;(x) { } } threw exception SyntaxError: Unexpected token ;.
PASS class A { set foo(x) ; { } } threw exception SyntaxError: Unexpected token ;.
PASS class A { foo() ; { } } threw exception SyntaxError: Unexpected token ';'.
PASS class A { get foo;() { } } threw exception SyntaxError: Unexpected token ';'.
PASS class A { get foo() ; { } } threw exception SyntaxError: Unexpected token ';'.
PASS class A { set foo;(x) { } } threw exception SyntaxError: Unexpected token ';'.
PASS class A { set foo(x) ; { } } threw exception SyntaxError: Unexpected token ';'.
PASS class A { ; } did not throw exception.
PASS class A { foo() { } ; } did not throw exception.
PASS class A { get foo() { } ; } did not throw exception.

10
test/webkit/class-syntax-semicolon.js
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@ -23,11 +23,11 @@
description('Tests for ES6 class syntax containing semicolon in the class body');
shouldThrow("class A { foo() ; { } }", "'SyntaxError: Unexpected token ;'");
shouldThrow("class A { get foo;() { } }", "'SyntaxError: Unexpected token ;'");
shouldThrow("class A { get foo() ; { } }", "'SyntaxError: Unexpected token ;'");
shouldThrow("class A { set foo;(x) { } }", "'SyntaxError: Unexpected token ;'");
shouldThrow("class A { set foo(x) ; { } }", "'SyntaxError: Unexpected token ;'");
shouldThrow("class A { foo() ; { } }", '"SyntaxError: Unexpected token \';\'"');
shouldThrow("class A { get foo;() { } }", '"SyntaxError: Unexpected token \';\'"');
shouldThrow("class A { get foo() ; { } }", '"SyntaxError: Unexpected token \';\'"');
shouldThrow("class A { set foo;(x) { } }", '"SyntaxError: Unexpected token \';\'"');
shouldThrow("class A { set foo(x) ; { } }", '"SyntaxError: Unexpected token \';\'"');
shouldNotThrow("class A { ; }");
shouldNotThrow("class A { foo() { } ; }");

4
test/webkit/fast/js/function-constructor-error-expected.txt
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@ -26,8 +26,8 @@ This test checks that the Function constructor detects some syntax errors correc
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
FAIL Function('(i + (j)') should throw SyntaxError: Expected token ')'. Threw exception SyntaxError: Unexpected token }.
FAIL Function('return (i + (j)') should throw SyntaxError: Expected token ')'. Threw exception SyntaxError: Unexpected token }.
FAIL Function('(i + (j)') should throw SyntaxError: Expected token ')'. Threw exception SyntaxError: Unexpected token '}'.
FAIL Function('return (i + (j)') should throw SyntaxError: Expected token ')'. Threw exception SyntaxError: Unexpected token '}'.
PASS successfullyParsed is true
TEST COMPLETE

4
test/webkit/fast/js/object-extra-comma-expected.txt
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@ -29,8 +29,8 @@ On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
PASS var foo = { 'bar' : 'YES' }; foo.bar is 'YES'
PASS var foo = { 'bar' : 'YES', }; foo.bar is 'YES'
PASS var foo = { 'bar' : 'YES' , }; foo.bar is 'YES'
PASS var foo = { , 'bar' : 'YES' }; foo.bar threw exception SyntaxError: Unexpected token ,.
PASS var foo = { 'bar' : 'YES',, }; foo.bar threw exception SyntaxError: Unexpected token ,.
PASS var foo = { , 'bar' : 'YES' }; foo.bar threw exception SyntaxError: Unexpected token ','.
PASS var foo = { 'bar' : 'YES',, }; foo.bar threw exception SyntaxError: Unexpected token ','.
PASS successfullyParsed is true
TEST COMPLETE

10
test/webkit/function-toString-object-literals-expected.txt
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@ -42,11 +42,11 @@ PASS compileAndSerialize('a = { "\'": null }') is 'a = { "\'": null }'
PASS compileAndSerialize('a = { "\\"": null }') is 'a = { "\\"": null }'
PASS compileAndSerialize('a = { get x() { } }') is 'a = { get x() { } }'
PASS compileAndSerialize('a = { set x(y) { } }') is 'a = { set x(y) { } }'
PASS compileAndSerialize('a = { --1: null }') threw exception SyntaxError: Unexpected token --.
PASS compileAndSerialize('a = { -NaN: null }') threw exception SyntaxError: Unexpected token -.
PASS compileAndSerialize('a = { -0: null }') threw exception SyntaxError: Unexpected token -.
PASS compileAndSerialize('a = { -0.0: null }') threw exception SyntaxError: Unexpected token -.
PASS compileAndSerialize('a = { -Infinity: null }') threw exception SyntaxError: Unexpected token -.
PASS compileAndSerialize('a = { --1: null }') threw exception SyntaxError: Unexpected token '--'.
PASS compileAndSerialize('a = { -NaN: null }') threw exception SyntaxError: Unexpected token '-'.
PASS compileAndSerialize('a = { -0: null }') threw exception SyntaxError: Unexpected token '-'.
PASS compileAndSerialize('a = { -0.0: null }') threw exception SyntaxError: Unexpected token '-'.
PASS compileAndSerialize('a = { -Infinity: null }') threw exception SyntaxError: Unexpected token '-'.
PASS successfullyParsed is true
TEST COMPLETE