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ec02b811a8
Pick up latest commit from the 5.4-lkgr branch. deps: edit V8 gitignore to allow trace event copy deps: update V8 trace event to 315bf1e2d45be7d53346c31cfcc37424a32c30c8 deps: edit V8 gitignore to allow gtest_prod.h copy deps: update V8 gtest to 6f8a66431cb592dad629028a50b3dd418a408c87 PR-URL: https://github.com/nodejs/node/pull/8317 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
58 lines
2.5 KiB
JavaScript
58 lines
2.5 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Test for conflicting variable bindings.
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function AssertEqualsStrictAndSloppy(value, code) {
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assertEquals(value, eval("(function() {" + code + "})()"));
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assertEquals(value, eval("(function() { 'use strict'; " + code + "})()"));
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assertEquals(value, eval("(function() { var x = 0; {" + code + "} })()"));
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assertEquals(value, eval("(function() { 'use strict'; var x = 0; {"
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+ code + "} })()"));
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}
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function AssertThrowsStrictAndSloppy(code, error) {
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assertThrows("(function() {" + code + "})()", error);
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assertThrows("(function() { 'use strict'; " + code + "})()", error);
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assertThrows("(function() { var x = 0; { " + code + "} })()", error);
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assertThrows("(function() { 'use strict'; var x = 0; {" + code + "} })()",
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error);
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}
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(function TestClassTDZ() {
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AssertEqualsStrictAndSloppy(
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"x", "function f() { return x; }; class x { }; return f().name;");
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AssertEqualsStrictAndSloppy
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("x", "class x { }; function f() { return x; }; return f().name;");
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AssertEqualsStrictAndSloppy(
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"x", "class x { }; var result = f().name; " +
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"function f() { return x; }; return result;");
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AssertThrowsStrictAndSloppy(
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"function f() { return x; }; f(); class x { };", ReferenceError);
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AssertThrowsStrictAndSloppy(
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"f(); function f() { return x; }; class x { };", ReferenceError);
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AssertThrowsStrictAndSloppy(
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"f(); class x { }; function f() { return x; };", ReferenceError);
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AssertThrowsStrictAndSloppy(
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"var x = 1; { f(); class x { }; function f() { return x; }; }",
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ReferenceError);
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AssertThrowsStrictAndSloppy("x = 3; class x { };", ReferenceError)
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})();
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(function TestClassNameConflict() {
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AssertThrowsStrictAndSloppy("class x { }; var x;", SyntaxError);
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AssertThrowsStrictAndSloppy("var x; class x { };", SyntaxError);
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AssertThrowsStrictAndSloppy("class x { }; function x() { };", SyntaxError);
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AssertThrowsStrictAndSloppy("function x() { }; class x { };", SyntaxError);
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AssertThrowsStrictAndSloppy("class x { }; for (var x = 0; false;) { };",
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SyntaxError);
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AssertThrowsStrictAndSloppy("for (var x = 0; false;) { }; class x { };",
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SyntaxError);
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})();
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(function TestClassMutableBinding() {
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AssertEqualsStrictAndSloppy(
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"x3", "class x { }; var y = x.name; x = 3; return y + x;")
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})();
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