Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Test for conflicting variable bindings. |
| 6 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 7 | function AssertEqualsStrictAndSloppy(value, code) { |
| 8 | assertEquals(value, eval("(function() {" + code + "})()")); |
| 9 | assertEquals(value, eval("(function() { 'use strict'; " + code + "})()")); |
| 10 | assertEquals(value, eval("(function() { var x = 0; {" + code + "} })()")); |
| 11 | assertEquals(value, eval("(function() { 'use strict'; var x = 0; {" |
| 12 | + code + "} })()")); |
| 13 | } |
| 14 | |
| 15 | function AssertThrowsStrictAndSloppy(code, error) { |
| 16 | assertThrows("(function() {" + code + "})()", error); |
| 17 | assertThrows("(function() { 'use strict'; " + code + "})()", error); |
| 18 | assertThrows("(function() { var x = 0; { " + code + "} })()", error); |
| 19 | assertThrows("(function() { 'use strict'; var x = 0; {" + code + "} })()", |
| 20 | error); |
| 21 | } |
| 22 | |
| 23 | (function TestClassTDZ() { |
| 24 | AssertEqualsStrictAndSloppy( |
| 25 | "x", "function f() { return x; }; class x { }; return f().name;"); |
| 26 | AssertEqualsStrictAndSloppy |
| 27 | ("x", "class x { }; function f() { return x; }; return f().name;"); |
| 28 | AssertEqualsStrictAndSloppy( |
| 29 | "x", "class x { }; var result = f().name; " + |
| 30 | "function f() { return x; }; return result;"); |
| 31 | AssertThrowsStrictAndSloppy( |
| 32 | "function f() { return x; }; f(); class x { };", ReferenceError); |
| 33 | AssertThrowsStrictAndSloppy( |
| 34 | "f(); function f() { return x; }; class x { };", ReferenceError); |
| 35 | AssertThrowsStrictAndSloppy( |
| 36 | "f(); class x { }; function f() { return x; };", ReferenceError); |
| 37 | AssertThrowsStrictAndSloppy( |
| 38 | "var x = 1; { f(); class x { }; function f() { return x; }; }", |
| 39 | ReferenceError); |
| 40 | AssertThrowsStrictAndSloppy("x = 3; class x { };", ReferenceError) |
| 41 | })(); |
| 42 | |
| 43 | (function TestClassNameConflict() { |
| 44 | AssertThrowsStrictAndSloppy("class x { }; var x;", SyntaxError); |
| 45 | AssertThrowsStrictAndSloppy("var x; class x { };", SyntaxError); |
| 46 | AssertThrowsStrictAndSloppy("class x { }; function x() { };", SyntaxError); |
| 47 | AssertThrowsStrictAndSloppy("function x() { }; class x { };", SyntaxError); |
| 48 | AssertThrowsStrictAndSloppy("class x { }; for (var x = 0; false;) { };", |
| 49 | SyntaxError); |
| 50 | AssertThrowsStrictAndSloppy("for (var x = 0; false;) { }; class x { };", |
| 51 | SyntaxError); |
| 52 | })(); |
| 53 | |
| 54 | (function TestClassMutableBinding() { |
| 55 | AssertEqualsStrictAndSloppy( |
| 56 | "x3", "class x { }; var y = x.name; x = 3; return y + x;") |
| 57 | })(); |