diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A4_T2.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A4_T2.js | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A4_T2.js b/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A4_T2.js new file mode 100644 index 0000000000..bc63e8cf66 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A4_T2.js @@ -0,0 +1,68 @@ +// Copyright 2009 the Sputnik authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +info: "[[Get]], [[Delete]] from not an inherited property" +esid: sec-array.prototype.unshift +description: > + [[Prototype]] of Array instance is Array.prototype, [[Prototype] + of Array.prototype is Object.prototype +---*/ + +Array.prototype[0] = 1; +var x = []; +x.length = 1; + +var unshift = x.unshift(0); +if (unshift !== 2) { + throw new Test262Error('#1: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0) === 2. Actual: ' + (unshift)); +} + +if (x[0] !== 0) { + throw new Test262Error('#2: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0); x[0] === 0. Actual: ' + (x[0])); +} + +if (x[1] !== 1) { + throw new Test262Error('#3: Array.prototype[0] = 1; x = []; x.length = 1; x.unshift(0); x[1] === 1. Actual: ' + (x[1])); +} + +delete x[0]; + +if (x[0] !== 1) { + throw new Test262Error('#4: Array.prototype[0] = 1; x = [1]; x.length = 1; x.unshift(0); delete x[0]; x[0] === 1. Actual: ' + (x[0])); +} + +Object.prototype[0] = 1; +Object.prototype.length = 1; +Object.prototype.unshift = Array.prototype.unshift; +x = {}; + +var unshift = x.unshift(0); +if (unshift !== 2) { + throw new Test262Error('#5: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0) === 2. Actual: ' + (unshift)); +} + +if (x[0] !== 0) { + throw new Test262Error('#6: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x[0] === 0. Actual: ' + (x[0])); +} + +if (x[1] !== 1) { + throw new Test262Error('#7: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x[1] === 1. Actual: ' + (x[1])); +} + +delete x[0]; + +if (x[0] !== 1) { + throw new Test262Error('#8: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); delete x[0]; x[0] === 1. Actual: ' + (x[0])); +} + +if (x.length !== 2) { + throw new Test262Error('#9: Object.prototype[0] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); x.length === 1. Actual: ' + (x.length)); +} + +delete x.length; +if (x.length !== 1) { + throw new Test262Error('#10: Object.prototype[1] = 1; Object.prototype.length = 1; Object.prototype.unshift = Array.prototype.unshift; x = {}; x.unshift(0); delete x; x.length === 1. Actual: ' + (x.length)); +} + +reportCompare(0, 0); |