1 files changed, 88 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A2_T2.js b/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A2_T2.js
new file mode 100644
index 0000000000..152ab6e247
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/unshift/S15.4.4.13_A2_T2.js
@@ -0,0 +1,88 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The unshift function is intentionally generic.
+    It does not require that its this value be an Array object
+esid: sec-array.prototype.unshift
+description: >
+    The arguments are prepended to the start of the array, such that
+    their order within the array is the same as the order in which
+    they appear in  the argument list
+---*/
+
+var obj = {};
+obj.unshift = Array.prototype.unshift;
+
+obj.length = NaN;
+var unshift = obj.unshift(-1);
+if (unshift !== 1) {
+  throw new Test262Error('#1: var obj = {}; obj.length = NaN; obj.unshift = Array.prototype.unshift; obj.unshift(-1) === 1. Actual: ' + (unshift));
+}
+
+if (obj.length !== 1) {
+  throw new Test262Error('#2: var obj = {}; obj.length = NaN; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj.length === 1. Actual: ' + (obj.length));
+}
+
+if (obj["0"] !== -1) {
+  throw new Test262Error('#3: var obj = {}; obj.length = NaN; obj.unshift = Array.prototype.unshift; obj.unshift(-1); obj["0"] === -1. Actual: ' + (obj["0"]));
+}
+
+obj.length = Number.NEGATIVE_INFINITY;
+var unshift = obj.unshift(-7);
+if (unshift !== 1) {
+  throw new Test262Error('#7: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-7) === 1. Actual: ' + (unshift));
+}
+
+if (obj.length !== 1) {
+  throw new Test262Error('#8: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj.length === 1. Actual: ' + (obj.length));
+}
+
+if (obj["0"] !== -7) {
+  throw new Test262Error('#9: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.unshift = Array.prototype.unshift; obj.unshift(-7); obj["0"] === -7. Actual: ' + (obj["0"]));
+}
+
+obj.length = 0.5;
+var unshift = obj.unshift(-10);
+if (unshift !== 1) {
+  throw new Test262Error('#10: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10) === 1. Actual: ' + (unshift));
+}
+
+if (obj.length !== 1) {
+  throw new Test262Error('#11: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10); obj.length === 1. Actual: ' + (obj.length));
+}
+
+if (obj["0"] !== -10) {
+  throw new Test262Error('#12: var obj = {}; obj.length = 0.5; obj.unshift = Array.prototype.unshift; obj.unshift(-10); obj["0"] === -10. Actual: ' + (obj["0"]));
+}
+
+obj.length = 1.5;
+var unshift = obj.unshift(-13);
+if (unshift !== 2) {
+  throw new Test262Error('#13: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13) === 2. Actual: ' + (unshift));
+}
+
+if (obj.length !== 2) {
+  throw new Test262Error('#14: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13); obj.length === 2. Actual: ' + (obj.length));
+}
+
+if (obj["0"] !== -13) {
+  throw new Test262Error('#15: var obj = {}; obj.length = 1.5; obj.unshift = Array.prototype.unshift; obj.unshift(-13); obj["0"] === -13. Actual: ' + (obj["0"]));
+}
+
+obj.length = new Number(0);
+var unshift = obj.unshift(-16);
+if (unshift !== 1) {
+  throw new Test262Error('#16: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16) === 1. Actual: ' + (unshift));
+}
+
+if (obj.length !== 1) {
+  throw new Test262Error('#17: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16); obj.length === 1. Actual: ' + (obj.length));
+}
+
+if (obj["0"] !== -16) {
+  throw new Test262Error('#18: var obj = {}; obj.length = new Number(0); obj.unshift = Array.prototype.unshift; obj.unshift(-16); obj["0"] === -16. Actual: ' + (obj["0"]));
+}
+
+reportCompare(0, 0);