1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T2.js b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T2.js
new file mode 100644
index 0000000000..ef3b1004ec
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/join/S15.4.4.5_A2_T2.js
@@ -0,0 +1,63 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The join function is intentionally generic.
+    It does not require that its this value be an Array object
+esid: sec-array.prototype.join
+description: If ToUint32(length) is zero, return the empty string
+---*/
+
+var obj = {};
+obj.join = Array.prototype.join;
+
+obj.length = NaN;
+if (obj.join() !== "") {
+  throw new Test262Error('#1: var obj = {}; obj.length = NaN; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+assert.sameValue(obj.length, NaN, "obj.length is NaN");
+
+obj.length = Number.NEGATIVE_INFINITY;
+if (obj.join() !== "") {
+  throw new Test262Error('#5: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== Number.NEGATIVE_INFINITY) {
+  throw new Test262Error('#6: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.join = Array.prototype.join; obj.join(); obj.length === Number.NEGATIVE_INFINITY. Actual: ' + (obj.length));
+}
+
+obj.length = -0;
+if (obj.join() !== "") {
+  throw new Test262Error('#7: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== -0) {
+  throw new Test262Error('#8: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join(); obj.length === 0. Actual: ' + (obj.length));
+} else {
+  if (1 / obj.length !== Number.NEGATIVE_INFINITY) {
+    throw new Test262Error('#8: var obj = {}; obj.length = -0; obj.join = Array.prototype.join; obj.join(); obj.length === -0. Actual: ' + (obj.length));
+  }
+}
+
+obj.length = 0.5;
+if (obj.join() !== "") {
+  throw new Test262Error('#9: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== 0.5) {
+  throw new Test262Error('#10: var obj = {}; obj.length = 0.5; obj.join = Array.prototype.join; obj.join(); obj.length === 0.5. Actual: ' + (obj.length));
+}
+
+var x = new Number(0);
+obj.length = x;
+if (obj.join() !== "") {
+  throw new Test262Error('#11: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join() === "". Actual: ' + (obj.join()));
+}
+
+if (obj.length !== x) {
+  throw new Test262Error('#12: var x = new Number(0); var obj = {}; obj.length = x; obj.join = Array.prototype.join; obj.join(); obj.length === x. Actual: ' + (obj.length));
+}
+
+reportCompare(0, 0);