1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T4.js b/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T4.js
new file mode 100644
index 0000000000..1f315396cd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/shift/S15.4.4.9_A2_T4.js
@@ -0,0 +1,48 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The shift function is intentionally generic.
+    It does not require that its this value be an Array object
+esid: sec-array.prototype.shift
+description: >
+    The first element of the array is removed from the array and
+    returned
+---*/
+
+var obj = {};
+obj["0"] = 0;
+obj["3"] = 3;
+obj.shift = Array.prototype.shift;
+
+obj.length = 4;
+var shift = obj.shift();
+if (shift !== 0) {
+  throw new Test262Error('#1: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift() === 0. Actual: ' + (shift));
+}
+
+if (obj.length !== 3) {
+  throw new Test262Error('#2: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift(); obj.length === 3. Actual: ' + (obj.length));
+}
+
+var shift = obj.shift();
+if (shift !== undefined) {
+  throw new Test262Error('#3: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift(); obj.shift() === undefined. Actual: ' + (shift));
+}
+
+if (obj.length !== 2) {
+  throw new Test262Error('#4: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift(); obj.shift(); obj.length === 2. Actual: ' + (obj.length));
+}
+
+obj.length = 1;
+var shift = obj.shift();
+if (shift !== undefined) {
+  throw new Test262Error('#5: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift(); obj.shift(); obj.length = 1; obj.shift() === undefined. Actual: ' + (shift));
+}
+
+if (obj.length !== 0) {
+  throw new Test262Error('#6: var obj = {}; obj["0"] = 0; obj["3"] = 3; obj.length = 4; obj.shift = Array.prototype.shift; obj.shift(); obj.shift(); obj.length = 1; obj.shift(); obj.length === 0. Actual: ' + (obj.length));
+}
+
+reportCompare(0, 0);