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-rw-r--r--js/src/tests/non262/strict/15.4.4.9.js50
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/non262/strict/15.4.4.9.js b/js/src/tests/non262/strict/15.4.4.9.js
new file mode 100644
index 0000000000..4d08fe98f9
--- /dev/null
+++ b/js/src/tests/non262/strict/15.4.4.9.js
@@ -0,0 +1,50 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+function arr() {
+ return Object.defineProperty([10, 20, 30], 0, {writable: false});
+}
+
+function obj() {
+ var o = {0: 10, 1: 20, 2: 30, length: 3};
+ Object.defineProperty(o, 0, {writable: false});
+ return o;
+}
+
+assertEq(testLenientAndStrict('var a = arr(); [a.shift(), a]',
+ raisesException(TypeError),
+ raisesException(TypeError)),
+ true);
+
+assertEq(testLenientAndStrict('var o = obj(); [Array.prototype.shift.call(o), o]',
+ raisesException(TypeError),
+ raisesException(TypeError)),
+ true);
+
+function agap() {
+ var a = [1, 2, , 4];
+ Object.defineProperty(a, 1, {configurable: false});
+ return a;
+}
+
+function ogap() {
+ var o = {0: 1, 1: 2, /* no 2 */ 3: 4, length: 4};
+ Object.defineProperty(o, 1, {configurable: false});
+ return o;
+}
+
+assertEq(testLenientAndStrict('var a = agap(); [a.shift(), a]',
+ raisesException(TypeError),
+ raisesException(TypeError)),
+ true);
+
+assertEq(testLenientAndStrict('var o = ogap(); [Array.prototype.shift.call(o), o]',
+ raisesException(TypeError),
+ raisesException(TypeError)),
+ true);
+
+reportCompare(true, true);