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Unified Diff: test/mjsunit/strict-mode.js

Issue 6691003: Strict mode poision pills. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Kraken fix. Created 9 years, 9 months ago
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Index: test/mjsunit/strict-mode.js
diff --git a/test/mjsunit/strict-mode.js b/test/mjsunit/strict-mode.js
index 20641625ab2a62d420c67b9c3fda6945d33271fb..a0320c065212378e2e9472853daa1b2daaa44769 100644
--- a/test/mjsunit/strict-mode.js
+++ b/test/mjsunit/strict-mode.js
@@ -976,3 +976,47 @@ repeat(10, function() { testAssignToUndefined(false); });
assertEquals(["c", "d", "a", "b"], strict("a", "b"));
assertEquals(["c", "d", "c", "d"], nonstrict("a", "b"));
})();
+
+
+(function TestStrictFunctionPills() {
+ function strict() {
+ "use strict";
+ }
+ assertThrows(function() { strict.caller; }, TypeError);
+ assertThrows(function() { strict.arguments; }, TypeError);
+
+ var another = new Function("'use strict'");
+ assertThrows(function() { another.caller; }, TypeError);
+ assertThrows(function() { another.arguments; }, TypeError);
+
+ var third = (function() { "use strict"; return function() {}; })();
+ assertThrows(function() { third.caller; }, TypeError);
+ assertThrows(function() { third.arguments; }, TypeError);
+
+ function CheckPill(pill) {
+ assertEquals("function", typeof pill);
+ assertInstanceof(pill, Function);
+ assertThrows(function() { pill.property = "value"; }, TypeError);
+ assertThrows(pill, TypeError);
+ assertEquals(pill.prototype, (function(){}).prototype);
+ var d = Object.getOwnPropertyDescriptor(pill, "prototype");
+ assertFalse(d.writable);
+ assertFalse(d.configurable);
+ assertFalse(d.enumerable);
+ }
+
+ function CheckPillDescriptor(func, name) {
+ var descriptor = Object.getOwnPropertyDescriptor(func, name);
+ CheckPill(descriptor.get)
+ CheckPill(descriptor.set);
+ assertFalse(descriptor.enumerable);
+ assertFalse(descriptor.configurable);
+ }
+
+ CheckPillDescriptor(strict, "caller");
+ CheckPillDescriptor(strict, "arguments");
+ CheckPillDescriptor(another, "caller");
+ CheckPillDescriptor(another, "arguments");
+ CheckPillDescriptor(third, "caller");
+ CheckPillDescriptor(third, "arguments");
+})();
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