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Diffstat (limited to 'V8Binding/v8/test/mjsunit/function-prototype.js')
-rw-r--r-- | V8Binding/v8/test/mjsunit/function-prototype.js | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/V8Binding/v8/test/mjsunit/function-prototype.js b/V8Binding/v8/test/mjsunit/function-prototype.js deleted file mode 100644 index c5a5487..0000000 --- a/V8Binding/v8/test/mjsunit/function-prototype.js +++ /dev/null @@ -1,98 +0,0 @@ -// Copyright 2008 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Test that we can set function prototypes to non-object values. The -// prototype used for instances in that case should be the initial -// object prototype. ECMA-262 13.2.2. -function TestNonObjectPrototype(value) { - function F() {}; - F.prototype = value; - var f = new F(); - assertEquals(value, F.prototype); - assertEquals(Object.prototype, f.__proto__); -} - -var values = [123, "asdf", true]; - -values.forEach(TestNonObjectPrototype); - - -// Test moving between non-object and object values. -function F() {}; -var f = new F(); -assertEquals(f.__proto__, F.prototype); -F.prototype = 42; -f = new F(); -assertEquals(Object.prototype, f.__proto__); -assertEquals(42, F.prototype); -F.prototype = { a: 42 }; -f = new F(); -assertEquals(42, F.prototype.a); -assertEquals(f.__proto__, F.prototype); - - -// Test that the fast case optimizations can handle non-functions, -// functions with no prototypes (yet), non-object prototypes, -// functions without initial maps, and the fully initialized -// functions. -function GetPrototypeOf(f) { - return f.prototype; -}; - -// Seed the GetPrototypeOf function to enable the fast case -// optimizations. -var p = GetPrototypeOf(GetPrototypeOf); - -// Check that getting the prototype of a tagged integer works. -assertTrue(typeof GetPrototypeOf(1) == 'undefined'); - -function NoPrototypeYet() { } -var p = GetPrototypeOf(NoPrototypeYet); -assertEquals(NoPrototypeYet.prototype, p); - -function NonObjectPrototype() { } -NonObjectPrototype.prototype = 42; -assertEquals(42, GetPrototypeOf(NonObjectPrototype)); - -function NoInitialMap() { } -var p = NoInitialMap.prototype; -assertEquals(p, GetPrototypeOf(NoInitialMap)); - -// Check the standard fast case. -assertEquals(F.prototype, GetPrototypeOf(F)); - -// Check that getting the prototype of a non-function works. This must -// be the last thing we do because this will clobber the optimizations -// in GetPrototypeOf and go to a monomorphic IC load instead. -assertEquals(87, GetPrototypeOf({prototype:87})); - -// Check the prototype is not enumerable, for compatibility with -// safari. This is deliberately incompatible with ECMA262, 15.3.5.2. -var foo = new Function("return x"); -var result = "" -for (var n in foo) result += n; -assertEquals(result, ""); |