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			73 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2010 the V8 project authors. All rights reserved.
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| // Redistribution and use in source and binary forms, with or without
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| // modification, are permitted provided that the following conditions are
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| // met:
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| //
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| //     * Redistributions of source code must retain the above copyright
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| //       notice, this list of conditions and the following disclaimer.
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| //     * Redistributions in binary form must reproduce the above
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| //       copyright notice, this list of conditions and the following
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| //       disclaimer in the documentation and/or other materials provided
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| //       with the distribution.
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| //     * Neither the name of Google Inc. nor the names of its
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| //       contributors may be used to endorse or promote products derived
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| //       from this software without specific prior written permission.
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| //
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| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 
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| // Tests the Object.defineProperties method - ES 15.2.3.7
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| // Note that the internal DefineOwnProperty method is tested through
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| // object-define-property.js, this file only contains tests specific for
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| // Object.defineProperties. Also note that object-create.js contains
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| // a range of indirect tests on this method since Object.create uses
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| // Object.defineProperties as a step in setting up the object.
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| 
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| // Try defining with null as descriptor:
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| try {
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|   Object.defineProperties({}, null);
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| } catch(e) {
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|   assertTrue(/null to object/.test(e));
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| }
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| 
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| // Try defining with null as object
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| try {
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|   Object.defineProperties(null, {});
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| } catch(e) {
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|   assertTrue(/called on non-object/.test(e));
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| }
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| 
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| 
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| var desc = {foo: {value: 10}, bar: {get: function() {return 42; }}};
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| var obj = {};
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| // Check that we actually get the object back as returnvalue
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| var x = Object.defineProperties(obj, desc);
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| 
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| assertEquals(x.foo, 10);
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| assertEquals(x.bar, 42);
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| 
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| 
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| // Make sure that all property descriptors are calculated before any
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| // modifications are done.
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| 
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| var object = {};
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| 
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| assertThrows(function() {
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|     Object.defineProperties(object, {
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|       foo: { value: 1 },
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|       bar: { value: 2, get: function() { return 3; } }
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|     });
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|   }, TypeError);
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| 
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| assertEquals(undefined, object.foo);
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| assertEquals(undefined, object.bar);
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