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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 function Foo(a, b) { } | 28 function Foo(a, b) { } |
| 29 Foo(); | 29 Foo(); |
| 30 var oldArgs = Foo.arguments; | 30 var oldArgs = Foo.arguments; |
| 31 Foo(); | 31 Foo(); |
| 32 var newArgs = Foo.arguments | 32 var newArgs = Foo.arguments; |
| 33 | 33 |
| 34 assertTrue(oldArgs !== newArgs); | 34 assertTrue(oldArgs !== newArgs); |
| 35 | 35 |
| 36 // Don't allow arguments to be overwritten. | 36 // Don't allow arguments to be overwritten. |
| 37 Foo.arguments = oldArgs; | 37 Foo.arguments = oldArgs; |
| 38 assertEquals(Foo.arguments, newArgs); | 38 assertEquals(Foo.arguments, newArgs); |
| 39 | 39 |
| 40 // Don't allow arguments to be deleted. | 40 // Don't allow arguments to be deleted. |
| 41 assertFalse(delete Foo.arguments); | 41 assertFalse(delete Foo.arguments); |
| 42 assertEquals(Foo.arguments, newArgs); | 42 assertEquals(Foo.arguments, newArgs); |
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