comparison: js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js
js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js
- changeset 0
- 6474c204b198
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1 load(libdir + "asserts.js"); |
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2 |
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3 // Throw a TypeError if the object refuses to be made non-extensible |
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4 assertThrowsInstanceOf(function () { |
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5 Object.preventExtensions(new Proxy({}, { |
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6 preventExtensions: function () { |
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7 return false; |
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8 } |
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9 })); |
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10 }, TypeError); |