JDK-8020809.js revision 877:cf4d2252d444 
1/*
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7 * published by the Free Software Foundation.
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * version 2 for more details (a copy is included in the LICENSE file that
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22 */
23
24/**
25 * JDK-8020809: Java adapter should not allow overriding of caller sensitive methods
26 *
27 * @test
28 * @run
29 */
30
31// This test runs as trusted as we need the
32// "enableContextClassLoaderOverride" runtime permission.
33
34var T = Java.extend(java.lang.Thread, {
35    getContextClassLoader: function() {
36        // Since getContextClassLoader is caller sensitive, this won't
37        // actually act as an override; it will be ignored. If we could
38        // invoke it, it would be an error.
39        throw new Error()
40    }
41})
42
43// Retrieve the context ClassLoader on our Thread adapter, ensure the
44// method was not, in fact, overridden.
45var cl = (new T()).contextClassLoader
46
47print("cl is class loader: "  + (cl instanceof java.lang.ClassLoader))
48