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PR-URL: https://github.com/nodejs/node/pull/18453 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Yang Guo <yangguo@chromium.org> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
50 lines
1.6 KiB
JavaScript
50 lines
1.6 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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x = "a";
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function test_varargs(...args) {
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var sum = this.x;
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for (i in args) {
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sum += "," + args[i];
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}
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return sum;
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}
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assertEquals("a", test_varargs());
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assertEquals("a,b", test_varargs("b"));
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assertEquals("a,b,c", test_varargs("b", "c"));
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assertEquals("a,b,c,d", test_varargs("b", "c", "d"));
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assertEquals("a,b,c,d,e", test_varargs("b", "c", "d", "e"));
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function forward_varargs(...args) {
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return test_varargs(...args);
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}
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assertEquals("a", forward_varargs());
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assertEquals("a,b", forward_varargs("b"));
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assertEquals("a,b,c", forward_varargs("b", "c"));
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assertEquals("a,b,c,d", forward_varargs("b", "c", "d"));
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assertEquals("a,b,c,d,e", forward_varargs("b", "c", "d", "e"));
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function forward_varargs_one_arg(x, ...args) {
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return test_varargs(x, ...args);
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}
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assertEquals("a,undefined", forward_varargs_one_arg());
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assertEquals("a,b", forward_varargs_one_arg("b"));
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assertEquals("a,b,c", forward_varargs_one_arg("b", "c"));
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assertEquals("a,b,c,d", forward_varargs_one_arg("b", "c", "d"));
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assertEquals("a,b,c,d,e", forward_varargs_one_arg("b", "c", "d", "e"));
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function forward_varargs_two_args(x, y, ...args) {
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return test_varargs(x, y, ...args);
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}
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assertEquals("a,undefined,undefined", forward_varargs_two_args());
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assertEquals("a,b,undefined", forward_varargs_two_args("b"));
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assertEquals("a,b,c", forward_varargs_two_args("b", "c"));
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assertEquals("a,b,c,d", forward_varargs_two_args("b", "c", "d"));
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assertEquals("a,b,c,d,e", forward_varargs_two_args("b", "c", "d", "e"));
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