72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
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// 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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// Flags: --allow-natives-syntax --expose-externalize-string
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(function() {
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function foo(s) {
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return "abcdefghijklm" + s;
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}
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assertTrue(isOneByteString(foo("0")));
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assertTrue(isOneByteString(foo("0")));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(isOneByteString(foo("0")));
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})();
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(function() {
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function foo(s) {
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return s + "abcdefghijklm";
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}
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assertTrue(isOneByteString(foo("0")));
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assertTrue(isOneByteString(foo("0")));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(isOneByteString(foo("0")));
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})();
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(function() {
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function foo(s) {
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return "abcdefghijklm" + s;
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}
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assertFalse(isOneByteString(foo("\u1234")));
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assertFalse(isOneByteString(foo("\u1234")));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(isOneByteString(foo("\u1234")));
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})();
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(function() {
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function foo(s) {
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return s + "abcdefghijklm";
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}
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assertFalse(isOneByteString(foo("\u1234")));
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assertFalse(isOneByteString(foo("\u1234")));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(isOneByteString(foo("\u1234")));
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})();
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(function() {
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function foo(s) {
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return "abcdefghijkl\u1234" + s;
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}
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assertFalse(isOneByteString(foo("0")));
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assertFalse(isOneByteString(foo("0")));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(isOneByteString(foo("0")));
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})();
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(function() {
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function foo(s) {
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return s + "abcdefghijkl\u1234";
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}
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assertFalse(isOneByteString(foo("0")));
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assertFalse(isOneByteString(foo("0")));
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%OptimizeFunctionOnNextCall(foo);
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assertFalse(isOneByteString(foo("0")));
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})();
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