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6a31d05340
PR-URL: https://github.com/nodejs/node/pull/21079 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Yang Guo <yangguo@chromium.org>
95 lines
1.8 KiB
JavaScript
95 lines
1.8 KiB
JavaScript
// Copyright 2018 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
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(() => {
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function f(a) {
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return "abc".concat();
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}
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assertEquals("abc", f());
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assertEquals("abc", f());
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc", f());
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abcde", f("de"));
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc1", f(1));
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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var s = "x".repeat(%StringMaxLength());
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assertThrows(() => f(s), RangeError);
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})();
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(() => {
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function f(a) {
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return "ab".concat("c");
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}
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assertEquals("abc", f());
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assertEquals("abc", f());
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc", f());
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abcde", f("de"));
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc1", f(1));
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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var s = "x".repeat(%StringMaxLength());
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assertThrows(() => f(s), RangeError);
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})();
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