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352a525eb9
PR-URL: https://github.com/nodejs/node/pull/19989 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matheus Marchini <matheus@sthima.com> Reviewed-By: Gus Caplan <me@gus.host> Reviewed-By: Myles Borins <myles.borins@gmail.com>
103 lines
2.0 KiB
JavaScript
103 lines
2.0 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((1 << 28) - 16);
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try {
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s = "x".repeat((1 << 30) - 1 - 24);
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} catch (e) {
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}
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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((1 << 28) - 16);
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try {
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s = "x".repeat((1 << 30) - 1 - 24);
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} catch (e) {
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}
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assertThrows(() => f(s), RangeError);
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})();
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