| // Copyright 2017 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --allow-natives-syntax |
| |
| (function() { |
| "use strict"; |
| function bar() { return this; } |
| |
| function foo(x) { |
| return bar.bind(x); |
| } |
| |
| assertEquals(0, foo(0)()); |
| assertEquals(1, foo(1)()); |
| %OptimizeFunctionOnNextCall(foo); |
| assertEquals("", foo("")()); |
| })(); |
| |
| (function() { |
| "use strict"; |
| function bar(x) { return x; } |
| |
| function foo(x) { |
| return bar.bind(undefined, x); |
| } |
| |
| assertEquals(0, foo(0)()); |
| assertEquals(1, foo(1)()); |
| %OptimizeFunctionOnNextCall(foo); |
| assertEquals("", foo("")()); |
| })(); |
| |
| (function() { |
| function bar(x) { return x; } |
| |
| function foo(x) { |
| return bar.bind(undefined, x); |
| } |
| |
| assertEquals(0, foo(0)()); |
| assertEquals(1, foo(1)()); |
| %OptimizeFunctionOnNextCall(foo); |
| assertEquals("", foo("")()); |
| })(); |
| |
| (function() { |
| "use strict"; |
| function bar(x, y) { return x + y; } |
| |
| function foo(x, y) { |
| return bar.bind(undefined, x, y); |
| } |
| |
| assertEquals(0, foo(0, 0)()); |
| assertEquals(2, foo(1, 1)()); |
| %OptimizeFunctionOnNextCall(foo); |
| assertEquals("ab", foo("a", "b")()); |
| assertEquals(0, foo(0, 1).length); |
| assertEquals("bound bar", foo(1, 2).name) |
| })(); |
| |
| (function() { |
| function bar(x, y) { return x + y; } |
| |
| function foo(x, y) { |
| return bar.bind(undefined, x, y); |
| } |
| |
| assertEquals(0, foo(0, 0)()); |
| assertEquals(2, foo(1, 1)()); |
| %OptimizeFunctionOnNextCall(foo); |
| assertEquals("ab", foo("a", "b")()); |
| assertEquals(0, foo(0, 1).length); |
| assertEquals("bound bar", foo(1, 2).name) |
| })(); |