v8/test/mjsunit/compiler/array-constructor.js
Michael Starzinger 2f5e0bac8d [turbofan] Lower {JSCreateArray} nodes inside try-block.
This adds support for lowering of nodes having the {JSCreateArray}
operator even if they have exceptional control projections (e.g. are
placed inside a try-block).

R=mvstanton@chromium.org
TEST=mjsunit/compiler/array-constructor

Change-Id: I2fe34dbb3729b4763471f2638a960b01c531c038
Reviewed-on: https://chromium-review.googlesource.com/554732
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46315}
2017-06-29 10:26:35 +00:00

101 lines
2.6 KiB
JavaScript

// 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
// Test Array call with known Boolean.
(() => {
function foo(x) { return Array(!!x); }
assertEquals([true], foo(true));
assertEquals([false], foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
})();
// Test Array construct with known Boolean.
(() => {
function foo(x) { return new Array(!!x); }
assertEquals([true], foo(true));
assertEquals([false], foo(false));
%OptimizeFunctionOnNextCall(foo);
assertEquals([true], foo(true));
assertEquals([false], foo(false));
})();
// Test Array call with known String.
(() => {
function foo(x) { return Array("" + x); }
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
%OptimizeFunctionOnNextCall(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
})();
// Test Array construct with known String.
(() => {
function foo(x) { return new Array("" + x); }
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
%OptimizeFunctionOnNextCall(foo);
assertEquals(["a"], foo("a"));
assertEquals(["b"], foo("b"));
})();
// Test Array call with known fixed small integer.
(() => {
function foo() { return Array(2); }
assertEquals(2, foo().length);
assertEquals(2, foo().length);
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo().length);
})();
// Test Array construct with known fixed small integer.
(() => {
function foo() { return new Array(2); }
assertEquals(2, foo().length);
assertEquals(2, foo().length);
%OptimizeFunctionOnNextCall(foo);
assertEquals(2, foo().length);
})();
// Test Array call with multiple parameters.
(() => {
function foo(x, y, z) { return Array(x, y, z); }
assertEquals([1, 2, 3], foo(1, 2, 3));
assertEquals([1, 2, 3], foo(1, 2, 3));
%OptimizeFunctionOnNextCall(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
})();
// Test Array construct with multiple parameters.
(() => {
function foo(x, y, z) { return new Array(x, y, z); }
assertEquals([1, 2, 3], foo(1, 2, 3));
assertEquals([1, 2, 3], foo(1, 2, 3));
%OptimizeFunctionOnNextCall(foo);
assertEquals([1, 2, 3], foo(1, 2, 3));
})();
// Test Array construct inside try-catch block.
(() => {
function foo(x) { try { return new Array(x) } catch (e) { return e } }
assertEquals([], foo(0));
assertEquals([], foo(0));
%OptimizeFunctionOnNextCall(foo);
assertEquals([], foo(0));
assertInstanceof(foo(-1), RangeError);
})();