[test] Increase test coverage for Array constructor inlining.

test/mjsunit/compiler/array-constructor.js

Index: test/mjsunit/compiler/array-constructor.js
diff --git a/test/mjsunit/compiler/array-constructor.js b/test/mjsunit/compiler/array-constructor.js
new file mode 100644
index 0000000000000000000000000000000000000000..583817b7d840f8c6c5a87f1e268f83132e3d9e06
--- /dev/null
+++ b/test/mjsunit/compiler/array-constructor.js
@@ -0,0 +1,89 @@
+// 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));
+})();