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// Copyright 2015 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
// This test suite checks that the receiver value (i.e. the 'this' binding) is
// correctly converted even when the callee function is inlined. This behavior
// is specified by ES6, section 9.2.1.2 "OrdinaryCallBindThis".
var global = this;
function test(outer, inner, check) {
%PrepareFunctionForOptimization(outer);
check(outer());
check(outer());
%OptimizeFunctionOnNextCall(outer);
check(outer());
}
// -----------------------------------------------------------------------------
// Test undefined in sloppy mode.
(function UndefinedSloppy() {
function check(x) {
assertEquals("object", typeof x);
assertSame(global, x);
}
function inner(x) {
return this;
}
function outer() {
return sloppy();
}
global.sloppy = inner;
test(outer, inner, check);
})();
// -----------------------------------------------------------------------------
// Test undefined in strict mode.
(function UndefinedStrict() {
function check(x) {
assertEquals("undefined", typeof x);
assertSame(undefined, x);
}
function inner(x) {
"use strict";
return this;
}
function outer() {
return strict();
}
global.strict = inner;
test(outer, inner, check);
})();
// -----------------------------------------------------------------------------
// Test primitive number in sloppy mode.
(function NumberSloppy() {
function check(x) {
assertEquals("object", typeof x);
assertInstanceof(x, Number);
}
function inner(x) {
return this;
}
function outer() {
return (0).sloppy();
}
Number.prototype.sloppy = inner;
test(outer, inner, check);
})();
// -----------------------------------------------------------------------------
// Test primitive number in strict mode.
(function NumberStrict() {
function check(x) {
assertEquals("number", typeof x);
assertSame(0, x);
}
function inner(x) {
"use strict";
return this;
}
function outer() {
return (0).strict();
}
Number.prototype.strict = inner;
test(outer, inner, check);
})();
// -----------------------------------------------------------------------------
// Test primitive string in sloppy mode.
(function StringSloppy() {
function check(x) {
assertEquals("object", typeof x);
assertInstanceof(x, String);
}
function inner(x) {
return this;
}
function outer() {
return ("s").sloppy();
}
String.prototype.sloppy = inner;
test(outer, inner, check);
})();
// -----------------------------------------------------------------------------
// Test primitive string in strict mode.
(function StringStrict() {
function check(x) {
assertEquals("string", typeof x);
assertSame("s", x);
}
function inner(x) {
"use strict";
return this;
}
function outer() {
return ("s").strict();
}
String.prototype.strict = inner;
test(outer, inner, check);
})();
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