91 lines
3.7 KiB
C++
91 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: set ts=8 sts=2 et sw=2 tw=80:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "jsapi-tests/tests.h"
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#include "vm/ArgumentsObject-inl.h"
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#include "vm/JSObject-inl.h"
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using namespace js;
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static const char NORMAL_ZERO[] = "function f() { return arguments; }";
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static const char NORMAL_ONE[] = "function f(a) { return arguments; }";
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static const char NORMAL_TWO[] = "function f(a, b) { return arguments; }";
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static const char NORMAL_THREE[] = "function f(a, b, c) { return arguments; }";
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static const char STRICT_ZERO[] =
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"function f() { 'use strict'; return arguments; }";
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static const char STRICT_ONE[] =
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"function f() { 'use strict'; return arguments; }";
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static const char STRICT_TWO[] =
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"function f() { 'use strict'; return arguments; }";
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static const char STRICT_THREE[] =
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"function f() { 'use strict'; return arguments; }";
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static const char* const CALL_CODES[] = {"f()", "f(0)",
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"f(0, 1)", "f(0, 1, 2)",
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"f(0, 1, 2, 3)", "f(0, 1, 2, 3, 4)"};
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BEGIN_TEST(testArgumentsObject) {
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return ExhaustiveTest<0>(NORMAL_ZERO) && ExhaustiveTest<1>(NORMAL_ZERO) &&
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ExhaustiveTest<2>(NORMAL_ZERO) && ExhaustiveTest<0>(NORMAL_ONE) &&
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ExhaustiveTest<1>(NORMAL_ONE) && ExhaustiveTest<2>(NORMAL_ONE) &&
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ExhaustiveTest<3>(NORMAL_ONE) && ExhaustiveTest<0>(NORMAL_TWO) &&
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ExhaustiveTest<1>(NORMAL_TWO) && ExhaustiveTest<2>(NORMAL_TWO) &&
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ExhaustiveTest<3>(NORMAL_TWO) && ExhaustiveTest<4>(NORMAL_TWO) &&
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ExhaustiveTest<0>(NORMAL_THREE) && ExhaustiveTest<1>(NORMAL_THREE) &&
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ExhaustiveTest<2>(NORMAL_THREE) && ExhaustiveTest<3>(NORMAL_THREE) &&
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ExhaustiveTest<4>(NORMAL_THREE) && ExhaustiveTest<5>(NORMAL_THREE) &&
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ExhaustiveTest<0>(STRICT_ZERO) && ExhaustiveTest<1>(STRICT_ZERO) &&
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ExhaustiveTest<2>(STRICT_ZERO) && ExhaustiveTest<0>(STRICT_ONE) &&
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ExhaustiveTest<1>(STRICT_ONE) && ExhaustiveTest<2>(STRICT_ONE) &&
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ExhaustiveTest<3>(STRICT_ONE) && ExhaustiveTest<0>(STRICT_TWO) &&
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ExhaustiveTest<1>(STRICT_TWO) && ExhaustiveTest<2>(STRICT_TWO) &&
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ExhaustiveTest<3>(STRICT_TWO) && ExhaustiveTest<4>(STRICT_TWO) &&
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ExhaustiveTest<0>(STRICT_THREE) && ExhaustiveTest<1>(STRICT_THREE) &&
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ExhaustiveTest<2>(STRICT_THREE) && ExhaustiveTest<3>(STRICT_THREE) &&
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ExhaustiveTest<4>(STRICT_THREE) && ExhaustiveTest<5>(STRICT_THREE);
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}
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static const size_t MAX_ELEMS = 6;
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template <size_t ArgCount>
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bool ExhaustiveTest(const char funcode[]) {
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RootedValue v(cx);
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EVAL(funcode, &v);
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EVAL(CALL_CODES[ArgCount], &v);
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Rooted<ArgumentsObject*> argsobj(cx,
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&v.toObjectOrNull()->as<ArgumentsObject>());
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JS::RootedValueArray<MAX_ELEMS> elems(cx);
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for (size_t i = 0; i <= ArgCount; i++) {
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for (size_t j = 0; j <= ArgCount - i; j++) {
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ClearElements(elems);
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CHECK(argsobj->maybeGetElements(i, j, elems.begin()));
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for (size_t k = 0; k < j; k++) {
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CHECK(elems[k].isInt32(i + k));
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}
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for (size_t k = j; k < MAX_ELEMS - 1; k++) {
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CHECK(elems[k].isNull());
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}
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CHECK(elems[MAX_ELEMS - 1].isInt32(42));
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}
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}
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return true;
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}
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template <size_t N>
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static void ClearElements(JS::RootedValueArray<N>& elems) {
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for (size_t i = 0; i < elems.length() - 1; i++) {
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elems[i].setNull();
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}
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elems[elems.length() - 1].setInt32(42);
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}
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END_TEST(testArgumentsObject)
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