1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jsapi-tests/testArgumentsObject.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,113 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#include "jsapi-tests/tests.h"
1.12 +
1.13 +#include "jsobjinlines.h"
1.14 +
1.15 +#include "vm/ArgumentsObject-inl.h"
1.16 +
1.17 +using namespace js;
1.18 +
1.19 +static const char NORMAL_ZERO[] =
1.20 + "function f() { return arguments; }";
1.21 +static const char NORMAL_ONE[] =
1.22 + "function f(a) { return arguments; }";
1.23 +static const char NORMAL_TWO[] =
1.24 + "function f(a, b) { return arguments; }";
1.25 +static const char NORMAL_THREE[] =
1.26 + "function f(a, b, c) { return arguments; }";
1.27 +
1.28 +static const char STRICT_ZERO[] =
1.29 + "function f() { 'use strict'; return arguments; }";
1.30 +static const char STRICT_ONE[] =
1.31 + "function f() { 'use strict'; return arguments; }";
1.32 +static const char STRICT_TWO[] =
1.33 + "function f() { 'use strict'; return arguments; }";
1.34 +static const char STRICT_THREE[] =
1.35 + "function f() { 'use strict'; return arguments; }";
1.36 +
1.37 +static const char * const CALL_CODES[] =
1.38 + { "f()", "f(0)", "f(0, 1)", "f(0, 1, 2)", "f(0, 1, 2, 3)", "f(0, 1, 2, 3, 4)" };
1.39 +
1.40 +BEGIN_TEST(testArgumentsObject)
1.41 +{
1.42 + return ExhaustiveTest<0>(NORMAL_ZERO) &&
1.43 + ExhaustiveTest<1>(NORMAL_ZERO) &&
1.44 + ExhaustiveTest<2>(NORMAL_ZERO) &&
1.45 + ExhaustiveTest<0>(NORMAL_ONE) &&
1.46 + ExhaustiveTest<1>(NORMAL_ONE) &&
1.47 + ExhaustiveTest<2>(NORMAL_ONE) &&
1.48 + ExhaustiveTest<3>(NORMAL_ONE) &&
1.49 + ExhaustiveTest<0>(NORMAL_TWO) &&
1.50 + ExhaustiveTest<1>(NORMAL_TWO) &&
1.51 + ExhaustiveTest<2>(NORMAL_TWO) &&
1.52 + ExhaustiveTest<3>(NORMAL_TWO) &&
1.53 + ExhaustiveTest<4>(NORMAL_TWO) &&
1.54 + ExhaustiveTest<0>(NORMAL_THREE) &&
1.55 + ExhaustiveTest<1>(NORMAL_THREE) &&
1.56 + ExhaustiveTest<2>(NORMAL_THREE) &&
1.57 + ExhaustiveTest<3>(NORMAL_THREE) &&
1.58 + ExhaustiveTest<4>(NORMAL_THREE) &&
1.59 + ExhaustiveTest<5>(NORMAL_THREE) &&
1.60 + ExhaustiveTest<0>(STRICT_ZERO) &&
1.61 + ExhaustiveTest<1>(STRICT_ZERO) &&
1.62 + ExhaustiveTest<2>(STRICT_ZERO) &&
1.63 + ExhaustiveTest<0>(STRICT_ONE) &&
1.64 + ExhaustiveTest<1>(STRICT_ONE) &&
1.65 + ExhaustiveTest<2>(STRICT_ONE) &&
1.66 + ExhaustiveTest<3>(STRICT_ONE) &&
1.67 + ExhaustiveTest<0>(STRICT_TWO) &&
1.68 + ExhaustiveTest<1>(STRICT_TWO) &&
1.69 + ExhaustiveTest<2>(STRICT_TWO) &&
1.70 + ExhaustiveTest<3>(STRICT_TWO) &&
1.71 + ExhaustiveTest<4>(STRICT_TWO) &&
1.72 + ExhaustiveTest<0>(STRICT_THREE) &&
1.73 + ExhaustiveTest<1>(STRICT_THREE) &&
1.74 + ExhaustiveTest<2>(STRICT_THREE) &&
1.75 + ExhaustiveTest<3>(STRICT_THREE) &&
1.76 + ExhaustiveTest<4>(STRICT_THREE) &&
1.77 + ExhaustiveTest<5>(STRICT_THREE);
1.78 +}
1.79 +
1.80 +static const size_t MAX_ELEMS = 6;
1.81 +
1.82 +template<size_t ArgCount> bool
1.83 +ExhaustiveTest(const char funcode[])
1.84 +{
1.85 + RootedValue v(cx);
1.86 + EVAL(funcode, &v);
1.87 +
1.88 + EVAL(CALL_CODES[ArgCount], &v);
1.89 + Rooted<ArgumentsObject*> argsobj(cx, &JSVAL_TO_OBJECT(v)->as<ArgumentsObject>());
1.90 +
1.91 + JS::AutoValueArray<MAX_ELEMS> elems(cx);
1.92 +
1.93 + for (size_t i = 0; i <= ArgCount; i++) {
1.94 + for (size_t j = 0; j <= ArgCount - i; j++) {
1.95 + ClearElements(elems);
1.96 + CHECK(argsobj->maybeGetElements(i, j, elems.begin()));
1.97 + for (size_t k = 0; k < j; k++)
1.98 + CHECK_SAME(elems[k], INT_TO_JSVAL(i + k));
1.99 + for (size_t k = j; k < MAX_ELEMS - 1; k++)
1.100 + CHECK_SAME(elems[k], JSVAL_NULL);
1.101 + CHECK_SAME(elems[MAX_ELEMS - 1], INT_TO_JSVAL(42));
1.102 + }
1.103 + }
1.104 +
1.105 + return true;
1.106 +}
1.107 +
1.108 +template <size_t N>
1.109 +static void
1.110 +ClearElements(JS::AutoValueArray<N> &elems)
1.111 +{
1.112 + for (size_t i = 0; i < elems.length() - 1; i++)
1.113 + elems[i].setNull();
1.114 + elems[elems.length() - 1].setInt32(42);
1.115 +}
1.116 +END_TEST(testArgumentsObject)
