js/src/jsapi-tests/testArgumentsObject.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
     2  * vim: set ts=8 sts=4 et sw=4 tw=99:
     3  */
     4 /* This Source Code Form is subject to the terms of the Mozilla Public
     5  * License, v. 2.0. If a copy of the MPL was not distributed with this
     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     8 #include "jsapi-tests/tests.h"
    10 #include "jsobjinlines.h"
    12 #include "vm/ArgumentsObject-inl.h"
    14 using namespace js;
    16 static const char NORMAL_ZERO[] =
    17     "function f() { return arguments; }";
    18 static const char NORMAL_ONE[] =
    19     "function f(a) { return arguments; }";
    20 static const char NORMAL_TWO[] =
    21     "function f(a, b) { return arguments; }";
    22 static const char NORMAL_THREE[] =
    23     "function f(a, b, c) { return arguments; }";
    25 static const char STRICT_ZERO[] =
    26     "function f() { 'use strict'; return arguments; }";
    27 static const char STRICT_ONE[] =
    28     "function f() { 'use strict'; return arguments; }";
    29 static const char STRICT_TWO[] =
    30     "function f() { 'use strict'; return arguments; }";
    31 static const char STRICT_THREE[] =
    32     "function f() { 'use strict'; return arguments; }";
    34 static const char * const CALL_CODES[] =
    35     { "f()", "f(0)", "f(0, 1)", "f(0, 1, 2)", "f(0, 1, 2, 3)", "f(0, 1, 2, 3, 4)" };
    37 BEGIN_TEST(testArgumentsObject)
    38 {
    39     return ExhaustiveTest<0>(NORMAL_ZERO) &&
    40            ExhaustiveTest<1>(NORMAL_ZERO) &&
    41            ExhaustiveTest<2>(NORMAL_ZERO) &&
    42            ExhaustiveTest<0>(NORMAL_ONE) &&
    43            ExhaustiveTest<1>(NORMAL_ONE) &&
    44            ExhaustiveTest<2>(NORMAL_ONE) &&
    45            ExhaustiveTest<3>(NORMAL_ONE) &&
    46            ExhaustiveTest<0>(NORMAL_TWO) &&
    47            ExhaustiveTest<1>(NORMAL_TWO) &&
    48            ExhaustiveTest<2>(NORMAL_TWO) &&
    49            ExhaustiveTest<3>(NORMAL_TWO) &&
    50            ExhaustiveTest<4>(NORMAL_TWO) &&
    51            ExhaustiveTest<0>(NORMAL_THREE) &&
    52            ExhaustiveTest<1>(NORMAL_THREE) &&
    53            ExhaustiveTest<2>(NORMAL_THREE) &&
    54            ExhaustiveTest<3>(NORMAL_THREE) &&
    55            ExhaustiveTest<4>(NORMAL_THREE) &&
    56            ExhaustiveTest<5>(NORMAL_THREE) &&
    57            ExhaustiveTest<0>(STRICT_ZERO) &&
    58            ExhaustiveTest<1>(STRICT_ZERO) &&
    59            ExhaustiveTest<2>(STRICT_ZERO) &&
    60            ExhaustiveTest<0>(STRICT_ONE) &&
    61            ExhaustiveTest<1>(STRICT_ONE) &&
    62            ExhaustiveTest<2>(STRICT_ONE) &&
    63            ExhaustiveTest<3>(STRICT_ONE) &&
    64            ExhaustiveTest<0>(STRICT_TWO) &&
    65            ExhaustiveTest<1>(STRICT_TWO) &&
    66            ExhaustiveTest<2>(STRICT_TWO) &&
    67            ExhaustiveTest<3>(STRICT_TWO) &&
    68            ExhaustiveTest<4>(STRICT_TWO) &&
    69            ExhaustiveTest<0>(STRICT_THREE) &&
    70            ExhaustiveTest<1>(STRICT_THREE) &&
    71            ExhaustiveTest<2>(STRICT_THREE) &&
    72            ExhaustiveTest<3>(STRICT_THREE) &&
    73            ExhaustiveTest<4>(STRICT_THREE) &&
    74            ExhaustiveTest<5>(STRICT_THREE);
    75 }
    77 static const size_t MAX_ELEMS = 6;
    79 template<size_t ArgCount> bool
    80 ExhaustiveTest(const char funcode[])
    81 {
    82     RootedValue v(cx);
    83     EVAL(funcode, &v);
    85     EVAL(CALL_CODES[ArgCount], &v);
    86     Rooted<ArgumentsObject*> argsobj(cx, &JSVAL_TO_OBJECT(v)->as<ArgumentsObject>());
    88     JS::AutoValueArray<MAX_ELEMS> elems(cx);
    90     for (size_t i = 0; i <= ArgCount; i++) {
    91         for (size_t j = 0; j <= ArgCount - i; j++) {
    92             ClearElements(elems);
    93             CHECK(argsobj->maybeGetElements(i, j, elems.begin()));
    94             for (size_t k = 0; k < j; k++)
    95                 CHECK_SAME(elems[k], INT_TO_JSVAL(i + k));
    96             for (size_t k = j; k < MAX_ELEMS - 1; k++)
    97                 CHECK_SAME(elems[k], JSVAL_NULL);
    98             CHECK_SAME(elems[MAX_ELEMS - 1], INT_TO_JSVAL(42));
    99         }
   100     }
   102     return true;
   103 }
   105 template <size_t N>
   106 static void
   107 ClearElements(JS::AutoValueArray<N> &elems)
   108 {
   109     for (size_t i = 0; i < elems.length() - 1; i++)
   110         elems[i].setNull();
   111     elems[elems.length() - 1].setInt32(42);
   112 }
   113 END_TEST(testArgumentsObject)

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