The Tor Browser: js/src/jsapi-tests/testLooselyEqual.cpp@b8a032363ba2 (annotated)

js/src/jsapi-tests/testLooselyEqual.cpp@b8a032363ba2 (annotated)

js/src/jsapi-tests/testLooselyEqual.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

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <limits>
 #include <math.h>
 #include "jsapi-tests/tests.h"
 using namespace std;
 struct LooseEqualityFixture : public JSAPITest
 {
     virtual ~LooseEqualityFixture() {}
     bool leq(JS::HandleValue x, JS::HandleValue y) {
         bool equal;
         CHECK(JS_LooselyEqual(cx, x, y, &equal) && equal);
         CHECK(JS_LooselyEqual(cx, y, x, &equal) && equal);
         return true;
     }
     bool nleq(JS::HandleValue x, JS::HandleValue y) {
         bool equal;
         CHECK(JS_LooselyEqual(cx, x, y, &equal) && !equal);
         CHECK(JS_LooselyEqual(cx, y, x, &equal) && !equal);
         return true;
     }
 };
 struct LooseEqualityData
 {
     JS::RootedValue qNaN;
     JS::RootedValue sNaN;
     JS::RootedValue d42;
     JS::RootedValue i42;
     JS::RootedValue undef;
     JS::RootedValue null;
     JS::RootedValue obj;
     JS::RootedValue poszero;
     JS::RootedValue negzero;
     LooseEqualityData(JSContext *cx)
       : qNaN(cx),
         sNaN(cx),
         d42(cx),
         i42(cx),
         undef(cx),
         null(cx),
         obj(cx),
         poszero(cx),
         negzero(cx)
     {
         qNaN = DOUBLE_TO_JSVAL(numeric_limits<double>::quiet_NaN());
         sNaN = DOUBLE_TO_JSVAL(numeric_limits<double>::signaling_NaN());
         d42 = DOUBLE_TO_JSVAL(42.0);
         i42 = INT_TO_JSVAL(42);
         undef = JSVAL_VOID;
         null = JSVAL_NULL;
         obj = OBJECT_TO_JSVAL(JS::CurrentGlobalOrNull(cx));
         poszero = DOUBLE_TO_JSVAL(0.0);
         negzero = DOUBLE_TO_JSVAL(-0.0);
 #ifdef XP_WIN
 # define copysign _copysign
 #endif
         JS_ASSERT(copysign(1.0, JSVAL_TO_DOUBLE(poszero)) == 1.0);
         JS_ASSERT(copysign(1.0, JSVAL_TO_DOUBLE(negzero)) == -1.0);
 #ifdef XP_WIN
 # undef copysign
 #endif
     }
 };
 // 11.9.3 1a
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_undef_leq_undef)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.undef, d.undef));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_undef_leq_undef)
 // 11.9.3 1b
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_null_leq_null)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.null, d.null));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_null_leq_null)
 // 11.9.3 1ci
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_nan_nleq_all)
 {
     LooseEqualityData d(cx);
     CHECK(nleq(d.qNaN, d.qNaN));
     CHECK(nleq(d.qNaN, d.sNaN));
     CHECK(nleq(d.sNaN, d.sNaN));
     CHECK(nleq(d.sNaN, d.qNaN));
     CHECK(nleq(d.qNaN, d.d42));
     CHECK(nleq(d.qNaN, d.i42));
     CHECK(nleq(d.qNaN, d.undef));
     CHECK(nleq(d.qNaN, d.null));
     CHECK(nleq(d.qNaN, d.obj));
     CHECK(nleq(d.sNaN, d.d42));
     CHECK(nleq(d.sNaN, d.i42));
     CHECK(nleq(d.sNaN, d.undef));
     CHECK(nleq(d.sNaN, d.null));
     CHECK(nleq(d.sNaN, d.obj));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_nan_nleq_all)
 // 11.9.3 1cii
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_all_nleq_nan)
 {
     LooseEqualityData d(cx);
     CHECK(nleq(d.qNaN, d.qNaN));
     CHECK(nleq(d.qNaN, d.sNaN));
     CHECK(nleq(d.sNaN, d.sNaN));
     CHECK(nleq(d.sNaN, d.qNaN));
     CHECK(nleq(d.d42,   d.qNaN));
     CHECK(nleq(d.i42,   d.qNaN));
     CHECK(nleq(d.undef, d.qNaN));
     CHECK(nleq(d.null,  d.qNaN));
     CHECK(nleq(d.obj,   d.qNaN));
     CHECK(nleq(d.d42,   d.sNaN));
     CHECK(nleq(d.i42,   d.sNaN));
     CHECK(nleq(d.undef, d.sNaN));
     CHECK(nleq(d.null,  d.sNaN));
     CHECK(nleq(d.obj,   d.sNaN));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_all_nleq_nan)
 // 11.9.3 1ciii
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_leq_same_nums)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.d42, d.d42));
     CHECK(leq(d.i42, d.i42));
     CHECK(leq(d.d42, d.i42));
     CHECK(leq(d.i42, d.d42));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_leq_same_nums)
 // 11.9.3 1civ
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_pz_leq_nz)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.poszero, d.negzero));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_pz_leq_nz)
 // 11.9.3 1cv
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_nz_leq_pz)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.negzero, d.poszero));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_nz_leq_pz)
 // 1cvi onwards NOT TESTED
 // 11.9.3 2
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_null_leq_undef)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.null, d.undef));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_null_leq_undef)
 // 11.9.3 3
 BEGIN_FIXTURE_TEST(LooseEqualityFixture, test_undef_leq_null)
 {
     LooseEqualityData d(cx);
     CHECK(leq(d.undef, d.null));
     return true;
 }
 END_FIXTURE_TEST(LooseEqualityFixture, test_undef_leq_null)
 // 4 onwards NOT TESTED

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js/src/jsapi-tests/testLooselyEqual.cpp@b8a032363ba2 (annotated)

js/src/jsapi-tests/testLooselyEqual.cpp