| /* |
| * Copyright (C) 2014 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "sky/engine/platform/geometry/FloatBoxTestHelpers.h" |
| |
| #include "sky/engine/platform/geometry/FloatBox.h" |
| const static float kTestEpsilon = 1e-6; |
| |
| void blink::PrintTo(const FloatBox& box, ::std::ostream* os) |
| { |
| *os << "FloatBox(" |
| << box.x() << ", " |
| << box.y() << ", " |
| << box.z() << ", " |
| << box.width() << ", " |
| << box.height() << ", " |
| << box.depth() << ")"; |
| } |
| |
| bool blink::FloatBoxTest::ApproximatelyEqual(const float& a, const float& b) |
| { |
| float absA = ::fabs(a); |
| float absB = ::fabs(b); |
| float absErr = ::fabs(a - b); |
| if (a == b) |
| return true; |
| |
| if (a == 0 || b == 0 || absErr < std::numeric_limits<float>::min()) |
| return absErr < (kTestEpsilon * std::numeric_limits<float>::min()); |
| |
| return ((absErr / (absA + absB)) < kTestEpsilon); |
| } |
| |
| bool blink::FloatBoxTest::ApproximatelyEqual(const FloatBox& a, const FloatBox& b) |
| { |
| if (!ApproximatelyEqual(a.x(), b.x()) |
| || !ApproximatelyEqual(a.y(), b.y()) |
| || !ApproximatelyEqual(a.z(), b.z()) |
| || !ApproximatelyEqual(a.width(), b.width()) |
| || !ApproximatelyEqual(a.height(), b.height()) |
| || !ApproximatelyEqual(a.depth(), b.depth())) { |
| return false; |
| } |
| return true; |
| } |
| |
| ::testing::AssertionResult blink::FloatBoxTest::AssertAlmostEqual(const char* m_expr, const char* n_expr, const FloatBox& m, const FloatBox& n) |
| { |
| if (!ApproximatelyEqual(m, n)) { |
| return ::testing::AssertionFailure() << " Value of:" << n_expr << std::endl |
| << " Actual:" << testing::PrintToString(n) << std::endl |
| << "Expected Approx:" << m_expr << std::endl |
| << " Which is:" << ::testing::PrintToString(m); |
| } |
| return ::testing::AssertionSuccess(); |
| } |
| |
| ::testing::AssertionResult blink::FloatBoxTest::AssertContains(const char* m_expr, const char* n_expr, const FloatBox& m, const FloatBox& n) |
| { |
| FloatBox newM = m; |
| newM.expandTo(n); |
| if (!ApproximatelyEqual(m, newM)) { |
| return ::testing::AssertionFailure() << " Value of:" << n_expr << std::endl |
| << " Actual:" << testing::PrintToString(n) << std::endl |
| << "Not Contained in:" << m_expr << std::endl |
| << " Which is:" << ::testing::PrintToString(m); |
| } |
| return ::testing::AssertionSuccess(); |
| } |
| |
| |