84 lines
3.3 KiB
C++
84 lines
3.3 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "suggest/core/layout/geometry_utils.h"
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#include <gtest/gtest.h>
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namespace latinime {
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namespace {
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::testing::AssertionResult ExpectAngleDiffEq(const char* expectedExpression,
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const char* actualExpression, float expected, float actual) {
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if (actual < 0.0f || M_PI_F < actual) {
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return ::testing::AssertionFailure()
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<< "Must be in the range of [0.0f, M_PI_F]."
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<< " expected: " << expected
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<< " actual: " << actual;
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}
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return ::testing::internal::CmpHelperFloatingPointEQ<float>(
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expectedExpression, actualExpression, expected, actual);
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}
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#define EXPECT_ANGLE_DIFF_EQ(expected, actual) \
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EXPECT_PRED_FORMAT2(ExpectAngleDiffEq, expected, actual);
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TEST(GeometryUtilsTest, testSquareFloat) {
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const float test_data[] = { 0.0f, 1.0f, 123.456f, -1.0f, -9876.54321f };
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for (const float value : test_data) {
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EXPECT_FLOAT_EQ(value * value, GeometryUtils::SQUARE_FLOAT(value));
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}
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}
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TEST(GeometryUtilsTest, testGetAngle) {
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EXPECT_FLOAT_EQ(0.0f, GeometryUtils::getAngle(0, 0, 0, 0));
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EXPECT_FLOAT_EQ(0.0f, GeometryUtils::getAngle(100, -10, 100, -10));
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EXPECT_FLOAT_EQ(M_PI_F / 4.0f, GeometryUtils::getAngle(1, 1, 0, 0));
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EXPECT_FLOAT_EQ(M_PI_F, GeometryUtils::getAngle(-1, 0, 0, 0));
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EXPECT_FLOAT_EQ(GeometryUtils::getAngle(0, 0, -1, 0), GeometryUtils::getAngle(1, 0, 0, 0));
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EXPECT_FLOAT_EQ(GeometryUtils::getAngle(1, 2, 3, 4),
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GeometryUtils::getAngle(100, 200, 300, 400));
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}
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TEST(GeometryUtilsTest, testGetAngleDiff) {
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EXPECT_ANGLE_DIFF_EQ(0.0f, GeometryUtils::getAngleDiff(0.0f, 0.0f));
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EXPECT_ANGLE_DIFF_EQ(0.0f, GeometryUtils::getAngleDiff(10000.0f, 10000.0f));
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EXPECT_ANGLE_DIFF_EQ(ROUND_FLOAT_10000(M_PI_F),
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GeometryUtils::getAngleDiff(0.0f, M_PI_F));
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EXPECT_ANGLE_DIFF_EQ(ROUND_FLOAT_10000(M_PI_F / 6.0f),
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GeometryUtils::getAngleDiff(M_PI_F / 3.0f, M_PI_F / 2.0f));
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EXPECT_ANGLE_DIFF_EQ(ROUND_FLOAT_10000(M_PI_F / 2.0f),
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GeometryUtils::getAngleDiff(0.0f, M_PI_F * 1.5f));
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EXPECT_ANGLE_DIFF_EQ(0.0f, GeometryUtils::getAngleDiff(0.0f, M_PI_F * 1024.0f));
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EXPECT_ANGLE_DIFF_EQ(0.0f, GeometryUtils::getAngleDiff(-M_PI_F, M_PI_F));
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}
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TEST(GeometryUtilsTest, testGetDistanceInt) {
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EXPECT_EQ(0, GeometryUtils::getDistanceInt(0, 0, 0, 0));
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EXPECT_EQ(0, GeometryUtils::getAngle(100, -10, 100, -10));
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EXPECT_EQ(5, GeometryUtils::getDistanceInt(0, 0, 5, 0));
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EXPECT_EQ(5, GeometryUtils::getDistanceInt(0, 0, 3, 4));
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EXPECT_EQ(5, GeometryUtils::getDistanceInt(0, -4, 3, 0));
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EXPECT_EQ(5, GeometryUtils::getDistanceInt(0, 0, -3, -4));
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EXPECT_EQ(500, GeometryUtils::getDistanceInt(0, 0, 300, -400));
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}
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} // namespace
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} // namespace latinime
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