76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#include "BaseTestCase.h"
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#include "NoiseGenerator.h"
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TEST(NoiseGenerator, getRange)
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{
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NoiseGenerator* noise;
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double minvalue, maxvalue;
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noise = new NoiseGenerator();
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noise->addLevelSimple(0.1, -1.0, 1.0);
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noise->addLevelSimple(0.2, -0.5, 0.2);
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noise->addLevelSimple(0.4, -0.3, 1.2);
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noise->validate();
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noise->getRange(&minvalue, &maxvalue);
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EXPECT_DOUBLE_EQ(minvalue, -1.8);
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EXPECT_DOUBLE_EQ(maxvalue, 2.4);
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delete noise;
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}
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TEST(NoiseGenerator, normalizeAmplitude)
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{
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int x;
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NoiseGenerator* noise;
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noise = new NoiseGenerator();
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/* Symmetric case */
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noise->addLevelsSimple(10, 1.0, -4.0, 4.0, 0.5);
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noise->validate();
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noise->normalizeAmplitude(-1.0, 1.0, 0);
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for (x = 0; x < 1000; x++)
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{
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double value = noise->get1DTotal(0.01 * (double)x);
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ASSERT_DOUBLE_IN_RANGE(value, -1.0, 1.0);
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}
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/* Target center differs from current center */
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noise->clearLevels();
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noise->addLevelsSimple(10, 1.0, -5.0, 5.0, 0.5);
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noise->validate();
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noise->normalizeAmplitude(0.0, 1.0, 0);
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for (x = 0; x < 1000; x++)
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{
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double value = noise->get1DTotal(0.01 * (double)x);
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ASSERT_DOUBLE_IN_RANGE(value, 0.0, 1.0);
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}
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/* Asymmetric range */
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noise->clearLevels();
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noise->addLevelsSimple(10, 1.0, 0.0, 10.0, 0.0);
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noise->validate();
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noise->normalizeAmplitude(0.0, 1.0, 0);
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for (x = 0; x < 1000; x++)
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{
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double value = noise->get1DTotal(0.01 * (double)x);
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ASSERT_DOUBLE_IN_RANGE(value, 0.0, 1.0);
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}
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/* Complex asymmetric case */
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noise->clearLevels();
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noise->addLevelsSimple(3, 1.0, -2.0, 8.0, 0.3);
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noise->validate();
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noise->normalizeAmplitude(-2.0, 4.0, 0.0);
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for (x = 0; x < 1000; x++)
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{
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double value = noise->get1DTotal(0.01 * (double)x);
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ASSERT_DOUBLE_IN_RANGE(value, -2.0, 4.0);
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}
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delete noise;
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}
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