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// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <gtest/gtest.h>
#include <stdio.h>
extern "C" {
#include "cras_volume_curve.h"
}
namespace {
TEST(VolumeCurve, DefaultCurve) {
struct cras_volume_curve* curve;
curve = cras_volume_curve_create_default();
ASSERT_NE(static_cast<struct cras_volume_curve*>(NULL), curve);
EXPECT_EQ(0 - 50 * 50, curve->get_dBFS(curve, 50));
EXPECT_EQ(0, curve->get_dBFS(curve, 100));
EXPECT_EQ(0 - 100 * 50, curve->get_dBFS(curve, 0));
EXPECT_EQ(0 - 25 * 50, curve->get_dBFS(curve, 75));
cras_volume_curve_destroy(curve);
}
TEST(VolumeCurve, SteppedCurve) {
struct cras_volume_curve* curve;
curve = cras_volume_curve_create_simple_step(-600, 75);
ASSERT_NE(static_cast<struct cras_volume_curve*>(NULL), curve);
EXPECT_EQ(-600 - 50 * 75, curve->get_dBFS(curve, 50));
EXPECT_EQ(-600, curve->get_dBFS(curve, 100));
EXPECT_EQ(-600 - 100 * 75, curve->get_dBFS(curve, 0));
EXPECT_EQ(-600 - 25 * 75, curve->get_dBFS(curve, 75));
cras_volume_curve_destroy(curve);
}
TEST(VolumeCurve, ExplicitCurve) {
struct cras_volume_curve* curve;
long dB_vals[101];
for (unsigned int i = 0; i < 101; i++)
dB_vals[i] = i * 2 + -400;
curve = cras_volume_curve_create_explicit(dB_vals);
ASSERT_NE(static_cast<struct cras_volume_curve*>(NULL), curve);
for (unsigned int i = 0; i < 101; i++)
EXPECT_EQ(i * 2 - 400, curve->get_dBFS(curve, i));
cras_volume_curve_destroy(curve);
}
} // namespace
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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