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// Copyright (c) 2014 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 "buffer_share.h"
#include "cras_types.h"
}
namespace {
class BufferShareTestSuite : public testing::Test {
protected:
virtual void SetUp() {}
virtual void TearDown() {}
};
TEST_F(BufferShareTestSuite, Create) {
buffer_share* dm = buffer_share_create(1024);
EXPECT_NE(static_cast<buffer_share*>(NULL), dm);
buffer_share_destroy(dm);
}
TEST_F(BufferShareTestSuite, AddRmDev) {
buffer_share* dm = buffer_share_create(1024);
int rc;
rc = buffer_share_add_id(dm, 0xf00, NULL);
EXPECT_EQ(0, rc);
rc = buffer_share_add_id(dm, 0xf00, NULL);
EXPECT_NE(0, rc);
rc = buffer_share_rm_id(dm, 0xf00);
EXPECT_EQ(0, rc);
rc = buffer_share_rm_id(dm, 0xf00);
EXPECT_NE(0, rc);
buffer_share_destroy(dm);
}
TEST_F(BufferShareTestSuite, AddManyDevs) {
buffer_share* dm = buffer_share_create(1024);
for (unsigned int i = 0; i < INITIAL_ID_SIZE; i++)
EXPECT_EQ(0, buffer_share_add_id(dm, 0xf00 + i, NULL));
EXPECT_EQ(0, buffer_share_add_id(dm, 0xf00 + INITIAL_ID_SIZE, NULL));
EXPECT_EQ(0, buffer_share_rm_id(dm, 0xf00 + INITIAL_ID_SIZE));
for (unsigned int i = 0; i < INITIAL_ID_SIZE; i++)
EXPECT_EQ(0, buffer_share_rm_id(dm, 0xf00 + i));
buffer_share_destroy(dm);
}
TEST_F(BufferShareTestSuite, OneDev) {
buffer_share* dm = buffer_share_create(1024);
int rc;
rc = buffer_share_add_id(dm, 0xf00, NULL);
EXPECT_EQ(0, rc);
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_destroy(dm);
}
TEST_F(BufferShareTestSuite, TwoDevs) {
buffer_share* dm = buffer_share_create(1024);
int rc;
rc = buffer_share_add_id(dm, 0xf00, NULL);
EXPECT_EQ(0, rc);
rc = buffer_share_add_id(dm, 0xf02, NULL);
EXPECT_EQ(0, rc);
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(0, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf02, 750);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(250, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf02, 750);
EXPECT_EQ(250, buffer_share_get_new_write_point(dm));
buffer_share_offset_update(dm, 0xf00, 500);
EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
buffer_share_destroy(dm);
}
} // namespace
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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