1 // Copyright 2018 The Chromium OS Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <gtest/gtest.h>
6
7 #include "float_buffer.h"
8
9 namespace {
TEST(FloatBuffer,ReadWrite)10 TEST(FloatBuffer, ReadWrite) {
11 unsigned int readable = 10;
12 struct float_buffer *b = float_buffer_create(10, 2);
13 EXPECT_EQ(10, float_buffer_writable(b));
14
15 // (w, r)=(8, 0)
16 float_buffer_written(b, 8);
17 EXPECT_EQ(8, float_buffer_level(b));
18
19 float_buffer_read_pointer(b, 0, &readable);
20 EXPECT_EQ(8, readable);
21 EXPECT_EQ(2, float_buffer_writable(b));
22
23 readable = 10;
24 float_buffer_read_pointer(b, 3, &readable);
25 EXPECT_EQ(5, readable);
26
27 // (w, r)=(8, 6)
28 float_buffer_read(b, 6);
29 EXPECT_EQ(2, float_buffer_writable(b));
30
31 // (w, r)=(0, 6)
32 float_buffer_written(b, 2);
33 EXPECT_EQ(6, float_buffer_writable(b));
34
35 // (w, r)=(3, 6)
36 readable = 10;
37 float_buffer_written(b, 3);
38 float_buffer_read_pointer(b, 0, &readable);
39 EXPECT_EQ(4, readable);
40
41 readable = 10;
42 float_buffer_read_pointer(b, 1, &readable);
43 EXPECT_EQ(3, readable);
44
45 float_buffer_destroy(&b);
46 }
47
48 } // namespace
49
main(int argc,char ** argv)50 int main(int argc, char **argv) {
51 ::testing::InitGoogleTest(&argc, argv);
52 return RUN_ALL_TESTS();
53 }
54