1 // Copyright (c) 2014 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 #include <stdio.h>
7
8 extern "C" {
9 #include "buffer_share.h"
10 #include "cras_types.h"
11 }
12
13 namespace {
14
15 class BufferShareTestSuite : public testing::Test {
16 protected:
SetUp()17 virtual void SetUp() {}
18
TearDown()19 virtual void TearDown() {}
20 };
21
TEST_F(BufferShareTestSuite,Create)22 TEST_F(BufferShareTestSuite, Create) {
23 buffer_share* dm = buffer_share_create(1024);
24 EXPECT_NE(static_cast<buffer_share*>(NULL), dm);
25 buffer_share_destroy(dm);
26 }
27
TEST_F(BufferShareTestSuite,AddRmDev)28 TEST_F(BufferShareTestSuite, AddRmDev) {
29 buffer_share* dm = buffer_share_create(1024);
30 int rc;
31
32 rc = buffer_share_add_id(dm, 0xf00, NULL);
33 EXPECT_EQ(0, rc);
34 rc = buffer_share_add_id(dm, 0xf00, NULL);
35 EXPECT_NE(0, rc);
36
37 rc = buffer_share_rm_id(dm, 0xf00);
38 EXPECT_EQ(0, rc);
39 rc = buffer_share_rm_id(dm, 0xf00);
40 EXPECT_NE(0, rc);
41
42 buffer_share_destroy(dm);
43 }
44
TEST_F(BufferShareTestSuite,AddManyDevs)45 TEST_F(BufferShareTestSuite, AddManyDevs) {
46 buffer_share* dm = buffer_share_create(1024);
47
48 for (unsigned int i = 0; i < INITIAL_ID_SIZE; i++)
49 EXPECT_EQ(0, buffer_share_add_id(dm, 0xf00 + i, NULL));
50
51 EXPECT_EQ(0, buffer_share_add_id(dm, 0xf00 + INITIAL_ID_SIZE, NULL));
52 EXPECT_EQ(0, buffer_share_rm_id(dm, 0xf00 + INITIAL_ID_SIZE));
53
54 for (unsigned int i = 0; i < INITIAL_ID_SIZE; i++)
55 EXPECT_EQ(0, buffer_share_rm_id(dm, 0xf00 + i));
56
57 buffer_share_destroy(dm);
58 }
59
TEST_F(BufferShareTestSuite,OneDev)60 TEST_F(BufferShareTestSuite, OneDev) {
61 buffer_share* dm = buffer_share_create(1024);
62 int rc;
63
64 rc = buffer_share_add_id(dm, 0xf00, NULL);
65 EXPECT_EQ(0, rc);
66
67 buffer_share_offset_update(dm, 0xf00, 500);
68 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
69
70 buffer_share_offset_update(dm, 0xf00, 500);
71 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
72
73 buffer_share_offset_update(dm, 0xf00, 500);
74 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
75
76 buffer_share_offset_update(dm, 0xf00, 500);
77 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
78
79 buffer_share_destroy(dm);
80 }
81
TEST_F(BufferShareTestSuite,TwoDevs)82 TEST_F(BufferShareTestSuite, TwoDevs) {
83 buffer_share* dm = buffer_share_create(1024);
84 int rc;
85
86 rc = buffer_share_add_id(dm, 0xf00, NULL);
87 EXPECT_EQ(0, rc);
88 rc = buffer_share_add_id(dm, 0xf02, NULL);
89 EXPECT_EQ(0, rc);
90
91 buffer_share_offset_update(dm, 0xf00, 500);
92 EXPECT_EQ(0, buffer_share_get_new_write_point(dm));
93
94 buffer_share_offset_update(dm, 0xf02, 750);
95 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
96
97 buffer_share_offset_update(dm, 0xf00, 500);
98 EXPECT_EQ(250, buffer_share_get_new_write_point(dm));
99
100 buffer_share_offset_update(dm, 0xf02, 750);
101 EXPECT_EQ(250, buffer_share_get_new_write_point(dm));
102
103 buffer_share_offset_update(dm, 0xf00, 500);
104 EXPECT_EQ(500, buffer_share_get_new_write_point(dm));
105
106 buffer_share_destroy(dm);
107 }
108
109 } // namespace
110
main(int argc,char ** argv)111 int main(int argc, char** argv) {
112 ::testing::InitGoogleTest(&argc, argv);
113 return RUN_ALL_TESTS();
114 }
115