1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef __ANDROID_HAL_FINGERPRINT_TEST_COMMON__
18#define __ANDROID_HAL_FINGERPRINT_TEST_COMMON__
19
20#include <gtest/gtest.h>
21#include <hardware/hardware.h>
22#include <hardware/fingerprint.h>
23
24namespace tests {
25
26static const uint16_t kVersion = HARDWARE_MODULE_API_VERSION(1, 0);
27
28class FingerprintModule : public testing::Test {
29 public:
30    FingerprintModule() :
31        fp_module_(NULL) {}
32    ~FingerprintModule() {}
33 protected:
34    virtual void SetUp() {
35        const hw_module_t *hw_module = NULL;
36        ASSERT_EQ(0, hw_get_module(FINGERPRINT_HARDWARE_MODULE_ID, &hw_module))
37                    << "Can't get fingerprint module";
38        ASSERT_TRUE(NULL != hw_module)
39                    << "hw_get_module didn't return a valid fingerprint module";
40
41        fp_module_ = reinterpret_cast<const fingerprint_module_t*>(hw_module);
42    }
43    const fingerprint_module_t* fp_module() { return fp_module_; }
44 private:
45    const fingerprint_module_t *fp_module_;
46};
47
48class FingerprintDevice : public FingerprintModule {
49 public:
50    FingerprintDevice() :
51        fp_device_(NULL) {}
52    ~FingerprintDevice() {}
53 protected:
54    virtual void SetUp() {
55        FingerprintModule::SetUp();
56        hw_device_t *device = NULL;
57        ASSERT_TRUE(NULL != fp_module()->common.methods->open)
58                    << "Fingerprint open() is unimplemented";
59        ASSERT_EQ(0, fp_module()->common.methods->open(
60            (const hw_module_t*)fp_module(), NULL, &device))
61                << "Can't open fingerprint device";
62        ASSERT_TRUE(NULL != device)
63                    << "Fingerprint open() returned a NULL device";
64        ASSERT_EQ(kVersion, device->version)
65                    << "Unsupported version";
66        fp_device_ = reinterpret_cast<fingerprint_device_t*>(device);
67    }
68    fingerprint_device_t* fp_device() { return fp_device_; }
69 private:
70    fingerprint_device_t *fp_device_;
71};
72
73}  // namespace tests
74
75#endif  // __ANDROID_HAL_FINGERPRINT_TEST_COMMON__
76