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#define LOG_NDEBUG 0 18#define LOG_TAG "VendorTagDescriptorTests" 19 20#include <binder/Parcel.h> 21#include <camera/VendorTagDescriptor.h> 22#include <camera_metadata_tests_fake_vendor.h> 23#include <camera_metadata_hidden.h> 24#include <system/camera_vendor_tags.h> 25#include <utils/Errors.h> 26#include <utils/Log.h> 27#include <utils/RefBase.h> 28 29#include <gtest/gtest.h> 30#include <stdint.h> 31 32using namespace android; 33 34enum { 35 BAD_TAG_ARRAY = 0xDEADBEEFu, 36 BAD_TAG = 0x8DEADBADu, 37}; 38 39#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) 40 41static bool ContainsTag(uint32_t* tagArray, size_t size, uint32_t tag) { 42 for (size_t i = 0; i < size; ++i) { 43 if (tag == tagArray[i]) return true; 44 } 45 return false; 46} 47 48#define EXPECT_CONTAINS_TAG(t, a) \ 49 EXPECT_TRUE(ContainsTag(a, ARRAY_SIZE(a), t)) 50 51#define ASSERT_NOT_NULL(x) \ 52 ASSERT_TRUE((x) != NULL) 53 54extern "C" { 55 56static int zero_get_tag_count(const vendor_tag_ops_t*) { 57 return 0; 58} 59 60static int default_get_tag_count(const vendor_tag_ops_t*) { 61 return VENDOR_TAG_COUNT_ERR; 62} 63 64static void default_get_all_tags(const vendor_tag_ops_t*, uint32_t*) { 65 //Noop 66} 67 68static const char* default_get_section_name(const vendor_tag_ops_t*, uint32_t) { 69 return VENDOR_SECTION_NAME_ERR; 70} 71 72static const char* default_get_tag_name(const vendor_tag_ops_t*, uint32_t) { 73 return VENDOR_TAG_NAME_ERR; 74} 75 76static int default_get_tag_type(const vendor_tag_ops_t*, uint32_t) { 77 return VENDOR_TAG_TYPE_ERR; 78} 79 80} /*extern "C"*/ 81 82// Set default vendor operations for a vendor_tag_ops struct 83static void FillWithDefaults(vendor_tag_ops_t* vOps) { 84 ASSERT_NOT_NULL(vOps); 85 vOps->get_tag_count = default_get_tag_count; 86 vOps->get_all_tags = default_get_all_tags; 87 vOps->get_section_name = default_get_section_name; 88 vOps->get_tag_name = default_get_tag_name; 89 vOps->get_tag_type = default_get_tag_type; 90} 91 92/** 93 * Test if values from VendorTagDescriptor methods match corresponding values 94 * from vendor_tag_ops functions. 95 */ 96TEST(VendorTagDescriptorTest, ConsistentWithVendorTags) { 97 sp<VendorTagDescriptor> vDesc; 98 const vendor_tag_ops_t *vOps = &fakevendor_ops; 99 EXPECT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(vOps, /*out*/vDesc)); 100 101 ASSERT_NOT_NULL(vDesc); 102 103 // Ensure reasonable tag count 104 int tagCount = vDesc->getTagCount(); 105 EXPECT_EQ(tagCount, vOps->get_tag_count(vOps)); 106 107 uint32_t descTagArray[tagCount]; 108 uint32_t opsTagArray[tagCount]; 109 110 // Get all tag ids 111 vDesc->getTagArray(descTagArray); 112 vOps->get_all_tags(vOps, opsTagArray); 113 114 ASSERT_NOT_NULL(descTagArray); 115 ASSERT_NOT_NULL(opsTagArray); 116 117 uint32_t tag; 118 for (int i = 0; i < tagCount; ++i) { 119 // For each tag id, check whether type, section name, tag name match 120 tag = descTagArray[i]; 121 EXPECT_CONTAINS_TAG(tag, opsTagArray); 122 EXPECT_EQ(vDesc->getTagType(tag), vOps->get_tag_type(vOps, tag)); 123 EXPECT_STREQ(vDesc->getSectionName(tag), vOps->get_section_name(vOps, tag)); 124 EXPECT_STREQ(vDesc->getTagName(tag), vOps->get_tag_name(vOps, tag)); 125 } 126} 127 128/** 129 * Test if values from VendorTagDescriptor methods stay consistent after being 130 * parcelled/unparcelled. 131 */ 132TEST(VendorTagDescriptorTest, ConsistentAcrossParcel) { 133 sp<VendorTagDescriptor> vDescOriginal, vDescParceled; 134 const vendor_tag_ops_t *vOps = &fakevendor_ops; 135 EXPECT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(vOps, /*out*/vDescOriginal)); 136 137 ASSERT_TRUE(vDescOriginal != NULL); 138 139 Parcel p; 140 141 // Check whether parcel read/write succeed 142 EXPECT_EQ(OK, vDescOriginal->writeToParcel(&p)); 143 p.setDataPosition(0); 144 145 ASSERT_EQ(OK, vDescParceled->readFromParcel(&p)); 146 147 // Ensure consistent tag count 148 int tagCount = vDescOriginal->getTagCount(); 149 ASSERT_EQ(tagCount, vDescParceled->getTagCount()); 150 151 uint32_t descTagArray[tagCount]; 152 uint32_t desc2TagArray[tagCount]; 153 154 // Get all tag ids 155 vDescOriginal->getTagArray(descTagArray); 156 vDescParceled->getTagArray(desc2TagArray); 157 158 ASSERT_NOT_NULL(descTagArray); 159 ASSERT_NOT_NULL(desc2TagArray); 160 161 uint32_t tag; 162 for (int i = 0; i < tagCount; ++i) { 163 // For each tag id, check consistency between the two vendor tag 164 // descriptors for each type, section name, tag name 165 tag = descTagArray[i]; 166 EXPECT_CONTAINS_TAG(tag, desc2TagArray); 167 EXPECT_EQ(vDescOriginal->getTagType(tag), vDescParceled->getTagType(tag)); 168 EXPECT_STREQ(vDescOriginal->getSectionName(tag), vDescParceled->getSectionName(tag)); 169 EXPECT_STREQ(vDescOriginal->getTagName(tag), vDescParceled->getTagName(tag)); 170 } 171} 172 173/** 174 * Test defaults and error conditions. 175 */ 176TEST(VendorTagDescriptorTest, ErrorConditions) { 177 sp<VendorTagDescriptor> vDesc; 178 vendor_tag_ops_t vOps; 179 FillWithDefaults(&vOps); 180 181 // Make empty tag count 182 vOps.get_tag_count = zero_get_tag_count; 183 184 // Ensure create fails when using null vOps 185 EXPECT_EQ(BAD_VALUE, VendorTagDescriptor::createDescriptorFromOps(/*vOps*/NULL, vDesc)); 186 187 // Ensure creat succeeds for empty vendor tag ops 188 ASSERT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(&vOps, vDesc)); 189 190 // Ensure defaults are returned when no vtags are defined, or tag is unknown 191 EXPECT_EQ(VENDOR_TAG_COUNT_ERR, vDesc->getTagCount()); 192 uint32_t* tagArray = reinterpret_cast<uint32_t*>(BAD_TAG_ARRAY); 193 uint32_t* testArray = tagArray; 194 vDesc->getTagArray(tagArray); 195 EXPECT_EQ(testArray, tagArray); 196 EXPECT_EQ(VENDOR_SECTION_NAME_ERR, vDesc->getSectionName(BAD_TAG)); 197 EXPECT_EQ(VENDOR_TAG_NAME_ERR, vDesc->getTagName(BAD_TAG)); 198 EXPECT_EQ(VENDOR_TAG_TYPE_ERR, vDesc->getTagType(BAD_TAG)); 199 200 // Make sure global can be set/cleared 201 sp<VendorTagDescriptor> prevGlobal = VendorTagDescriptor::getGlobalVendorTagDescriptor(); 202 VendorTagDescriptor::clearGlobalVendorTagDescriptor(); 203 204 EXPECT_TRUE(VendorTagDescriptor::getGlobalVendorTagDescriptor() == NULL); 205 EXPECT_EQ(OK, VendorTagDescriptor::setAsGlobalVendorTagDescriptor(vDesc)); 206 EXPECT_TRUE(VendorTagDescriptor::getGlobalVendorTagDescriptor() != NULL); 207 EXPECT_EQ(VENDOR_SECTION_NAME_ERR, vDesc->getSectionName(BAD_TAG)); 208 EXPECT_EQ(OK, VendorTagDescriptor::setAsGlobalVendorTagDescriptor(prevGlobal)); 209 EXPECT_EQ(prevGlobal, VendorTagDescriptor::getGlobalVendorTagDescriptor()); 210} 211