blob: 6624e793d0b29bb3908bf15b8d6ae52c077bb88c [file] [log] [blame]
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_NDEBUG 0
#define LOG_TAG "VendorTagDescriptorTests"
#include <binder/Parcel.h>
#include <camera/VendorTagDescriptor.h>
#include <camera_metadata_tests_fake_vendor.h>
#include <camera_metadata_hidden.h>
#include <system/camera_vendor_tags.h>
#include <utils/Errors.h>
#include <utils/Log.h>
#include <utils/RefBase.h>
#include <gtest/gtest.h>
#include <stdint.h>
using namespace android;
enum {
BAD_TAG_ARRAY = 0xDEADBEEFu,
BAD_TAG = 0x8DEADBADu,
};
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
static bool ContainsTag(uint32_t* tagArray, size_t size, uint32_t tag) {
for (size_t i = 0; i < size; ++i) {
if (tag == tagArray[i]) return true;
}
return false;
}
#define EXPECT_CONTAINS_TAG(t, a) \
EXPECT_TRUE(ContainsTag(a, ARRAY_SIZE(a), t))
#define ASSERT_NOT_NULL(x) \
ASSERT_TRUE((x) != NULL)
extern "C" {
static int default_get_tag_count(const vendor_tag_ops_t* vOps) {
return VENDOR_TAG_COUNT_ERR;
}
static void default_get_all_tags(const vendor_tag_ops_t* vOps, uint32_t* tagArray) {
//Noop
}
static const char* default_get_section_name(const vendor_tag_ops_t* vOps, uint32_t tag) {
return VENDOR_SECTION_NAME_ERR;
}
static const char* default_get_tag_name(const vendor_tag_ops_t* vOps, uint32_t tag) {
return VENDOR_TAG_NAME_ERR;
}
static int default_get_tag_type(const vendor_tag_ops_t* vOps, uint32_t tag) {
return VENDOR_TAG_TYPE_ERR;
}
} /*extern "C"*/
// Set default vendor operations for a vendor_tag_ops struct
static void FillWithDefaults(vendor_tag_ops_t* vOps) {
ASSERT_NOT_NULL(vOps);
vOps->get_tag_count = default_get_tag_count;
vOps->get_all_tags = default_get_all_tags;
vOps->get_section_name = default_get_section_name;
vOps->get_tag_name = default_get_tag_name;
vOps->get_tag_type = default_get_tag_type;
}
/**
* Test if values from VendorTagDescriptor methods match corresponding values
* from vendor_tag_ops functions.
*/
TEST(VendorTagDescriptorTest, ConsistentWithVendorTags) {
sp<VendorTagDescriptor> vDesc;
const vendor_tag_ops_t *vOps = &fakevendor_ops;
EXPECT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(vOps, /*out*/vDesc));
ASSERT_NOT_NULL(vDesc);
// Ensure reasonable tag count
int tagCount = vDesc->getTagCount();
EXPECT_EQ(tagCount, vOps->get_tag_count(vOps));
uint32_t descTagArray[tagCount];
uint32_t opsTagArray[tagCount];
// Get all tag ids
vDesc->getTagArray(descTagArray);
vOps->get_all_tags(vOps, opsTagArray);
ASSERT_NOT_NULL(descTagArray);
ASSERT_NOT_NULL(opsTagArray);
uint32_t tag;
for (int i = 0; i < tagCount; ++i) {
// For each tag id, check whether type, section name, tag name match
tag = descTagArray[i];
EXPECT_CONTAINS_TAG(tag, opsTagArray);
EXPECT_EQ(vDesc->getTagType(tag), vOps->get_tag_type(vOps, tag));
EXPECT_STREQ(vDesc->getSectionName(tag), vOps->get_section_name(vOps, tag));
EXPECT_STREQ(vDesc->getTagName(tag), vOps->get_tag_name(vOps, tag));
}
}
/**
* Test if values from VendorTagDescriptor methods stay consistent after being
* parcelled/unparcelled.
*/
TEST(VendorTagDescriptorTest, ConsistentAcrossParcel) {
sp<VendorTagDescriptor> vDescOriginal, vDescParceled;
const vendor_tag_ops_t *vOps = &fakevendor_ops;
EXPECT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(vOps, /*out*/vDescOriginal));
ASSERT_TRUE(vDescOriginal != NULL);
Parcel p;
// Check whether parcel read/write succeed
EXPECT_EQ(OK, vDescOriginal->writeToParcel(&p));
p.setDataPosition(0);
ASSERT_EQ(OK, VendorTagDescriptor::createFromParcel(&p, vDescParceled));
// Ensure consistent tag count
int tagCount = vDescOriginal->getTagCount();
ASSERT_EQ(tagCount, vDescParceled->getTagCount());
uint32_t descTagArray[tagCount];
uint32_t desc2TagArray[tagCount];
// Get all tag ids
vDescOriginal->getTagArray(descTagArray);
vDescParceled->getTagArray(desc2TagArray);
ASSERT_NOT_NULL(descTagArray);
ASSERT_NOT_NULL(desc2TagArray);
uint32_t tag;
for (int i = 0; i < tagCount; ++i) {
// For each tag id, check consistency between the two vendor tag
// descriptors for each type, section name, tag name
tag = descTagArray[i];
EXPECT_CONTAINS_TAG(tag, desc2TagArray);
EXPECT_EQ(vDescOriginal->getTagType(tag), vDescParceled->getTagType(tag));
EXPECT_STREQ(vDescOriginal->getSectionName(tag), vDescParceled->getSectionName(tag));
EXPECT_STREQ(vDescOriginal->getTagName(tag), vDescParceled->getTagName(tag));
}
}
/**
* Test defaults and error conditions.
*/
TEST(VendorTagDescriptorTest, ErrorConditions) {
sp<VendorTagDescriptor> vDesc;
vendor_tag_ops_t vOps;
FillWithDefaults(&vOps);
// Ensure create fails when using null vOps
EXPECT_EQ(BAD_VALUE, VendorTagDescriptor::createDescriptorFromOps(/*vOps*/NULL, vDesc));
// Ensure create works when there are no vtags defined in a well-formed vOps
ASSERT_EQ(OK, VendorTagDescriptor::createDescriptorFromOps(&vOps, vDesc));
// Ensure defaults are returned when no vtags are defined, or tag is unknown
EXPECT_EQ(VENDOR_TAG_COUNT_ERR, vDesc->getTagCount());
uint32_t* tagArray = reinterpret_cast<uint32_t*>(BAD_TAG_ARRAY);
uint32_t* testArray = tagArray;
vDesc->getTagArray(tagArray);
EXPECT_EQ(testArray, tagArray);
EXPECT_EQ(VENDOR_SECTION_NAME_ERR, vDesc->getSectionName(BAD_TAG));
EXPECT_EQ(VENDOR_TAG_NAME_ERR, vDesc->getTagName(BAD_TAG));
EXPECT_EQ(VENDOR_TAG_TYPE_ERR, vDesc->getTagType(BAD_TAG));
// Make sure global can be set/cleared
const vendor_tag_ops_t *fakeOps = &fakevendor_ops;
sp<VendorTagDescriptor> prevGlobal = VendorTagDescriptor::getGlobalVendorTagDescriptor();
VendorTagDescriptor::clearGlobalVendorTagDescriptor();
EXPECT_TRUE(VendorTagDescriptor::getGlobalVendorTagDescriptor() == NULL);
EXPECT_EQ(OK, VendorTagDescriptor::setAsGlobalVendorTagDescriptor(vDesc));
EXPECT_TRUE(VendorTagDescriptor::getGlobalVendorTagDescriptor() != NULL);
EXPECT_EQ(VENDOR_SECTION_NAME_ERR, vDesc->getSectionName(BAD_TAG));
EXPECT_EQ(OK, VendorTagDescriptor::setAsGlobalVendorTagDescriptor(prevGlobal));
EXPECT_EQ(prevGlobal, VendorTagDescriptor::getGlobalVendorTagDescriptor());
}