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