// Copyright (c) 2014, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Unit test for MicrodumpProcessor.
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#include <fstream>
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#include <iostream>
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#include <string>
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#include <vector>
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#include "breakpad_googletest_includes.h"
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#include "google_breakpad/processor/basic_source_line_resolver.h"
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#include "google_breakpad/processor/call_stack.h"
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#include "google_breakpad/processor/microdump_processor.h"
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#include "google_breakpad/processor/process_state.h"
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#include "google_breakpad/processor/stack_frame.h"
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#include "google_breakpad/processor/stack_frame_symbolizer.h"
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#include "processor/simple_symbol_supplier.h"
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#include "processor/stackwalker_unittest_utils.h"
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namespace {
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using google_breakpad::BasicSourceLineResolver;
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using google_breakpad::MicrodumpProcessor;
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using google_breakpad::ProcessState;
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using google_breakpad::SimpleSymbolSupplier;
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using google_breakpad::StackFrameSymbolizer;
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class MicrodumpProcessorTest : public ::testing::Test {
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public:
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MicrodumpProcessorTest()
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: files_path_(string(getenv("srcdir") ? getenv("srcdir") : ".") +
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"/src/processor/testdata/") {
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}
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void ReadFile(const string& file_name, string* file_contents) {
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assert(file_contents);
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std::ifstream file_stream(file_name.c_str(), std::ios::in);
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ASSERT_TRUE(file_stream.good());
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std::vector<char> bytes;
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file_stream.seekg(0, std::ios_base::end);
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ASSERT_TRUE(file_stream.good());
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bytes.resize(file_stream.tellg());
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file_stream.seekg(0, std::ios_base::beg);
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ASSERT_TRUE(file_stream.good());
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file_stream.read(&bytes[0], bytes.size());
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ASSERT_TRUE(file_stream.good());
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*file_contents = string(&bytes[0], bytes.size());
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}
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google_breakpad::ProcessResult ProcessMicrodump(
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const string& symbols_file,
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const string& microdump_contents,
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ProcessState* state) {
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SimpleSymbolSupplier supplier(symbols_file);
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BasicSourceLineResolver resolver;
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StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
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MicrodumpProcessor processor(&frame_symbolizer);
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return processor.Process(microdump_contents, state);
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}
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void AnalyzeDump(const string& microdump_file_name, ProcessState* state,
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bool omit_symbols) {
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string symbols_file = omit_symbols ? "" : files_path_ + "symbols/microdump";
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string microdump_file_path = files_path_ + microdump_file_name;
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string microdump_contents;
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ReadFile(microdump_file_path, µdump_contents);
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google_breakpad::ProcessResult result =
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ProcessMicrodump(symbols_file, microdump_contents, state);
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ASSERT_EQ(google_breakpad::PROCESS_OK, result);
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ASSERT_TRUE(state->crashed());
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ASSERT_EQ(0, state->requesting_thread());
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ASSERT_EQ(1U, state->threads()->size());
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ASSERT_EQ(2, state->system_info()->cpu_count);
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ASSERT_EQ("android", state->system_info()->os_short);
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ASSERT_EQ("Android", state->system_info()->os);
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}
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string files_path_;
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};
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TEST_F(MicrodumpProcessorTest, TestProcess_Empty) {
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ProcessState state;
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google_breakpad::ProcessResult result =
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ProcessMicrodump("", "", &state);
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ASSERT_EQ(google_breakpad::PROCESS_ERROR_MINIDUMP_NOT_FOUND, result);
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}
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TEST_F(MicrodumpProcessorTest, TestProcess_Invalid) {
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ProcessState state;
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google_breakpad::ProcessResult result =
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ProcessMicrodump("", "This is not a valid microdump", &state);
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ASSERT_EQ(google_breakpad::PROCESS_ERROR_NO_THREAD_LIST, result);
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}
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TEST_F(MicrodumpProcessorTest, TestProcess_MissingSymbols) {
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ProcessState state;
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AnalyzeDump("microdump-arm64.dmp", &state, true /* omit_symbols */);
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ASSERT_EQ(8U, state.modules()->module_count());
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ASSERT_EQ("aarch64", state.system_info()->cpu);
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ASSERT_EQ("OS 64 VERSION INFO", state.system_info()->os_version);
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ASSERT_EQ(1U, state.threads()->size());
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ASSERT_EQ(12U, state.threads()->at(0)->frames()->size());
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ASSERT_EQ("",
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state.threads()->at(0)->frames()->at(0)->function_name);
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ASSERT_EQ("",
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state.threads()->at(0)->frames()->at(3)->function_name);
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}
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TEST_F(MicrodumpProcessorTest, TestProcess_UnsupportedArch) {
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string microdump_contents =
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"W/google-breakpad(26491): -----BEGIN BREAKPAD MICRODUMP-----\n"
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"W/google-breakpad(26491): O A \"unsupported-arch\"\n"
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"W/google-breakpad(26491): S 0 A48BD840 A48BD000 00002000\n";
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ProcessState state;
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google_breakpad::ProcessResult result =
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ProcessMicrodump("", microdump_contents, &state);
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ASSERT_EQ(google_breakpad::PROCESS_ERROR_NO_THREAD_LIST, result);
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}
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TEST_F(MicrodumpProcessorTest, TestProcessArm) {
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ProcessState state;
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AnalyzeDump("microdump-arm.dmp", &state, false /* omit_symbols */);
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ASSERT_EQ(6U, state.modules()->module_count());
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ASSERT_EQ("armv7l", state.system_info()->cpu);
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ASSERT_EQ("OS VERSION INFO", state.system_info()->os_version);
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ASSERT_EQ(8U, state.threads()->at(0)->frames()->size());
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ASSERT_EQ("MicrodumpWriterTest_Setup_Test::TestBody",
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state.threads()->at(0)->frames()->at(0)->function_name);
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ASSERT_EQ("testing::Test::Run",
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state.threads()->at(0)->frames()->at(1)->function_name);
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ASSERT_EQ("main",
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state.threads()->at(0)->frames()->at(6)->function_name);
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ASSERT_EQ("breakpad_unittests",
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state.threads()->at(0)->frames()->at(6)->module->code_file());
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}
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TEST_F(MicrodumpProcessorTest, TestProcessArm64) {
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ProcessState state;
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AnalyzeDump("microdump-arm64.dmp", &state, false /* omit_symbols */);
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ASSERT_EQ(8U, state.modules()->module_count());
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ASSERT_EQ("aarch64", state.system_info()->cpu);
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ASSERT_EQ("OS 64 VERSION INFO", state.system_info()->os_version);
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ASSERT_EQ(9U, state.threads()->at(0)->frames()->size());
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ASSERT_EQ("MicrodumpWriterTest_Setup_Test::TestBody",
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state.threads()->at(0)->frames()->at(0)->function_name);
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ASSERT_EQ("testing::Test::Run",
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state.threads()->at(0)->frames()->at(2)->function_name);
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ASSERT_EQ("main",
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state.threads()->at(0)->frames()->at(7)->function_name);
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ASSERT_EQ("breakpad_unittests",
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state.threads()->at(0)->frames()->at(7)->module->code_file());
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}
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} // namespace
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int main(int argc, char* argv[]) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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