251 lines
12 KiB
C++
251 lines
12 KiB
C++
#define _XOPEN_SOURCE_EXTENDED
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#include "test.h"
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#include <cstdint>
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#include <cstdio>
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#include <iostream>
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#include <string>
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#include <vector>
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// using namespace std;
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using std::string;
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using std::vector;
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// using namespace Test;
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namespace Test {
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// Test lifecycle
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// suiteSetupFn(); - This is called to allocate any suite level resources. This is called once when the suite begins.
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// These functions may be called in parallel but execution will not proceed past this block until they have all
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// finished.
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// testSetupFn(); - This is called once for every test in tests. You may use it to allocate resources or setup mocks,
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// stubs, and spies. testFn(...); - This is called once for every test to execute the test. Only one of these test
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// functions will actually be run for each test in tests. They should return true if the test passed, return false if
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// the test failed or there was an error, and be nullptr if they should be skipped. The executed function will be
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// called with expectedOutput and the result of testFn(...). They can be used to test functions with side effects,
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// especially void functions. maybe_compare_function; - This is the highest priority compare function. If it is not
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// nullptr then it will be called. suite_compare_function; - This is the second highest priority compare function. If
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// maybe_compare_function is nullptr and this is not nullptr then it will be called.
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// [](TResult expected, TResult actual) { return expected, actual; } - This is the lowest priority compare function.
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// If all other compare functions are nullptr then this will be called to evaluate the test. testTeardownFn(); - This
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// is called once for every test in tests. You must free/release any resources allocated by testSetupFn.
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// This ends the parallel test functions section all tests will have completed before execution proceeds.
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// Collect reports - Ths step is not visible to the user at this point, but data returned by all of the test functions
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// is collected here. This is where you will eventually be able to format/log data for reports. suiteTeardownFn(); -
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// This is called after all test calls have completed, all testTeardownFn calls have completed, and all test
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// reports/logs have been written. You should free any resources allocated in suiteSetupFn.
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// TODO: Add TShared(*)(string /*test_name*/, UUID /*testRunId*/) allocateSharedData to the test tuple to make some
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// shared data that can be used in a thread safe way by setup, teardown, and evaluate steps of the test.
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// TODO: Add TShared to be returned by the setup functions, and consumed by the evaluate and teardown functions.
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// Suite setup/teardown functions should allocate/free.
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// Test setup/teardown functions should consume the data allocated by Suite setup.
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// Test setup functions may allocate additional resources. If they do then the allocated resources they should be
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// freed by test teardown function. Suite and/or Test compare functions may consume this shared data, but it will not
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// be shared with the execution of testFn.
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// This function is called to execute a test suite. You provide it with some configuration info, optional utility
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// callback functions, and test data (input parameters for each call to testFn and the expected result). It returns a
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// TestResults that should be treated as an opaque data type. Not all parameters are named in code, but they are named
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// and explained in the comments and will be described by those names below.
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// string suite_label - This is the name of this test suite. It is used for reporting messages.
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// FnToTest testFn - This is the function to test. This may be replaced if necessary by function. It may not currently
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// support class methods, but that is planned. vector<tuple<...>> tests - This is the test run data. Each tuple in the
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// vector is a single test run. It's members are explained below.
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// string test_name - This is the name of this test. It is used for reporting messages.
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// TResult expectedOutput - This is the expected result of executing this test.
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// bool(*)(const TResult expected, const TResult actual) maybe_compare_function - This is optional. If unset or set
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// to nullptr it is skipped. If set to a function it is called to evaluate the test results. It takes the expected
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// and actual results as parameters and should return true if the test passed and false otherwise. This may be
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// changed to return a TestResults at some point. void(*)(TInputParams...) testSetupFn - This is optional. If unset
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// or set to nullptr it is skipped. If set to a function it is called before each test to setup the environment for
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// the test. You may use it to allocate resources and setup mocks, stubs, and spies. void(*)(TInputParams...)
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// testTeardownFn - This is optiona. If unset or set to nullptr it is skipped. If set to a function it is called
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// after each test to cleanup the environment after the test. You should free resources allocated by testSetupFn.
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// bool isEnabled - This is optional. If unset or set to true the test is run. If set to false this test is skipped.
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// If skipped it will be reported as a skipped/disabled test.
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// bool(*)(const TResult expected, const TResult actual) suite_compare_function - This is optional. If unset or set to
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// nullptr it is skipped. If set to a function and maybe_compare_function is not called for a test run then this
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// function is called to evaluate the test results. It takes the expected and actual results as parameters and should
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// return true if the test passed and false otherwise. This may be changed to return a TestResults at some point.
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// void(*)() suiteSetupFn - This is optional. If unset or set to nullptr it is skipped. If set to a function it is
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// called before starting this test suite to setup the environment. You may use it to allocate resources and setup
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// mocks, stubs, and spies. void(*)() suiteTeardownFn - This is optional. If unset or set to nullptr it is skipped. If
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// set to a function it is called after all tests in this suite have finished and all reporting has finished. You
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// should free resources allocated by suiteSetupFn.
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// This method should be called like so. This is the minimal call and omits all of the optional params. This is the most
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// common usage. You should put one tuple of inputs and expected output for each test case.
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// results = collect_and_report_TestResultstest_fn(
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// "Test: functionUnderTest",
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// functionUnderTest,
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// vector({
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// make_tuple(
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// "ShouldReturnAppleForGroupId_1_and_ItemId_2",
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// string("Apple"),
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// make_tuple(1,2),
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// ),
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// }),
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// );
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// The suites can be run from one file as such. From a file called ThingDoer_test.cpp to test the class/methods
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// ThingDoer declared in ThingDoer.cpp. This isn't mandatory but is a best practice. You can use testFn without calling
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// collect_and_report_TestResults() and also could call it from a normal int main(int argc, char** argv) or other
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// function.
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// TestResults test_main_ThingDoer(int argc, char** argv) {
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// TestResults results;
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// results = collect_and_report_TestResults(results, testFn("doThing1", ...), argc, argv);
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// results = collect_and_report_TestResults(results, testFn("doThing2", ...), argc, argv);
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// return results;
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// }
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// Then some test harness either generated or explicit can call test_main_ThingDoer(...) and optionally reported there.
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// Reporting granularity is controlled by how frequently you call collect_and_report_TestResults(...). You can combine
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// test results with results = results + testFn(..); and then collect_and_report_TestResults on the aggregate
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// TestResults value.
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// _Step_9 - if T2 is a single value then make_tuple<T2>(T2) and call longer version
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// auto testFunction = [](int id){return id==0?"":"";};
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// auto compareFunction = [](const string a, const string b){return a==b;};
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// template<typename TResult, typename FnToTest, typename... TInputParams>
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// _Step_10 -
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// test_fn(string, _FnToTest, vector<tuple<string, _T1, _CompareFn, <tuple<_T2...>>>)
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// Default to (string, _FnToTest, vector<tuple<"", _T1, [](a,b){return a==b;}, make_tuple())
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// Also allow make_tuple(T2) if the last param is not a tuple.
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TestResults::TestResults() : errors_(0), failed_(0), passed_(0), skipped_(0), total_(0) {}
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TestResults::TestResults(const TestResults& other)
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: error_messages_(other.error_messages_),
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errors_(other.errors_),
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failed_(other.failed_),
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failure_messages_(other.failure_messages_),
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passed_(other.passed_),
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skip_messages_(other.skip_messages_),
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skipped_(other.skipped_),
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total_(other.total_) {}
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TestResults::TestResults(uint32_t errors,
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uint32_t failed,
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uint32_t passed,
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uint32_t skipped,
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uint32_t total,
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vector<string> error_messages,
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vector<string> failure_messages,
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vector<string> skip_messages)
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: error_messages_(error_messages),
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errors_(errors),
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failed_(failed),
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failure_messages_(failure_messages),
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passed_(passed),
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skip_messages_(skip_messages),
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skipped_(skipped),
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total_(total) {}
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TestResults& TestResults::error() {
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errors_++;
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return *this;
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}
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TestResults& TestResults::error(string message) {
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errors_++;
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error_messages_.push_back(message);
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return *this;
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}
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TestResults& TestResults::fail() {
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total_++;
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failed_++;
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return *this;
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}
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TestResults& TestResults::fail(const string& message) {
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total_++;
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failed_++;
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failure_messages_.push_back(message);
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return *this;
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}
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vector<string> TestResults::failure_messages() {
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return failure_messages_;
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}
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TestResults& TestResults::pass() {
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total_++;
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passed_++;
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return *this;
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}
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TestResults& TestResults::skip() {
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total_++;
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skipped_++;
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return *this;
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}
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TestResults& TestResults::skip(const string& message) {
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total_++;
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skipped_++;
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skip_messages_.push_back(message);
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return *this;
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}
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vector<string> TestResults::skip_messages() {
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return skip_messages_;
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}
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vector<string> TestResults::error_messages() {
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return error_messages_;
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}
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uint32_t TestResults::errors() {
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return errors_;
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}
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uint32_t TestResults::failed() {
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return failed_;
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}
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uint32_t TestResults::passed() {
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return passed_;
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}
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uint32_t TestResults::skipped() {
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return skipped_;
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}
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uint32_t TestResults::total() {
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return total_;
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}
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TestResults TestResults::operator+(const TestResults& other) const {
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vector<string> error_messages;
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error_messages.insert(error_messages.end(), error_messages_.begin(), error_messages_.end());
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error_messages.insert(error_messages.end(), other.error_messages_.begin(), other.error_messages_.end());
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vector<string> failure_messages;
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failure_messages.insert(failure_messages.end(), failure_messages_.begin(), failure_messages_.end());
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failure_messages.insert(failure_messages.end(), other.failure_messages_.begin(), other.failure_messages_.end());
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vector<string> skip_messages;
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skip_messages.insert(skip_messages.end(), skip_messages_.begin(), skip_messages_.end());
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skip_messages.insert(skip_messages.end(), other.skip_messages_.begin(), other.skip_messages_.end());
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return TestResults(errors_ + other.errors_,
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failed_ + other.failed_,
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passed_ + other.passed_,
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skipped_ + other.skipped_,
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total_ + other.total_,
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error_messages,
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failure_messages,
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skip_messages);
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}
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TestResults& TestResults::operator+=(const TestResults& other) {
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error_messages_.insert(error_messages_.end(), other.error_messages_.begin(), other.error_messages_.end());
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errors_ += other.errors_;
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failed_ += other.failed_;
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failure_messages_.insert(failure_messages_.end(), other.failure_messages_.begin(), other.failure_messages_.end());
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passed_ += other.passed_;
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skip_messages_.insert(skip_messages_.end(), other.skip_messages_.begin(), other.skip_messages_.end());
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skipped_ += other.skipped_;
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total_ += other.total_;
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return *this;
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}
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} // End namespace Test
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