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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
#pragma once
#include <iostream>
#include <iomanip>
#include <exception>
#include <sstream>
#include <utility>
#include <memory>
#include <cstddef>
struct empty_testcase{ void run(){} const char* name(){return 0;} };
template <std::size_t offset>
struct testcase : empty_testcase{};
template <std::size_t begin, std::size_t end>
struct testrange {
void run(std::size_t& pass, std::size_t& fail)
{
using namespace std;
{ testcase<begin> a_case;
if (a_case.name()) {
std::size_t p=0, f=0;
cout << "TEST: Running " << a_case.name() << endl;
try {
a_case.run();
++p;
} catch (logic_error& e) {
cerr << "ERRORS:" << endl;
cerr << " " << e.what() << endl;
++f;
}
pass += p; fail += f;
}
}
const std::size_t rem = (end-begin-1);
testrange<begin+1, begin+1+rem/2>().run(pass, fail);
testrange<begin+1+rem/2, end>().run(pass, fail);
}
};
template <std::size_t begin>
struct testrange<begin,begin> {
void run(std::size_t& pass, std::size_t& fail) {};
};
#define TEST(fun_name) \
void fun_name (); \
template <> \
struct testcase<__LINE__> { \
const char* name() { return(#fun_name); } \
void run() { fun_name(); } \
}; \
void fun_name()
#define Q_(e) #e
#define Q(e) Q_(e)
#define TASSERT(expr) \
{ auto e = (expr); if (!e) { throw std::logic_error(__FILE__ "(" Q(__LINE__) "): TASSERT("#expr")"); } }
struct errmsg
{
std::shared_ptr<std::stringstream> msg;
errmsg() : msg(new std::stringstream)
{}
template <class T>
errmsg& operator<<(T value)
{
(*msg) << value;
return *this;
}
std::string str() { return msg->str(); }
};
#define TEST_WHERE __FILE__ "(" Q(__LINE__) "): "
#define VERIFY(expr) \
{ auto e = (expr); if (!e) { throw std::logic_error(TEST_WHERE "VERIFY("#expr")"); } }
#define VERIFY_EQ(expected, actual) \
{ auto e = (expected); auto a = (actual); \
if (!(e == a)) { \
throw std::logic_error( \
(errmsg() << TEST_WHERE << "(" << e << ")!=(" << a << ") in VERIFY_EQ("#expected","#actual")").str() );}}
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