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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - 002test.cc</title> <meta name="Generator" content="Vim/7.4"> <meta name="plugin-version" content="vim7.4_v2"> <meta name="syntax" content="cpp"> <meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy="> <meta name="colorscheme" content="minimal"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body> <pre id='vimCodeElement'> //: A simple test harness. To create new tests define functions starting with //: 'test_'. To run all tests so defined, run: //: $ wart test //: //: So far it seems tasteful for layers to never ever reach back to modify //: previously-defined tests. Every test is a contract once written, and should //: pass as-is if it is included, regardless of how much later layers change //: the program. Avoid writing 'temporary' tests that only work with some //: subsets of the program. :(before "End Types") typedef void (*test_fn)(void); :(before "End Globals") const test_fn Tests[] = { #include "test_list" // auto-generated; see makefile }; bool Run_tests = false; bool Passed = true; // set this to false inside any test to indicate failure long Num_failures = 0; #define CHECK(X) \ if (!(X)) { \ ++Num_failures; \ cerr << "\nF - " << __FUNCTION__ << "(" << __FILE__ << ":" << __LINE__ << "): " << #X << '\n'; \ Passed = false; \ return; /* Currently we stop at the very first failure. */ \ } #define CHECK_EQ(X, Y) \ if ((X) != (Y)) { \ ++Num_failures; \ cerr << "\nF - " << __FUNCTION__ << "(" << __FILE__ << ":" << __LINE__ << "): " << #X << " == " << #Y << '\n'; \ cerr << " got " << (X) << '\n'; /* BEWARE: multiple eval */ \ Passed = false; \ return; /* Currently we stop at the very first failure. */ \ } :(before "End Setup") Passed = true; :(before "End Commandline Parsing") if (argc > 1 && is_equal(argv[1], "test")) { Run_tests = true; --argc; ++argv; // shift 'test' out of commandline args } :(before "End Main") if (Run_tests) { // Test Runs // we run some tests and then exit; assume no state need be maintained afterward // End Test Run Initialization time_t t; time(&t); cerr << "C tests: " << ctime(&t); for (size_t i=0; i < sizeof(Tests)/sizeof(Tests[0]); ++i) { //? cerr < run_test(i); } // End Tests cerr << '\n'; if (Num_failures > 0) { cerr << Num_failures << " failure" << (Num_failures > 1 ? "s" : "") << '\n'; return 1; } return 0; } :(code) void run_test(size_t i) { if (i >= sizeof(Tests)/sizeof(Tests[0])) { cerr << "no test " <'\n'; return; } setup(); // End Test Setup (*Tests[i])(); // End Test Teardown teardown(); if (Passed) cerr << '.'; } bool is_integer(const string& s) { return s.find_first_not_of("0123456789-") == string::npos // no other characters && s.find_first_of("0123456789") != string::npos // at least one digit && s.find('-', 1) == string::npos; // '-' only at first position } int to_integer(string n) { char* end = NULL; // safe because string.c_str() is guaranteed to be null-terminated int result = strtoll(n.c_str(), &end, /*any base*/0); if (*end != '\0') cerr << "tried to convert " << n << " to number\n"; assert(*end == '\0'); return result; } void test_is_integer() { CHECK(is_integer("1234")); CHECK(is_integer("-1")); CHECK(!is_integer("234.0")); CHECK(is_integer("-567")); CHECK(!is_integer("89-0")); CHECK(!is_integer("-")); CHECK(!is_integer("1e3")); // not supported } :(before "End Includes") #include<cstdlib> </pre> </body> </html>


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