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-rw-r--r--tinytest/tinytest.c730
1 files changed, 730 insertions, 0 deletions
diff --git a/tinytest/tinytest.c b/tinytest/tinytest.c
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--- /dev/null
+++ b/tinytest/tinytest.c
@@ -0,0 +1,730 @@
+/* ----------------------------------------------------------------------------
+ tinytest - A tiny C unit-testing library
+ Copyright (C) 2010-2018 Mark A Lindner
+
+ This file is part of tinytest.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License
+ as published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this library; if not, see
+ <http://www.gnu.org/licenses/>.
+ ----------------------------------------------------------------------------
+*/
+
+#include "tinytest.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#ifdef WIN32
+#include <io.h>
+#define F_OK 4 // Windows doesn't have F_OK
+#else
+#include <unistd.h>
+#endif
+
+/*
+ */
+
+static tt_testsuite_t *__tt_current_suite = NULL;
+
+static const char *__tt_op_strings[] = { "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "<", "<=", ">", ">=",
+ "==", "!=", "", "!",
+ "==file", "!=file",
+ "==txtfile", "!=txtfile" };
+
+/*
+ */
+
+static tt_bool_t __tt_chop(char *s)
+{
+ size_t len = strlen(s);
+ char *p;
+ tt_bool_t eol = TT_FALSE;
+
+ for(p = s + len - 1; p > s; --p) {
+ if ((*p == '\r') || (*p == '\n')) {
+ eol = TT_TRUE;
+ *p = 0;
+ }
+ }
+
+ return(eol);
+}
+
+static tt_bool_t __tt_compare_files_text(const char *file1, const char *file2,
+ tt_bool_t verbose)
+{
+ FILE *fp1, *fp2;
+ char buf1[4096], buf2[4096];
+ int line = 1;
+ int character = 0;
+ tt_bool_t matched = TT_TRUE, eof1, eof2;
+
+ if(!(fp1 = fopen(file1, "rt")))
+ {
+ printf("cannot open file: %s\n", file1);
+ return(TT_FALSE);
+ }
+
+ if(!(fp2 = fopen(file2, "rt")))
+ {
+ fclose(fp1);
+ printf("cannot open file: %s\n", file2);
+ return(TT_FALSE);
+ }
+
+ for(;;)
+ {
+ char *r1, *r2, *p, *q;
+
+ r1 = fgets(buf1, sizeof(buf1), fp1);
+ r2 = fgets(buf2, sizeof(buf2), fp2);
+
+ if((r1 == NULL) || (r2 == NULL))
+ {
+ matched = (r1 == r2) ? TT_TRUE : TT_FALSE;
+ break;
+ }
+
+ eof1 = __tt_chop(r1);
+ eof2 = __tt_chop(r2);
+
+ p = r1;
+ q = r2;
+
+ while(*p && *q)
+ {
+ if(*p != *q)
+ {
+ matched = TT_FALSE;
+ break;
+ }
+
+ ++character;
+ ++p;
+ ++q;
+ }
+
+ if(eof1 != eof2)
+ matched = TT_FALSE;
+
+ if(matched == TT_FALSE)
+ break;
+
+ if(eof1 && eof2)
+ {
+ ++line;
+ character = 0;
+ }
+ }
+
+ fclose(fp1);
+ fclose(fp2);
+
+ if(!matched && verbose)
+ printf("files \"%s\" and \"%s\" differ starting at line %d, char %d\n",
+ file1, file2, line, character);
+
+ return(matched);
+}
+
+static tt_bool_t __tt_compare_files(const char *file1, const char *file2,
+ tt_bool_t verbose)
+{
+ FILE *fp1, *fp2;
+ char buf1[4096], buf2[4096];
+ int line = 1;
+ int character = 0;
+ size_t r1, r2;
+ tt_bool_t done = TT_FALSE, matched = TT_TRUE;
+
+ if(!(fp1 = fopen(file1, "rb")))
+ {
+ printf("cannot open file: %s\n", file1);
+ return(TT_FALSE);
+ }
+
+ if(!(fp2 = fopen(file2, "rb")))
+ {
+ fclose(fp1);
+ printf("cannot open file: %s\n", file2);
+ return(TT_FALSE);
+ }
+
+ while(!done)
+ {
+ char *p, *q, *pe, *qe;
+
+ r1 = fread(buf1, 1, sizeof(buf1), fp1);
+ r2 = fread(buf2, 1, sizeof(buf2), fp2);
+
+ p = buf1;
+ q = buf2;
+ pe = buf1 + r1;
+ qe = buf2 + r2;
+
+ while(p < pe && q < qe)
+ {
+ if(*p != *q)
+ {
+ matched = TT_FALSE;
+ done = TT_TRUE;
+ break;
+ }
+
+ if(*p == '\n')
+ {
+ ++line;
+ character = 0;
+ }
+ else
+ ++character;
+
+ ++p;
+ ++q;
+ }
+
+ if(p < pe || q < qe)
+ {
+ matched = TT_FALSE;
+ break;
+ }
+
+ if(feof(fp1) || feof(fp2))
+ break;
+ }
+
+ fclose(fp1);
+ fclose(fp2);
+
+ if(!matched && verbose)
+ printf("files \"%s\" and \"%s\" differ starting at line %d, char %d\n",
+ file1, file2, line, character);
+
+ return(matched);
+}
+
+/*
+ */
+
+tt_testsuite_t *tt_suite_create(const char *name)
+{
+ tt_testsuite_t *suite = calloc(1, sizeof(tt_testsuite_t));
+ suite->name = strdup(name);
+ return(suite);
+}
+
+/*
+ */
+
+void tt_suite_destroy(tt_testsuite_t *suite)
+{
+ tt_test_t *test = suite->first_test;
+
+ while(test)
+ {
+ tt_test_t *tmp = test->next;
+ free((void *)test->name);
+ free(test);
+ test = tmp;
+ }
+
+ free((void *)suite->name);
+ free(suite);
+}
+
+/*
+ */
+
+void tt_suite_add_test(tt_testsuite_t *suite, const char *name,
+ void (*function)(void))
+{
+ tt_test_t *test = calloc(1, sizeof(tt_test_t));
+ test->name = strdup(name);
+ test->function = function;
+
+ if(suite->last_test != NULL)
+ suite->last_test->next = test;
+
+ suite->last_test = test;
+
+ if(suite->first_test == NULL)
+ suite->first_test = test;
+
+ ++suite->num_tests;
+}
+
+/*
+ */
+
+void tt_suite_run(tt_testsuite_t *suite)
+{
+ __tt_current_suite = suite;
+
+ suite->num_failures = 0;
+
+ for(suite->current_test = suite->first_test;
+ suite->current_test;
+ suite->current_test = suite->current_test->next)
+ {
+ printf("[TEST] %s\n", suite->current_test->name);
+
+ if(setjmp(suite->jump_buf) == 0)
+ {
+ suite->current_test->function();
+ }
+
+ if(suite->current_test->failed)
+ {
+ printf("[FAIL] %s\n", suite->current_test->name);
+ ++suite->num_failures;
+ }
+ else
+ {
+ printf("[ OK ] %s\n", suite->current_test->name);
+ }
+ }
+
+ if(suite->num_failures > 0)
+ puts("*** FAILURES! ***");
+
+ printf("%d tests; %d passed, %d failed\n",
+ suite->num_tests, suite->num_tests - suite->num_failures,
+ suite->num_failures);
+
+ suite->current_test = NULL;
+ __tt_current_suite = NULL;
+}
+
+/*
+ */
+
+void tt_output_val(FILE *stream, const tt_val_t *val)
+{
+ switch(val->type)
+ {
+ case TT_VAL_INT:
+ fprintf(stream, "%d", val->value.int_val);
+ break;
+
+ case TT_VAL_UINT:
+ fprintf(stream, "%u", val->value.uint_val);
+ break;
+
+ case TT_VAL_INT64:
+ fprintf(stream, "%lld", val->value.int64_val);
+ break;
+
+ case TT_VAL_UINT64:
+ fprintf(stream, "%llu", val->value.uint64_val);
+ break;
+
+ case TT_VAL_DOUBLE:
+ fprintf(stream, "%f", val->value.double_val);
+ break;
+
+ case TT_VAL_STR:
+ {
+ const char *p;
+
+ fputc('\"', stream);
+ for(p = val->value.str_val; *p; ++p)
+ {
+ if(*p == '\n')
+ fputs("\\n", stream);
+ else if(*p == '\r')
+ fputs("\\r", stream);
+ else if(*p == '\t')
+ fputs("\\t", stream);
+ else if(*p == '\f')
+ fputs("\\f", stream);
+ else if(*p < ' ')
+ fprintf(stream, "\\0x%02X", *p);
+ else
+ fputc(*p, stream);
+ }
+ fputc('\"', stream);
+ break;
+ }
+
+ case TT_VAL_PTR:
+ fprintf(stream, "%p", val->value.ptr_val);
+ break;
+
+ default:
+ fputs("???", stream);
+ break;
+ }
+}
+
+/*
+ */
+
+void tt_expect(const char *file, int line, const char *aexpr,
+ tt_op_t op, const char *bexpr, const tt_val_t a,
+ const tt_val_t b, tt_bool_t fatal)
+{
+ tt_bool_t result = TT_FALSE;
+
+ switch(op)
+ {
+ case TT_OP_INT_EQ:
+ result = (a.value.int_val == b.value.int_val);
+ break;
+
+ case TT_OP_INT_NE:
+ result = (a.value.int_val != b.value.int_val);
+ break;
+
+ case TT_OP_INT_LT:
+ result = (a.value.int_val < b.value.int_val);
+ break;
+
+ case TT_OP_INT_LE:
+ result = (a.value.int_val <= b.value.int_val);
+ break;
+
+ case TT_OP_INT_GT:
+ result = (a.value.int_val > b.value.int_val);
+ break;
+
+ case TT_OP_INT_GE:
+ result = (a.value.int_val >= b.value.int_val);
+ break;
+
+ case TT_OP_UINT_EQ:
+ result = (a.value.uint_val == b.value.uint_val);
+ break;
+
+ case TT_OP_UINT_NE:
+ result = (a.value.uint_val != b.value.uint_val);
+ break;
+
+ case TT_OP_UINT_LT:
+ result = (a.value.uint_val < b.value.uint_val);
+ break;
+
+ case TT_OP_UINT_LE:
+ result = (a.value.uint_val <= b.value.uint_val);
+ break;
+
+ case TT_OP_UINT_GT:
+ result = (a.value.uint_val > b.value.uint_val);
+ break;
+
+ case TT_OP_UINT_GE:
+ result = (a.value.uint_val >= b.value.uint_val);
+ break;
+
+ case TT_OP_INT64_EQ:
+ result = (a.value.int64_val == b.value.int64_val);
+ break;
+
+ case TT_OP_INT64_NE:
+ result = (a.value.int64_val != b.value.int64_val);
+ break;
+
+ case TT_OP_INT64_LT:
+ result = (a.value.int64_val < b.value.int64_val);
+ break;
+
+ case TT_OP_INT64_LE:
+ result = (a.value.int64_val <= b.value.int64_val);
+ break;
+
+ case TT_OP_INT64_GT:
+ result = (a.value.int64_val > b.value.int64_val);
+ break;
+
+ case TT_OP_INT64_GE:
+ result = (a.value.int64_val >= b.value.int64_val);
+ break;
+
+ case TT_OP_UINT64_EQ:
+ result = (a.value.uint64_val == b.value.uint64_val);
+ break;
+
+ case TT_OP_UINT64_NE:
+ result = (a.value.uint64_val != b.value.uint64_val);
+ break;
+
+ case TT_OP_UINT64_LT:
+ result = (a.value.uint64_val < b.value.uint64_val);
+ break;
+
+ case TT_OP_UINT64_LE:
+ result = (a.value.uint64_val <= b.value.uint64_val);
+ break;
+
+ case TT_OP_UINT64_GT:
+ result = (a.value.uint64_val > b.value.uint64_val);
+ break;
+
+ case TT_OP_UINT64_GE:
+ result = (a.value.uint64_val >= b.value.uint64_val);
+ break;
+
+ case TT_OP_DOUBLE_EQ:
+ result = (a.value.double_val == b.value.double_val);
+ break;
+
+ case TT_OP_DOUBLE_NE:
+ {
+ double diff = (a.value.double_val - b.value.double_val);
+ result = ((diff < -.0001) || (diff > .0001));
+ break;
+ }
+
+ case TT_OP_DOUBLE_LT:
+ result = (a.value.double_val < b.value.double_val);
+ break;
+
+ case TT_OP_DOUBLE_LE:
+ result = (a.value.double_val <= b.value.double_val);
+ break;
+
+ case TT_OP_DOUBLE_GT:
+ result = (a.value.double_val > b.value.double_val);
+ break;
+
+ case TT_OP_DOUBLE_GE:
+ result = (a.value.double_val >= b.value.double_val);
+ break;
+
+ case TT_OP_STR_EQ:
+ result = !strcmp(a.value.str_val, b.value.str_val);
+ break;
+
+ case TT_OP_STR_NE:
+ result = strcmp(a.value.str_val, b.value.str_val);
+ break;
+
+ case TT_OP_STR_LT:
+ result = (strcmp(a.value.str_val, b.value.str_val) < 0);
+ break;
+
+ case TT_OP_STR_LE:
+ result = (strcmp(a.value.str_val, b.value.str_val) <= 0);
+ break;
+
+ case TT_OP_STR_GT:
+ result = (strcmp(a.value.str_val, b.value.str_val) > 0);
+ break;
+
+ case TT_OP_STR_GE:
+ result = (strcmp(a.value.str_val, b.value.str_val) >= 0);
+ break;
+
+ case TT_OP_PTR_EQ:
+ result = (a.value.ptr_val == b.value.ptr_val);
+ break;
+
+ case TT_OP_PTR_NE:
+ result = (a.value.ptr_val != b.value.ptr_val);
+ break;
+
+ case TT_OP_FILE_EQ:
+ result = __tt_compare_files(a.value.str_val, b.value.str_val, TT_TRUE);
+ break;
+
+ case TT_OP_FILE_NE:
+ result = !__tt_compare_files(a.value.str_val, b.value.str_val, TT_TRUE);
+ break;
+
+ case TT_OP_TXTFILE_EQ:
+ result = __tt_compare_files_text(a.value.str_val, b.value.str_val,
+ TT_TRUE);
+ break;
+
+ case TT_OP_TXTFILE_NE:
+ result = !__tt_compare_files_text(a.value.str_val, b.value.str_val,
+ TT_TRUE);
+ break;
+
+ default:
+ break;
+ }
+
+ if(!result)
+ {
+ __tt_current_suite->current_test->failed = TT_TRUE;
+
+ printf("%s:%d: failed %s: %s [", file, line, (fatal ? "assert" : "expect"),
+ aexpr);
+ tt_output_val(stdout, &a);
+ printf("] %s %s [", __tt_op_strings[op], bexpr);
+ tt_output_val(stdout, &b);
+ puts("]");
+
+ if(fatal)
+ longjmp(__tt_current_suite->jump_buf, 0);
+ }
+}
+
+/*
+ */
+
+void tt_expect_bool(const char *file, int line, const char *expr, tt_op_t op,
+ int val, tt_bool_t fatal)
+{
+ tt_bool_t result = TT_FALSE;
+
+ switch(op)
+ {
+ case TT_OP_TRUE:
+ result = (val != 0);
+ break;
+
+ case TT_OP_FALSE:
+ result = (val == 0);
+ break;
+
+ default:
+ break;
+ }
+
+ if(!result)
+ {
+ __tt_current_suite->current_test->failed = TT_TRUE;
+
+ printf("%s:%d: failed %s: %s(%s)\n", file, line,
+ (fatal ? "assert" : "expect"), __tt_op_strings[op], expr);
+
+ if(fatal)
+ longjmp(__tt_current_suite->jump_buf, 0);
+ }
+}
+
+/*
+ */
+
+void tt_fail(const char *file, int line, const char *message, ...)
+{
+ va_list vp;
+ va_start(vp, message);
+ printf("%s:%d: failed: ", file, line);
+ vprintf(message, vp);
+ va_end(vp);
+ putchar('\n');
+}
+
+/*
+ */
+
+tt_bool_t tt_file_exists(const char *file)
+{
+ return(access(file, F_OK) == 0);
+}
+
+#ifdef _MSC_VER
+
+// All of this extra code is because MSVC doesn't support the C99 standard.
+// Sigh.
+
+/*
+ */
+
+void tt_test_int(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, int a, int b, tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_INT }, bval = { TT_VAL_INT };
+ aval.value.int_val = a;
+ bval.value.int_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_uint(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, unsigned int a, unsigned int b,
+ tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_UINT }, bval = { TT_VAL_UINT };
+ aval.value.uint_val = a;
+ bval.value.uint_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_int64(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, long long a, long long b,
+ tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_INT64 }, bval = { TT_VAL_INT64 };
+ aval.value.int64_val = a;
+ bval.value.int64_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_uint64(const char *file, int line, const char *aexpr,
+ tt_op_t op, const char *bexpr, unsigned long long a,
+ unsigned long long b, tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_UINT64 }, bval = { TT_VAL_UINT64 };
+ aval.value.uint64_val = a;
+ bval.value.uint64_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_double(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, double a, double b, tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_DOUBLE }, bval = { TT_VAL_DOUBLE };
+ aval.value.double_val = a;
+ bval.value.double_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_str(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, const char *a, const char *b,
+ tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_STR }, bval = { TT_VAL_STR };
+ aval.value.str_val = a;
+ bval.value.str_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+/*
+ */
+
+void tt_test_ptr(const char *file, int line, const char *aexpr, tt_op_t op,
+ const char *bexpr, const void *a, const void *b,
+ tt_bool_t fatal)
+{
+ tt_val_t aval = { TT_VAL_PTR }, bval = { TT_VAL_PTR };
+ aval.value.ptr_val = a;
+ bval.value.ptr_val = b;
+ tt_expect(file, line, aexpr, op, bexpr, aval, bval, fatal);
+}
+
+#endif // WIN32
+
+/* end of source file */
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