Add some unit test macros

include/tst.h

@@ -0,0 +1,145 @@
+/*
+ * Copyright (c) 2020 Andri Yngvason
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#define XSTR(s) STR(s)
+#define STR(s) #s
+
+#define ASSERT_TRUE(expr) do { \
+	if (!(expr)) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be true\n"); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_FALSE(expr) do { \
+	if (expr) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be false\n"); \
+		return 1; \
+	} \
+} while(0)
+
+#define TST_ASSERT_EQ_(value, expr, type, fmt) do { \
+	type expr_ = (expr); \
+	if (expr_ != (value)) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be equal to " XSTR(value) "; was " fmt "\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_INT_EQ(value, expr) TST_ASSERT_EQ_(value, expr, int, "%d")
+#define ASSERT_UINT_EQ(value, expr) TST_ASSERT_EQ_(value, expr, unsigned int, "%u")
+#define ASSERT_INT32_EQ(value, expr) TST_ASSERT_EQ_(value, expr, int32_t, "%" PRIi32)
+#define ASSERT_UINT32_EQ(value, expr) TST_ASSERT_EQ_(value, expr, uint32_t, "%" PRIu32)
+#define ASSERT_DOUBLE_EQ(value, expr) TST_ASSERT_EQ_(value, expr, double, "%f")
+#define ASSERT_PTR_EQ(value, expr) TST_ASSERT_EQ_(value, expr, void*, "%p")
+
+#define TST_ASSERT_GT_(value, expr, type, fmt) do { \
+	type expr_ = (expr); \
+	if (!(expr_ > (value))) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be greater than " XSTR(value) "; was " fmt "\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_INT_GT(value, expr) TST_ASSERT_GT_(value, expr, int, "%d")
+#define ASSERT_UINT_GT(value, expr) TST_ASSERT_GT_(value, expr, unsigned int, "%u")
+#define ASSERT_INT32_GT(value, expr) TST_ASSERT_GT_(value, expr, int32_t, "%" PRIi32)
+#define ASSERT_UINT32_GT(value, expr) TST_ASSERT_GT_(value, expr, uint32_t, "%" PRIu32)
+#define ASSERT_DOUBLE_GT(value, expr) TST_ASSERT_GT_(value, expr, double, "%f")
+
+#define TST_ASSERT_GE_(value, expr, type, fmt) do { \
+	type expr_ = (expr); \
+	if (!(expr_ >= (value))) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be greater than or equal to " XSTR(value) "; was " fmt "\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_INT_GE(value, expr) TST_ASSERT_GE_(value, expr, int, "%d")
+#define ASSERT_UINT_GE(value, expr) TST_ASSERT_GE_(value, expr, unsigned int, "%u")
+#define ASSERT_INT32_GE(value, expr) TST_ASSERT_GE_(value, expr, int32_t, "%" PRIi32)
+#define ASSERT_UINT32_GE(value, expr) TST_ASSERT_GE_(value, expr, uint32_t, "%" PRIu32)
+#define ASSERT_DOUBLE_GE(value, expr) TST_ASSERT_GE_(value, expr, double, "%f")
+
+#define TST_ASSERT_LT_(value, expr, type, fmt) do { \
+	type expr_ = (expr); \
+	if (!(expr_ < (value))) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be less than " XSTR(value) "; was " fmt "\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_INT_LT(value, expr) TST_ASSERT_LT_(value, expr, int, "%d")
+#define ASSERT_UINT_LT(value, expr) TST_ASSERT_LT_(value, expr, unsigned int, "%u")
+#define ASSERT_INT32_LT(value, expr) TST_ASSERT_LT_(value, expr, int32_t, "%" PRIi32)
+#define ASSERT_UINT32_LT(value, expr) TST_ASSERT_LT_(value, expr, uint32_t, "%" PRIu32)
+#define ASSERT_DOUBLE_LT(value, expr) TST_ASSERT_LT_(value, expr, double, "%f")
+
+#define TST_ASSERT_LE_(value, expr, type, fmt) do { \
+	type expr_ = (expr); \
+	if (!(expr_ <= (value))) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be less than or equal to " XSTR(value) "; was " fmt "\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_INT_LE(value, expr) TST_ASSERT_LE_(value, expr, int, "%d")
+#define ASSERT_UINT_LE(value, expr) TST_ASSERT_LE_(value, expr, unsigned int, "%u")
+#define ASSERT_INT32_LE(value, expr) TST_ASSERT_LE_(value, expr, int32_t, "%" PRIi32)
+#define ASSERT_UINT32_LE(value, expr) TST_ASSERT_LE_(value, expr, uint32_t, "%" PRIu32)
+#define ASSERT_DOUBLE_LE(value, expr) TST_ASSERT_LE_(value, expr, double, "%f")
+
+#define ASSERT_STR_EQ(value, expr) do { \
+	const char* expr_ = (expr); \
+	if (strcmp(expr_, (value)) != 0) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to be " XSTR(value) "; was \"%s\"\n", \
+			expr_); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_NEQ(value, expr) do { \
+	if ((expr) != (value)) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to NOT be " XSTR(value) "\n"); \
+		return 1; \
+	} \
+} while(0)
+
+#define ASSERT_STR_NEQ(value, expr) do { \
+	if (strcmp((expr), (value)) == 0) { \
+		fprintf(stderr, "FAILED " XSTR(__LINE__) ": Expected " XSTR(expr) " to NOT be " XSTR(value) "\n"); \
+		return 1; \
+	} \
+} while(0)
+
+#define RUN_TEST(test) do { \
+	if(!(test())) \
+		fprintf(stderr, XSTR(test) " passed\n"); \
+	else \
+		r = 1; \
+} while(0);