1 files changed, 119 insertions, 0 deletions
diff --git a/tests/test.h b/tests/test.h
new file mode 100644
index 0000000..4e05dac
--- /dev/null
+++ b/tests/test.h
@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+/*
+ * test.h
+ *
+ * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
+ */
+#ifndef TEST_H
+#define TEST_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+
+#if defined(__GNUC__) || defined(__clang__)
+#	define ATTRIB_UNUSED __attribute__ ((unused))
+#else
+#	define ATTRIB_UNUSED
+#endif
+
+static ATTRIB_UNUSED FILE *test_open_read(const char *path)
+{
+	FILE *fp = fopen(path, "rb");
+
+	if (fp == NULL) {
+		perror(path);
+		abort();
+	}
+
+	return fp;
+}
+
+static ATTRIB_UNUSED void test_assert(const char *expr, int value,
+				      int linenum)
+{
+	if (value == 0) {
+		fprintf(stderr, "%d: '%s' is false!\n", linenum, expr);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_str_equal(const char *expr, const char *value,
+					 const char *ref, int linenum)
+{
+	if (strcmp(value, ref) != 0) {
+		fprintf(stderr,
+			"%d: '%s' should be '%s', but actually is '%s'!\n",
+			linenum, expr, ref, value);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_not_null(const void *value, const char *expr,
+					int linenum)
+{
+	if (value == NULL) {
+		fprintf(stderr, "%d: '%s' should not be NULL, but is!\n",
+			linenum, expr);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_null(const void *value, const char *expr,
+				    int linenum)
+{
+	if (value != NULL) {
+		fprintf(stderr, "%d: '%s' should be NULL, but is!\n",
+			linenum, expr);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_equal_ul(const char *lhs, const char *rhs,
+					unsigned long lval, unsigned long rval,
+					int linenum)
+{
+	if (lval != rval) {
+		fprintf(stderr, "%d: %s (%lu) does not equal %s (%lu)!\n",
+			linenum, lhs, lval, rhs, rval);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_equal_sl(const char *lhs, const char *rhs,
+					long lval, long rval, int linenum)
+{
+	if (lval != rval) {
+		fprintf(stderr, "%d: %s (%ld) does not equal %s (%ld)!\n",
+			linenum, lhs, lval, rhs, rval);
+		abort();
+	}
+}
+
+static ATTRIB_UNUSED void test_lt_ul(const char *lhs, const char *rhs,
+				     unsigned long lval, unsigned long rval,
+				     int linenum)
+{
+	if (lval >= rval) {
+		fprintf(stderr, "%d: %s (%lu) is not less than %s (%lu)!\n",
+			linenum, lhs, lval, rhs, rval);
+		abort();
+	}
+}
+
+#define TEST_STR_EQUAL(str, ref) test_str_equal(#str, str, ref, __LINE__)
+
+#define TEST_NULL(expr) test_null(expr, #expr, __LINE__)
+
+#define TEST_NOT_NULL(expr) test_not_null(expr, #expr, __LINE__)
+
+#define TEST_EQUAL_I(a, b) test_equal_sl(#a, #b, a, b, __LINE__)
+
+#define TEST_EQUAL_UI(a, b) test_equal_ul(#a, #b, a, b, __LINE__)
+
+#define TEST_LESS_THAN_UI(a, b) test_lt_ul(#a, #b, a, b, __LINE__)
+
+#define TEST_ASSERT(expr) test_assert(#expr, (expr), __LINE__)
+
+#endif /* TEST_H */