kvm: selftests: add API testing infrastructure

Testsuite contributed by Google and cleaned up by myself for
inclusion in Linux.

Signed-off-by: Ken Hofsass <hofsass@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/tools/testing/selftests/kvm/include/test_util.h b/tools/testing/selftests/kvm/include/test_util.h
new file mode 100644
index 000000000000..7ab98e41324f
--- /dev/null
+++ b/tools/testing/selftests/kvm/include/test_util.h
@@ -0,0 +1,45 @@
+/*
+ * tools/testing/selftests/kvm/include/test_util.h
+ *
+ * Copyright (C) 2018, Google LLC.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ *
+ */
+
+#ifndef TEST_UTIL_H
+#define TEST_UTIL_H 1
+
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+ssize_t test_write(int fd, const void *buf, size_t count);
+ssize_t test_read(int fd, void *buf, size_t count);
+int test_seq_read(const char *path, char **bufp, size_t *sizep);
+
+void test_assert(bool exp, const char *exp_str,
+		 const char *file, unsigned int line, const char *fmt, ...);
+
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0]))
+
+#define TEST_ASSERT(e, fmt, ...) \
+	test_assert((e), #e, __FILE__, __LINE__, fmt, ##__VA_ARGS__)
+
+#define ASSERT_EQ(a, b) do { \
+	typeof(a) __a = (a); \
+	typeof(b) __b = (b); \
+	TEST_ASSERT(__a == __b, \
+		    "ASSERT_EQ(%s, %s) failed.\n" \
+		    "\t%s is %#lx\n" \
+		    "\t%s is %#lx", \
+		    #a, #b, #a, (unsigned long) __a, #b, (unsigned long) __b); \
+} while (0)
+
+#endif /* TEST_UTIL_H */