dm: i2c: Add tests for I2C
Add some basic tests to check that the system works as expected.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
diff --git a/include/dm/ut.h b/include/dm/ut.h
index fa9eac0..ec61465 100644
--- a/include/dm/ut.h
+++ b/include/dm/ut.h
@@ -89,6 +89,18 @@
} \
}
+/* Assert that a pointer is not NULL */
+#define ut_assertnonnull(expr) { \
+ const void *val = (expr); \
+ \
+ if (val == NULL) { \
+ ut_failf(dms, __FILE__, __LINE__, __func__, \
+ #expr " = NULL", \
+ "Expected non-null, got NULL"); \
+ return -1; \
+ } \
+}
+
/* Assert that an operation succeeds (returns 0) */
#define ut_assertok(cond) ut_asserteq(0, cond)