diff --git a/test/unit/test.c b/test/unit/test.c
index 23bb835..fbfeb4b 100644
--- a/test/unit/test.c
+++ b/test/unit/test.c
@@ -33,6 +33,13 @@ TST_Fail(int line)
   exit(1);
 }
 
+void
+TST_Skip(int line)
+{
+  printf("SKIP (on line %d)\n", line);
+  exit(0);
+}
+
 int
 main(int argc, char **argv)
 {
diff --git a/test/unit/test.h b/test/unit/test.h
index f409252..2d3637b 100644
--- a/test/unit/test.h
+++ b/test/unit/test.h
@@ -33,7 +33,16 @@ extern void test_unit(void);
     } \
   } while (0)
 
+#define TEST_REQUIRE(expr) \
+  do { \
+    if (!(expr)) { \
+      TST_Skip(__LINE__); \
+      exit(0); \
+    } \
+  } while (0)
+
 extern void TST_Fail(int line);
+extern void TST_Skip(int line);
 
 extern void TST_SuspendLogging(void);
 extern void TST_ResumeLogging(void);