add unit tests
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@110278 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/BlocksRuntime/tests/small-struct.c b/BlocksRuntime/tests/small-struct.c
new file mode 100644
index 0000000..434f3c1
--- /dev/null
+++ b/BlocksRuntime/tests/small-struct.c
@@ -0,0 +1,45 @@
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
+// CONFIG
+
+#import <stdio.h>
+#import <stdlib.h>
+#import <string.h>
+
+typedef struct {
+ int a;
+ int b;
+} MiniStruct;
+
+int main (int argc, const char * argv[]) {
+ MiniStruct inny;
+ MiniStruct outty;
+ MiniStruct (^copyStruct)(MiniStruct);
+
+ memset(&inny, 0xA5, sizeof(inny));
+ memset(&outty, 0x2A, sizeof(outty));
+
+ inny.a = 12;
+ inny.b = 42;
+
+ copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; }; // pass-by-value intrinsically copies the argument
+
+ outty = copyStruct(inny);
+
+ if ( &inny == &outty ) {
+ printf("%s: struct wasn't copied.", argv[0]);
+ exit(1);
+ }
+ if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
+ printf("%s: struct contents did not match.", argv[0]);
+ exit(1);
+ }
+
+ printf("%s: success\n", argv[0]);
+ return 0;
+}