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authorklaar36 <klas.arvidsson@liu.se>2015-03-20 17:30:24 +0100
committerklaar36 <klas.arvidsson@liu.se>2015-03-20 17:30:24 +0100
commite7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad (patch)
tree4de97af7207676b69cb6a9aba8cb443cc134855d /src/tests/vm/mmap-null.c
parentb0418a24e709f0632d2ede5b0f327c422931939b (diff)
downloadpintos-rs-e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad.tar.gz
Initial Pintos
Diffstat (limited to 'src/tests/vm/mmap-null.c')
-rw-r--r--src/tests/vm/mmap-null.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/tests/vm/mmap-null.c b/src/tests/vm/mmap-null.c
new file mode 100644
index 0000000..f8ef075
--- /dev/null
+++ b/src/tests/vm/mmap-null.c
@@ -0,0 +1,15 @@
+/* Verifies that memory mappings at address 0 are disallowed. */
+
+#include <syscall.h>
+#include "tests/lib.h"
+#include "tests/main.h"
+
+void
+test_main (void)
+{
+ int handle;
+
+ CHECK ((handle = open ("sample.txt")) > 1, "open \"sample.txt\"");
+ CHECK (mmap (handle, NULL) == MAP_FAILED, "try to mmap at address 0");
+}
+