Merge pull request #477 from AFLplusplus/dev

Push to stable

1 files changed, 33 insertions, 0 deletions

diff --git a/test/test-floatingpoint.c b/test/test-floatingpoint.c
new file mode 100644
index 00000000..febfae05
--- /dev/null
+++ b/test/test-floatingpoint.c
@@ -0,0 +1,33 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+#include <stdint.h>
+
+__AFL_FUZZ_INIT();
+
+int main(void) {
+
+  ssize_t bytes_read;
+
+  __AFL_INIT();
+  float *magic = (float *)__AFL_FUZZ_TESTCASE_BUF;
+
+  while (__AFL_LOOP(INT_MAX)) {
+
+    int len = __AFL_FUZZ_TESTCASE_LEN;
+    if (len < sizeof(float)) return 1;
+
+    /* 15 + 1/2                      = 15.5  */
+    /* 15 + 1/2 + 1/8                = 15.625  */
+    /* 15 + 1/2 + 1/8 + 1/32         = 15.65625  */
+    /* 15 + 1/2 + 1/8 + 1/32 + 1/128 = 15.6640625  */
+    if ((*magic >= 15.0 + 0.5 + 0.125 + 0.03125) &&
+        (*magic <= 15.0 + 0.5 + 0.125 + 0.03125 + 0.0078125))
+      abort();
+
+  }
+
+  return 0;
+
+}
+