Add second batch of fuzzers for libutils

This adds fuzzers for:
- CallStack
- Looper
- LruCache
- Printer
- ProcessCallStack
- PropertyMap
- RWLock
- RefBase
- StopWatch.
Test: Ran each fuzzer for 10 minutes. Rough coverage est. (likely far below actual value): 10.97%

Signed-off-by: Dylan Katz <dylan.katz@leviathansecurity.com>
Change-Id: I2f9f35c18b13338c282fb7f9c3ea4099ecb2c56f

1 files changed, 5 insertions, 39 deletions

diff --git a/libutils/Looper_test.cpp b/libutils/Looper_test.cpp
index 37bdf0544..34f424b83 100644
--- a/libutils/Looper_test.cpp
+++ b/libutils/Looper_test.cpp
@@ -2,12 +2,13 @@
 // Copyright 2010 The Android Open Source Project
 //
 
-#include <utils/Looper.h>
-#include <utils/Timers.h>
-#include <utils/StopWatch.h>
 #include <gtest/gtest.h>
-#include <unistd.h>
 #include <time.h>
+#include <unistd.h>
+#include <utils/Looper.h>
+#include <utils/StopWatch.h>
+#include <utils/Timers.h>
+#include "Looper_test_pipe.h"
 
 #include <utils/threads.h>
 
@@ -24,41 +25,6 @@ enum {
     MSG_TEST4 = 4,
 };
 
-class Pipe {
-public:
-    int sendFd;
-    int receiveFd;
-
-    Pipe() {
-        int fds[2];
-        ::pipe(fds);
-
-        receiveFd = fds[0];
-        sendFd = fds[1];
-    }
-
-    ~Pipe() {
-        if (sendFd != -1) {
-            ::close(sendFd);
-        }
-
-        if (receiveFd != -1) {
-            ::close(receiveFd);
-        }
-    }
-
-    status_t writeSignal() {
-        ssize_t nWritten = ::write(sendFd, "*", 1);
-        return nWritten == 1 ? 0 : -errno;
-    }
-
-    status_t readSignal() {
-        char buf[1];
-        ssize_t nRead = ::read(receiveFd, buf, 1);
-        return nRead == 1 ? 0 : nRead == 0 ? -EPIPE : -errno;
-    }
-};
-
 class DelayedTask : public Thread {
     int mDelayMillis;