Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 60 insertions, 0 deletions

diff --git a/Source/WebKit/chromium/tests/TreeTestHelpers.cpp b/Source/WebKit/chromium/tests/TreeTestHelpers.cpp
new file mode 100644
index 000000000..103b871fb
--- /dev/null
+++ b/Source/WebKit/chromium/tests/TreeTestHelpers.cpp
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+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "TreeTestHelpers.h"
+
+#include <cstdlib>
+#include <wtf/CurrentTime.h>
+
+namespace WebCore {
+namespace TreeTestHelpers {
+
+int32_t generateSeed()
+{
+    // A seed of 1 has the special behavior of resetting the random
+    // number generator. Assume that if we call this routine that we
+    // don't want this behavior.
+    int32_t seed;
+    do {
+        seed = static_cast<int32_t>(currentTime());
+    } while (seed <= 1);
+    return seed;
+}
+
+void initRandom(const int32_t seed)
+{
+    srand(seed);
+}
+
+int32_t nextRandom(const int32_t maximumValue)
+{
+    // rand_r is not available on Windows
+    return rand() % maximumValue;
+}
+
+} // namespace TreeTestHelpers
+} // namespace WebCore