Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk
git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/helpers_unittest.cc b/talk/base/helpers_unittest.cc
new file mode 100644
index 0000000..0fe1d5b
--- /dev/null
+++ b/talk/base/helpers_unittest.cc
@@ -0,0 +1,83 @@
+/*
+ * libjingle
+ * Copyright 2004--2011, Google Inc.
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 <string>
+
+#include "talk/base/gunit.h"
+#include "talk/base/helpers.h"
+
+namespace talk_base {
+
+TEST(RandomTest, TestCreateRandomId) {
+ CreateRandomId();
+}
+
+TEST(RandomTest, TestCreateRandomDouble) {
+ for (int i = 0; i < 100; ++i) {
+ double r = CreateRandomDouble();
+ EXPECT_GE(r, 0.0);
+ EXPECT_LT(r, 1.0);
+ }
+}
+
+TEST(RandomTest, TestCreateNonZeroRandomId) {
+ EXPECT_NE(0U, CreateRandomNonZeroId());
+}
+
+TEST(RandomTest, TestCreateRandomString) {
+ std::string random = CreateRandomString(256);
+ EXPECT_EQ(256U, random.size());
+ std::string random2;
+ EXPECT_TRUE(CreateRandomString(256, &random2));
+ EXPECT_NE(random, random2);
+ EXPECT_EQ(256U, random2.size());
+}
+
+TEST(RandomTest, TestCreateRandomForTest) {
+ // Make sure we get the output we expect.
+ SetRandomTestMode(true);
+ EXPECT_EQ(2154761789U, CreateRandomId());
+ EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
+
+ // Reset and make sure we get the same output.
+ SetRandomTestMode(true);
+ EXPECT_EQ(2154761789U, CreateRandomId());
+ EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
+
+ // Test different character sets.
+ SetRandomTestMode(true);
+ std::string str;
+ EXPECT_TRUE(CreateRandomString(16, "a", &str));
+ EXPECT_EQ("aaaaaaaaaaaaaaaa", str);
+ EXPECT_TRUE(CreateRandomString(16, "abc", &str));
+ EXPECT_EQ("acbccaaaabbaacbb", str);
+
+ // Turn off test mode for other tests.
+ SetRandomTestMode(false);
+}
+
+} // namespace talk_base