summaryrefslogtreecommitdiffstats
path: root/xpcom/tests/gtest/TestStringStream.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xpcom/tests/gtest/TestStringStream.cpp')
-rw-r--r--xpcom/tests/gtest/TestStringStream.cpp65
1 files changed, 65 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestStringStream.cpp b/xpcom/tests/gtest/TestStringStream.cpp
new file mode 100644
index 000000000..5591ed588
--- /dev/null
+++ b/xpcom/tests/gtest/TestStringStream.cpp
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "gtest/gtest.h"
+#include "Helpers.h"
+#include "nsICloneableInputStream.h"
+#include "nsStringStream.h"
+#include "nsTArray.h"
+#include "nsIInputStream.h"
+#include "nsCOMPtr.h"
+
+namespace {
+
+static void TestStringStream(uint32_t aNumBytes)
+{
+ nsTArray<char> inputData;
+ testing::CreateData(aNumBytes, inputData);
+ nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
+
+ nsCOMPtr<nsIInputStream> stream;
+ nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+
+ testing::ConsumeAndValidateStream(stream, inputString);
+}
+
+static void TestStringStreamClone(uint32_t aNumBytes)
+{
+ nsTArray<char> inputData;
+ testing::CreateData(aNumBytes, inputData);
+ nsDependentCSubstring inputString(inputData.Elements(), inputData.Length());
+
+ nsCOMPtr<nsIInputStream> stream;
+ nsresult rv = NS_NewCStringInputStream(getter_AddRefs(stream), inputString);
+ ASSERT_TRUE(NS_SUCCEEDED(rv));
+
+ nsCOMPtr<nsICloneableInputStream> cloneable = do_QueryInterface(stream);
+ ASSERT_TRUE(cloneable != nullptr);
+ ASSERT_TRUE(cloneable->GetCloneable());
+
+ nsCOMPtr<nsIInputStream> clone;
+ rv = cloneable->Clone(getter_AddRefs(clone));
+
+ testing::ConsumeAndValidateStream(stream, inputString);
+
+ // Release the stream to verify that the clone's string survives correctly.
+ stream = nullptr;
+
+ testing::ConsumeAndValidateStream(clone, inputString);
+}
+
+} // namespace
+
+TEST(StringStream, Simple_4k)
+{
+ TestStringStream(1024 * 4);
+}
+
+TEST(StringStream, Clone_4k)
+{
+ TestStringStreamClone(1024 * 4);
+}