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-rw-r--r--xpcom/tests/gtest/TestSegmentedBuffer.cpp41
1 files changed, 41 insertions, 0 deletions
diff --git a/xpcom/tests/gtest/TestSegmentedBuffer.cpp b/xpcom/tests/gtest/TestSegmentedBuffer.cpp
new file mode 100644
index 0000000000..136e35d489
--- /dev/null
+++ b/xpcom/tests/gtest/TestSegmentedBuffer.cpp
@@ -0,0 +1,41 @@
+/* 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 "../../io/nsSegmentedBuffer.h"
+#include "nsIEventTarget.h"
+
+using namespace mozilla;
+
+TEST(SegmentedBuffer, AppendAndDelete)
+{
+ auto buf = MakeUnique<nsSegmentedBuffer>();
+ buf->Init(4);
+ char* seg;
+ bool empty;
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(!empty) << "DeleteFirstSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(!empty) << "DeleteFirstSegment failed";
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ seg = buf->AppendNewSegment();
+ EXPECT_TRUE(seg) << "AppendNewSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(!empty) << "DeleteFirstSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(!empty) << "DeleteFirstSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(!empty) << "DeleteFirstSegment failed";
+ empty = buf->DeleteFirstSegment();
+ EXPECT_TRUE(empty) << "DeleteFirstSegment failed";
+}