From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/media/gtest/MockMediaResource.cpp | 116 ++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 dom/media/gtest/MockMediaResource.cpp

(limited to 'dom/media/gtest/MockMediaResource.cpp')

diff --git a/dom/media/gtest/MockMediaResource.cpp b/dom/media/gtest/MockMediaResource.cpp
new file mode 100644
index 000000000..4e75f8d9d
--- /dev/null
+++ b/dom/media/gtest/MockMediaResource.cpp
@@ -0,0 +1,116 @@
+/* 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 "MockMediaResource.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+namespace mozilla
+{
+
+MockMediaResource::MockMediaResource(const char* aFileName, const nsACString& aContentType)
+  : mFileHandle(nullptr)
+  , mFileName(aFileName)
+  , mContentType(aContentType)
+{
+}
+
+nsresult
+MockMediaResource::Open(nsIStreamListener** aStreamListener)
+{
+  mFileHandle = fopen(mFileName, "rb");
+  if (mFileHandle == nullptr) {
+    printf_stderr("Can't open %s\n", mFileName);
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+MockMediaResource::~MockMediaResource()
+{
+  if (mFileHandle != nullptr) {
+    fclose(mFileHandle);
+  }
+}
+
+nsresult
+MockMediaResource::ReadAt(int64_t aOffset, char* aBuffer, uint32_t aCount,
+                          uint32_t* aBytes)
+{
+  if (mFileHandle == nullptr) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // Make it fail if we're re-entrant
+  if (mEntry++) {
+    MOZ_ASSERT(false);
+    return NS_ERROR_FAILURE;
+  }
+
+  fseek(mFileHandle, aOffset, SEEK_SET);
+  size_t objectsRead = fread(aBuffer, aCount, 1, mFileHandle);
+  *aBytes = objectsRead == 1 ? aCount : 0;
+
+  mEntry--;
+
+  return ferror(mFileHandle) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+int64_t
+MockMediaResource::GetLength()
+{
+  if (mFileHandle == nullptr) {
+    return -1;
+  }
+  fseek(mFileHandle, 0, SEEK_END);
+  return ftell(mFileHandle);
+}
+
+void
+MockMediaResource::MockClearBufferedRanges()
+{
+  mRanges.Clear();
+}
+
+void
+MockMediaResource::MockAddBufferedRange(int64_t aStart, int64_t aEnd)
+{
+  mRanges += MediaByteRange(aStart, aEnd);
+}
+
+int64_t
+MockMediaResource::GetNextCachedData(int64_t aOffset)
+{
+  if (!aOffset) {
+    return mRanges.Length() ? mRanges[0].mStart : -1;
+  }
+  for (size_t i = 0; i < mRanges.Length(); i++) {
+    if (aOffset == mRanges[i].mStart) {
+      ++i;
+      return i < mRanges.Length() ? mRanges[i].mStart : -1;
+    }
+  }
+  return -1;
+}
+
+int64_t
+MockMediaResource::GetCachedDataEnd(int64_t aOffset)
+{
+  for (size_t i = 0; i < mRanges.Length(); i++) {
+    if (aOffset == mRanges[i].mStart) {
+      return mRanges[i].mEnd;
+    }
+  }
+  return -1;
+}
+
+nsresult
+MockMediaResource::GetCachedRanges(MediaByteRangeSet& aRanges)
+{
+  aRanges = mRanges;
+  return NS_OK;
+}
+
+} // namespace mozilla
-- 
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