Update the received slices vector when stream is written to disk

content/browser/download/parallel_download_utils_unittest.cc

Index: content/browser/download/parallel_download_utils_unittest.cc
diff --git a/content/browser/download/parallel_download_utils_unittest.cc b/content/browser/download/parallel_download_utils_unittest.cc
index abab9428a6c8786ea138d6e008086c47408fcb04..cc2c9e11887f5cc0b962625fab2d1f709def1a34 100644
--- a/content/browser/download/parallel_download_utils_unittest.cc
+++ b/content/browser/download/parallel_download_utils_unittest.cc
@@ -39,4 +39,25 @@ TEST(ParallelDownloadUtilsTest, FindNextSliceToDownload) {
   EXPECT_EQ(500, slice.received_bytes);
 }
 
+TEST(ParallelDownloadUtilsTest, AddReceivedSliceToSortedArray) {
+  std::vector<DownloadItem::ReceivedSlice> slices;
+  DownloadItem::ReceivedSlice slice1(500, 500);
+  EXPECT_EQ(0, AddReceivedSliceToSortedArray(slice1, slices));
+  EXPECT_EQ(1u, slices.size());
+  EXPECT_EQ(slice1, slices[0]);
+
+  DownloadItem::ReceivedSlice slice2(1000, 400);
+  EXPECT_EQ(1, AddReceivedSliceToSortedArray(slice2, slices));
+  EXPECT_EQ(2u, slices.size());
+  EXPECT_EQ(slice1, slices[0]);
+  EXPECT_EQ(slice2, slices[1]);
+
+  DownloadItem::ReceivedSlice slice3(0, 50);
+  EXPECT_EQ(0, AddReceivedSliceToSortedArray(slice3, slices));
+  EXPECT_EQ(3u, slices.size());
+  EXPECT_EQ(slice3, slices[0]);
+  EXPECT_EQ(slice1, slices[1]);
+  EXPECT_EQ(slice2, slices[2]);

[xingliu, 2017/03/07 22:18:13]

nit%: Can we add another case here that inserts something in the middle?

[qinmin, 2017/03/08 18:46:33]

Done.

+}
+
 }  // namespace content