A small stress test that SimpleCache can't seem to handle.

net/disk_cache/entry_unittest.cc

Index: net/disk_cache/entry_unittest.cc
diff --git a/net/disk_cache/entry_unittest.cc b/net/disk_cache/entry_unittest.cc
index 359f7250845df4609a4872fe3473a8d2093185a1..a26ecaaa9bedd4d67b8270596d19b3c604180772 100644
--- a/net/disk_cache/entry_unittest.cc
+++ b/net/disk_cache/entry_unittest.cc
@@ -2342,6 +2342,33 @@ TEST_F(DiskCacheEntryTest, SimpleCacheInternalAsyncIO) {
   InternalAsyncIO();
 }
 
+TEST_F(DiskCacheEntryTest, SimpleCacheStress) {
+  SetSimpleCacheMode();
+  InitCache();
+
+  disk_cache::Entry* entry = NULL;
+
+  std::string stream0 = "0";
+  std::string stream1 = "1";
+  scoped_refptr<net::StringIOBuffer> buff0(new net::StringIOBuffer(stream0));
+  scoped_refptr<net::StringIOBuffer> buff1(new net::StringIOBuffer(stream1));
+
+  for (int i = 0; i < 100; ++i) {
+    ASSERT_EQ(net::OK, CreateEntry("foo", &entry));
+    EXPECT_EQ(buff0->size(),
+              WriteData(entry, 0, 0, buff0.get(), buff0->size(), false));
+    EXPECT_EQ(buff1->size(),
+              WriteData(entry, 1, 0, buff1.get(), buff1->size(), false));
+    entry->Close();
+    entry = NULL;
+
+    ASSERT_EQ(net::OK, OpenEntry("foo", &entry));
+    entry->Doom();
+    entry->Close();
+    entry = NULL;
+  }
+}
+
 TEST_F(DiskCacheEntryTest, SimpleCacheExternalAsyncIO) {
   SetSimpleCacheMode();
   InitCache();