1 files changed, 35 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_cache2-23-read-over-chunk.js b/netwerk/test/unit/test_cache2-23-read-over-chunk.js
new file mode 100644
index 000000000..92959645d
--- /dev/null
+++ b/netwerk/test/unit/test_cache2-23-read-over-chunk.js
@@ -0,0 +1,35 @@
+Components.utils.import('resource://gre/modules/LoadContextInfo.jsm');
+
+function run_test()
+{
+  do_get_profile();
+
+  if (!newCacheBackEndUsed()) {
+    do_check_true(true, "This test checks only cache2 specific behavior.");
+    return;
+  }
+
+  const kChunkSize = (256 * 1024);
+
+  var payload = "";
+  for (var i = 0; i < (kChunkSize + 10); ++i) {
+    if (i < (kChunkSize - 5))
+      payload += "0";
+    else
+      payload += String.fromCharCode(i + 65);
+  }
+
+  asyncOpenCacheEntry("http://read/", "disk", Ci.nsICacheStorage.OPEN_TRUNCATE, LoadContextInfo.default,
+    new OpenCallback(NEW|WAITFORWRITE, "", payload, function(entry) {
+      var is = entry.openInputStream(0);
+      pumpReadStream(is, function(read) {
+        do_check_eq(read.length, kChunkSize + 10);
+        is.close();
+        do_check_true(read == payload); // not using do_check_eq since logger will fail for the 1/4MB string
+        finish_cache2_test();
+      });
+    })
+  );
+
+  do_test_pending();
+}