1 files changed, 51 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_cache2-01b-basic-datasize.js b/netwerk/test/unit/test_cache2-01b-basic-datasize.js
new file mode 100644
index 0000000000..f7b090958f
--- /dev/null
+++ b/netwerk/test/unit/test_cache2-01b-basic-datasize.js
@@ -0,0 +1,51 @@
+"use strict";
+
+function run_test() {
+  do_get_profile();
+
+  // Open for write, write
+  asyncOpenCacheEntry(
+    "http://a/",
+    "disk",
+    Ci.nsICacheStorage.OPEN_NORMALLY,
+    null,
+    new OpenCallback(NEW | WAITFORWRITE, "a1m", "a1d", function (entry) {
+      // Open for read and check
+      Assert.equal(entry.dataSize, 3);
+      asyncOpenCacheEntry(
+        "http://a/",
+        "disk",
+        Ci.nsICacheStorage.OPEN_NORMALLY,
+        null,
+        new OpenCallback(NORMAL, "a1m", "a1d", function (entry) {
+          // Open for rewrite (truncate), write different meta and data
+          Assert.equal(entry.dataSize, 3);
+          asyncOpenCacheEntry(
+            "http://a/",
+            "disk",
+            Ci.nsICacheStorage.OPEN_TRUNCATE,
+            null,
+            new OpenCallback(NEW | WAITFORWRITE, "a2m", "a2d", function (
+              entry
+            ) {
+              // Open for read and check
+              Assert.equal(entry.dataSize, 3);
+              asyncOpenCacheEntry(
+                "http://a/",
+                "disk",
+                Ci.nsICacheStorage.OPEN_NORMALLY,
+                null,
+                new OpenCallback(NORMAL, "a2m", "a2d", function (entry) {
+                  Assert.equal(entry.dataSize, 3);
+                  finish_cache2_test();
+                })
+              );
+            })
+          );
+        })
+      );
+    })
+  );
+
+  do_test_pending();
+}