import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/test/unit/test_streamcopier.js

@@ -0,0 +1,53 @@
+var testStr = "This is a test. ";
+for (var i = 0; i < 10; ++i) {
+  testStr += testStr;
+}
+
+function run_test() {
+  // Set up our stream to copy
+  var inStr = Cc["@mozilla.org/io/string-input-stream;1"]
+                .createInstance(Ci.nsIStringInputStream);
+  inStr.setData(testStr, testStr.length);
+
+  // Set up our destination stream.  Make sure to use segments a good
+  // bit smaller than our data length.
+  do_check_true(testStr.length > 1024*10);
+  var pipe = Cc["@mozilla.org/pipe;1"].createInstance(Ci.nsIPipe);
+  pipe.init(true, true, 1024, 0xffffffff, null);
+
+  var streamCopier = Cc["@mozilla.org/network/async-stream-copier;1"]
+                       .createInstance(Ci.nsIAsyncStreamCopier);
+  streamCopier.init(inStr, pipe.outputStream, null, true, true, 1024, true, true);
+
+  var ctx = {
+  };
+  ctx.wrappedJSObject = ctx;
+  
+  var observer = {
+    onStartRequest: function(aRequest, aContext) {
+      do_check_eq(aContext.wrappedJSObject, ctx);
+    },
+    onStopRequest: function(aRequest, aContext, aStatusCode) {
+      do_check_eq(aStatusCode, 0);
+      do_check_eq(aContext.wrappedJSObject, ctx);
+      var sis =
+        Cc["@mozilla.org/scriptableinputstream;1"]
+          .createInstance(Ci.nsIScriptableInputStream);
+      sis.init(pipe.inputStream);
+      var result = "";
+      var temp;
+      try { // Need this because read() can throw at EOF
+        while ((temp = sis.read(1024))) {
+          result += temp;
+        }
+      } catch(e) {
+	do_check_eq(e.result, Components.results.NS_BASE_STREAM_CLOSED);
+      }
+      do_check_eq(result, testStr);
+      do_test_finished();
+    }
+  };
+
+  streamCopier.asyncCopy(observer, ctx);
+  do_test_pending();  
+}