1 files changed, 63 insertions, 0 deletions
diff --git a/xpcom/tests/TestStreamUtils.cpp b/xpcom/tests/TestStreamUtils.cpp
new file mode 100644
index 0000000000..1a24656617
--- /dev/null
+++ b/xpcom/tests/TestStreamUtils.cpp
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "nsStreamUtils.h"
+#include "nsString.h"
+#include "nsCOMPtr.h"
+
+//----
+
+static bool test_consume_stream() {
+  const char kData[] =
+      "Get your facts first, and then you can distort them as much as you "
+      "please.";
+
+  nsCOMPtr<nsIInputStream> input;
+  nsCOMPtr<nsIOutputStream> output;
+  NS_NewPipe(getter_AddRefs(input), getter_AddRefs(output), 10, UINT32_MAX);
+  if (!input || !output) return false;
+
+  uint32_t n = 0;
+  output->Write(kData, sizeof(kData) - 1, &n);
+  if (n != (sizeof(kData) - 1)) return false;
+  output = nullptr;  // close output
+
+  nsCString buf;
+  if (NS_FAILED(NS_ConsumeStream(input, UINT32_MAX, buf))) return false;
+
+  if (!buf.Equals(kData)) return false;
+
+  return true;
+}
+
+//----
+
+typedef bool (*TestFunc)();
+#define DECL_TEST(name) \
+  { #name, name }
+
+static const struct Test {
+  const char* name;
+  TestFunc func;
+} tests[] = {DECL_TEST(test_consume_stream), {nullptr, nullptr}};
+
+int main(int argc, char** argv) {
+  int count = 1;
+  if (argc > 1) count = atoi(argv[1]);
+
+  if (NS_FAILED(NS_InitXPCOM(nullptr, nullptr, nullptr))) return -1;
+
+  while (count--) {
+    for (const Test* t = tests; t->name != nullptr; ++t) {
+      printf("%25s : %s\n", t->name, t->func() ? "SUCCESS" : "FAILURE");
+    }
+  }
+
+  NS_ShutdownXPCOM(nullptr);
+  return 0;
+}