1 files changed, 128 insertions, 0 deletions
diff --git a/netwerk/test/gtest/TestURIMutator.cpp b/netwerk/test/gtest/TestURIMutator.cpp
new file mode 100644
index 0000000000..cd45457a3c
--- /dev/null
+++ b/netwerk/test/gtest/TestURIMutator.cpp
@@ -0,0 +1,128 @@
+#include "gtest/gtest.h"
+#include "nsCOMPtr.h"
+#include "nsNetCID.h"
+#include "nsIURIMutator.h"
+#include "nsIURL.h"
+#include "nsThreadPool.h"
+#include "nsNetUtil.h"
+
+TEST(TestURIMutator, Mutator)
+{
+  nsAutoCString out;
+
+  // This test instantiates a new nsStandardURL::Mutator (via contractID)
+  // and uses it to create a new URI.
+  nsCOMPtr<nsIURI> uri;
+  nsresult rv = NS_MutateURI(NS_STANDARDURLMUTATOR_CONTRACTID)
+                    .SetSpec("http://example.com"_ns)
+                    .Finalize(uri);
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(uri->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "http://example.com/"_ns);
+
+  // This test verifies that we can use NS_MutateURI to change a URI
+  rv = NS_MutateURI(uri)
+           .SetScheme("ftp"_ns)
+           .SetHost("mozilla.org"_ns)
+           .SetPathQueryRef("/path?query#ref"_ns)
+           .Finalize(uri);
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(uri->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "ftp://mozilla.org/path?query#ref"_ns);
+
+  // This test verifies that we can pass nsIURL to Finalize, and
+  nsCOMPtr<nsIURL> url;
+  rv = NS_MutateURI(uri).SetScheme("https"_ns).Finalize(url);
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(url->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path?query#ref"_ns);
+
+  // This test verifies that we can pass nsIURL** to Finalize.
+  // We need to use the explicit template because it's actually passing
+  // getter_AddRefs
+  nsCOMPtr<nsIURL> url2;
+  rv = NS_MutateURI(url)
+           .SetRef("newref"_ns)
+           .Finalize<nsIURL>(getter_AddRefs(url2));
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(url2->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path?query#newref"_ns);
+
+  // This test verifies that we can pass nsIURI** to Finalize.
+  // No need to be explicit.
+  auto functionSetRef = [](nsIURI* aURI, nsIURI** aResult) -> nsresult {
+    return NS_MutateURI(aURI).SetRef("originalRef"_ns).Finalize(aResult);
+  };
+
+  nsCOMPtr<nsIURI> newURI;
+  rv = functionSetRef(url2, getter_AddRefs(newURI));
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(newURI->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path?query#originalRef"_ns);
+
+  // This test verifies that we can pass nsIURI** to Finalize.
+  nsCOMPtr<nsIURI> uri2;
+  rv =
+      NS_MutateURI(url2).SetQuery("newquery"_ns).Finalize(getter_AddRefs(uri2));
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(uri2->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path?newquery#newref"_ns);
+
+  // This test verifies that we can pass nsIURI** to Finalize.
+  // No need to be explicit.
+  auto functionSetQuery = [](nsIURI* aURI, nsIURL** aResult) -> nsresult {
+    return NS_MutateURI(aURI).SetQuery("originalQuery"_ns).Finalize(aResult);
+  };
+
+  nsCOMPtr<nsIURL> newURL;
+  rv = functionSetQuery(uri2, getter_AddRefs(newURL));
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(newURL->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path?originalQuery#newref"_ns);
+
+  // Check that calling Finalize twice will fail.
+  NS_MutateURI mutator(newURL);
+  rv = mutator.SetQuery(""_ns).Finalize(uri2);
+  ASSERT_EQ(rv, NS_OK);
+  ASSERT_EQ(uri2->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "https://mozilla.org/path#newref"_ns);
+  nsCOMPtr<nsIURI> uri3;
+  rv = mutator.Finalize(uri3);
+  ASSERT_EQ(rv, NS_ERROR_NOT_AVAILABLE);
+  ASSERT_TRUE(uri3 == nullptr);
+}
+
+extern MOZ_THREAD_LOCAL(uint32_t) gTlsURLRecursionCount;
+
+TEST(TestURIMutator, OnAnyThread)
+{
+  nsCOMPtr<nsIThreadPool> pool = new nsThreadPool();
+  pool->SetThreadLimit(60);
+
+  pool = new nsThreadPool();
+  for (int i = 0; i < 1000; ++i) {
+    nsCOMPtr<nsIRunnable> task =
+        NS_NewRunnableFunction("gtest-OnAnyThread", []() {
+          nsCOMPtr<nsIURI> uri;
+          nsresult rv = NS_NewURI(getter_AddRefs(uri), "http://example.com"_ns);
+          ASSERT_EQ(rv, NS_OK);
+          nsAutoCString out;
+          ASSERT_EQ(uri->GetSpec(out), NS_OK);
+          ASSERT_TRUE(out == "http://example.com/"_ns);
+        });
+    EXPECT_TRUE(task);
+
+    pool->Dispatch(task, NS_DISPATCH_NORMAL);
+  }
+
+  nsCOMPtr<nsIURI> uri;
+  nsresult rv = NS_NewURI(getter_AddRefs(uri), "http://example.com"_ns);
+  ASSERT_EQ(rv, NS_OK);
+  nsAutoCString out;
+  ASSERT_EQ(uri->GetSpec(out), NS_OK);
+  ASSERT_TRUE(out == "http://example.com/"_ns);
+
+  pool->Shutdown();
+
+  ASSERT_EQ(gTlsURLRecursionCount.get(), 0u);
+}