1 files changed, 24 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webrtc/RTCConfiguration-helper.js b/testing/web-platform/tests/webrtc/RTCConfiguration-helper.js
new file mode 100644
index 0000000000..fb8eb50995
--- /dev/null
+++ b/testing/web-platform/tests/webrtc/RTCConfiguration-helper.js
@@ -0,0 +1,24 @@
+'use strict';
+
+// Run a test function as two test cases.
+// The first test case test the configuration by passing a given config
+// to the constructor.
+// The second test case create an RTCPeerConnection object with default
+// configuration, then call setConfiguration with the provided config.
+// The test function is given a constructor function to create
+// a new instance of RTCPeerConnection with given config,
+// either directly as constructor parameter or through setConfiguration.
+function config_test(test_func, desc) {
+  test(() => {
+    test_func(config => new RTCPeerConnection(config));
+  }, `new RTCPeerConnection(config) - ${desc}`);
+
+  test(() => {
+    test_func(config => {
+      const pc = new RTCPeerConnection();
+      assert_idl_attribute(pc, 'setConfiguration');
+      pc.setConfiguration(config);
+      return pc;
+    })
+  }, `setConfiguration(config) - ${desc}`);
+}