tests: Verify the URLRequest method setter can throw

tests/tests/swfs/avm2/urlrequest/Test.as

@@ -0,0 +1,22 @@
+package {
+    import flash.display.Sprite;
+    public class Test extends Sprite {
+    }
+}
+
+import flash.net.*;
+
+var request = new URLRequest();
+
+request.url = null;
+
+var methods = ["GET", "get", "Get", "POST", "post", "PoST", "PUT", "put", "DELETE"];
+for each (var method in methods) {
+    trace("// '" + method + "' method");
+    try {
+        request.method = method;
+        trace("request.method: " + request.method);
+    } catch (e) {
+        trace("error: " + e);
+    }
+}

tests/tests/swfs/avm2/urlrequest/output.txt

@@ -0,0 +1,18 @@
+// 'GET' method
+request.method: GET
+// 'get' method
+request.method: get
+// 'Get' method
+error: ArgumentError: Error #2008: Parameter method must be one of the accepted values.
+// 'POST' method
+request.method: POST
+// 'post' method
+request.method: post
+// 'PoST' method
+error: ArgumentError: Error #2008: Parameter method must be one of the accepted values.
+// 'PUT' method
+error: ArgumentError: Error #2008: Parameter method must be one of the accepted values.
+// 'put' method
+error: ArgumentError: Error #2008: Parameter method must be one of the accepted values.
+// 'DELETE' method
+error: ArgumentError: Error #2008: Parameter method must be one of the accepted values.

tests/tests/swfs/avm2/urlrequest/test.toml

@@ -0,0 +1 @@
+num_frames = 1