[wasm][debugger] SetException on all the inspector waiters for uncaught exceptions

2 files changed, 43 insertions, 0 deletions

diff --git a/sdks/wasm/DebuggerTestSuite/Support.cs b/sdks/wasm/DebuggerTestSuite/Support.cs
index 38b844fc289..a9ffeff99be 100644
--- a/sdks/wasm/DebuggerTestSuite/Support.cs
+++ b/sdks/wasm/DebuggerTestSuite/Support.cs
@@ -42,6 +42,12 @@ namespace DebuggerTests
 			eventListeners[evtName] = cb;
 		}
 
+		void FailAllWaitersWithException (JObject exception)
+		{
+			foreach (var tcs in notifications.Values)
+				tcs.SetException (new ArgumentException (exception.ToString ()));
+		}
+
 		async Task OnMessage(string method, JObject args, CancellationToken token)
 		{
 			//System.Console.WriteLine("OnMessage " + method + args);
@@ -58,6 +64,8 @@ namespace DebuggerTests
 			}
 			if (eventListeners.ContainsKey (method))
 				await eventListeners[method](args, token);
+			else if (String.Compare (method, "Runtime.exceptionThrown") == 0)
+				FailAllWaitersWithException (args);
 		}
 
 		public async Task Ready (Func<InspectorClient, CancellationToken, Task> cb = null, TimeSpan? span = null) {
diff --git a/sdks/wasm/DebuggerTestSuite/Tests.cs b/sdks/wasm/DebuggerTestSuite/Tests.cs
index 9f621caaac8..8fd1ff368f6 100644
--- a/sdks/wasm/DebuggerTestSuite/Tests.cs
+++ b/sdks/wasm/DebuggerTestSuite/Tests.cs
@@ -31,6 +31,8 @@ namespace DebuggerTests
 					dbgUrl = arrStr[0] + "/" + arrStr[1] + "/" + arrStr[2] + "/" + arrStr[arrStr.Length - 1];
 					dicScriptsIdToUrl[script_id] = dbgUrl;
 					dicFileToUrl[dbgUrl] = args["url"]?.Value<string>();
+				} else if (!String.IsNullOrEmpty (url)) {
+					dicFileToUrl[new Uri (url).AbsolutePath] = url;
 				}
 				await Task.FromResult (0);
 			});
@@ -160,6 +162,39 @@ namespace DebuggerTests
 			});
 		}
 
+		[Fact]
+		public async Task ExceptionThrownInJSOutOfBand () {
+			var insp = new Inspector ();
+
+			//Collect events
+			var scripts = SubscribeToScripts(insp);
+
+			await Ready ();
+			await insp.Ready (async (cli, token) => {
+				var bp1_req = JObject.FromObject(new {
+					lineNumber = 27,
+					columnNumber = 2,
+					url = dicFileToUrl["/debugger-driver.html"],
+				});
+
+				var bp1_res = await cli.SendCommand ("Debugger.setBreakpointByUrl", bp1_req, token);
+				Assert.True (bp1_res.IsOk);
+
+				var eval_req = JObject.FromObject(new {
+					expression = "window.setTimeout(function() { invoke_bad_js_test(); }, 1);",
+				});
+
+				var eval_res = await cli.SendCommand ("Runtime.evaluate", eval_req, token);
+				// Response here will be the id for the timer from JS!
+				Assert.True (eval_res.IsOk);
+
+				var ex = await Assert.ThrowsAsync<ArgumentException> (async () => await insp.WaitFor("Runtime.exceptionThrown"));
+				var ex_json = JObject.Parse (ex.Message);
+				Assert.Equal (dicFileToUrl["/debugger-driver.html"], ex_json ["exceptionDetails"]? ["url"]? .Value<string> ());
+			});
+
+		}
+
 		void CheckNumber (JToken locals, string name, int value) {
 			foreach (var l in locals) {
 				if (name != l["name"]?.Value<string> ())