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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.WebAssembly.Diagnostics;
using Newtonsoft.Json.Linq;
using Xunit;
namespace DebuggerTests
{
public class ExceptionTests : DebuggerTestBase
{
[Fact]
public async Task ExceptionTestAll()
{
var insp = new Inspector();
//Collect events
var scripts = SubscribeToScripts(insp);
int line = 15;
int col = 20;
string entry_method_name = "[debugger-test] DebuggerTests.ExceptionTestsClass:TestExceptions";
await Ready();
await insp.Ready(async (cli, token) =>
{
ctx = new DebugTestContext(cli, insp, token, scripts);
var debugger_test_loc = "dotnet://debugger-test.dll/debugger-exception-test.cs";
await SetPauseOnException("all");
var eval_expr = "window.setTimeout(function() { invoke_static_method (" +
$"'{entry_method_name}'" +
"); }, 1);";
var pause_location = await EvaluateAndCheck(eval_expr, null, 0, 0, null);
//stop in the managed caught exception
pause_location = await WaitForManagedException(pause_location);
AssertEqual("run", pause_location["callFrames"]?[0]?["functionName"]?.Value<string>(), "pause0");
await CheckValue(pause_location["data"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "DebuggerTests.CustomException",
uncaught = false
}), "exception0.data");
var exception_members = await GetProperties(pause_location["data"]["objectId"]?.Value<string>());
CheckString(exception_members, "message", "not implemented caught");
pause_location = await WaitForManagedException(null);
AssertEqual("run", pause_location["callFrames"]?[0]?["functionName"]?.Value<string>(), "pause1");
//stop in the uncaught exception
CheckLocation(debugger_test_loc, 28, 16, scripts, pause_location["callFrames"][0]["location"]);
await CheckValue(pause_location["data"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "DebuggerTests.CustomException",
uncaught = true
}), "exception1.data");
exception_members = await GetProperties(pause_location["data"]["objectId"]?.Value<string>());
CheckString(exception_members, "message", "not implemented uncaught");
});
}
[Fact]
public async Task JSExceptionTestAll()
{
var insp = new Inspector();
//Collect events
var scripts = SubscribeToScripts(insp);
await Ready();
await insp.Ready(async (cli, token) =>
{
ctx = new DebugTestContext(cli, insp, token, scripts);
await SetPauseOnException("all");
var eval_expr = "window.setTimeout(function () { exceptions_test (); }, 1)";
var pause_location = await EvaluateAndCheck(eval_expr, null, 0, 0, "exception_caught_test", null, null);
Assert.Equal("exception", pause_location["reason"]);
await CheckValue(pause_location["data"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "TypeError",
uncaught = false
}), "exception0.data");
var exception_members = await GetProperties(pause_location["data"]["objectId"]?.Value<string>());
CheckString(exception_members, "message", "exception caught");
pause_location = await SendCommandAndCheck(null, "Debugger.resume", null, 0, 0, "exception_uncaught_test");
Assert.Equal("exception", pause_location["reason"]);
await CheckValue(pause_location["data"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "RangeError",
uncaught = true
}), "exception1.data");
exception_members = await GetProperties(pause_location["data"]["objectId"]?.Value<string>());
CheckString(exception_members, "message", "exception uncaught");
});
}
// FIXME? BUG? We seem to get the stack trace for Runtime.exceptionThrown at `call_method`,
// but JS shows the original error type, and original trace
[Fact]
public async Task ExceptionTestNone()
{
var insp = new Inspector();
//Collect events
var scripts = SubscribeToScripts(insp);
string entry_method_name = "[debugger-test] DebuggerTests.ExceptionTestsClass:TestExceptions";
await Ready();
await insp.Ready(async (cli, token) =>
{
ctx = new DebugTestContext(cli, insp, token, scripts);
await SetPauseOnException("none");
var eval_expr = "window.setTimeout(function() { invoke_static_method (" +
$"'{entry_method_name}'" +
"); }, 1);";
try
{
await EvaluateAndCheck(eval_expr, null, 0, 0, "", null, null);
}
catch (ArgumentException ae)
{
var eo = JObject.Parse(ae.Message);
// AssertEqual (line, eo ["exceptionDetails"]?["lineNumber"]?.Value<int> (), "lineNumber");
AssertEqual("Uncaught", eo["exceptionDetails"]?["text"]?.Value<string>(), "text");
await CheckValue(eo["exceptionDetails"]?["exception"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "Error" // BUG?: "DebuggerTests.CustomException"
}), "exception");
return;
}
Assert.True(false, "Expected to get an ArgumentException from the uncaught user exception");
});
}
[Fact]
public async Task JSExceptionTestNone()
{
var insp = new Inspector();
//Collect events
var scripts = SubscribeToScripts(insp);
await Ready();
await insp.Ready(async (cli, token) =>
{
ctx = new DebugTestContext(cli, insp, token, scripts);
await SetPauseOnException("none");
var eval_expr = "window.setTimeout(function () { exceptions_test (); }, 1)";
int line = 44;
try
{
await EvaluateAndCheck(eval_expr, null, 0, 0, "", null, null);
}
catch (ArgumentException ae)
{
Console.WriteLine($"{ae}");
var eo = JObject.Parse(ae.Message);
AssertEqual(line, eo["exceptionDetails"]?["lineNumber"]?.Value<int>(), "lineNumber");
AssertEqual("Uncaught", eo["exceptionDetails"]?["text"]?.Value<string>(), "text");
await CheckValue(eo["exceptionDetails"]?["exception"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = "RangeError"
}), "exception");
return;
}
Assert.True(false, "Expected to get an ArgumentException from the uncaught user exception");
});
}
[Theory]
[InlineData("function () { exceptions_test (); }", null, 0, 0, "exception_uncaught_test", "RangeError", "exception uncaught")]
[InlineData("function () { invoke_static_method ('[debugger-test] DebuggerTests.ExceptionTestsClass:TestExceptions'); }",
"dotnet://debugger-test.dll/debugger-exception-test.cs", 28, 16, "run",
"DebuggerTests.CustomException", "not implemented uncaught")]
public async Task ExceptionTestUncaught(string eval_fn, string loc, int line, int col, string fn_name,
string exception_type, string exception_message)
{
var insp = new Inspector();
//Collect events
var scripts = SubscribeToScripts(insp);
await Ready();
await insp.Ready(async (cli, token) =>
{
ctx = new DebugTestContext(cli, insp, token, scripts);
await SetPauseOnException("uncaught");
var eval_expr = $"window.setTimeout({eval_fn}, 1);";
var pause_location = await EvaluateAndCheck(eval_expr, loc, line, col, fn_name);
Assert.Equal("exception", pause_location["reason"]);
await CheckValue(pause_location["data"], JObject.FromObject(new
{
type = "object",
subtype = "error",
className = exception_type,
uncaught = true
}), "exception.data");
var exception_members = await GetProperties(pause_location["data"]["objectId"]?.Value<string>());
CheckString(exception_members, "message", exception_message);
});
}
async Task<JObject> WaitForManagedException(JObject pause_location)
{
while (true)
{
if (pause_location != null)
{
AssertEqual("exception", pause_location["reason"]?.Value<string>(), $"Expected to only pause because of an exception. {pause_location}");
// return in case of a managed exception, and ignore JS ones
if (pause_location["data"]?["objectId"]?.Value<string>()?.StartsWith("dotnet:object:") == true)
{
break;
}
}
pause_location = await SendCommandAndCheck(JObject.FromObject(new { }), "Debugger.resume", null, 0, 0, null);
}
return pause_location;
}
}
}
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