// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT license.

using System;

using System.Collections;

using System.Collections.Generic;

using System.Collections.ObjectModel;

using System.Collections.Specialized;

using System.Diagnostics.CodeAnalysis;

using System.Dynamic;

using System.Linq;

using System.Linq.Expressions;

using System.Reflection;

using System.Threading;

using Microsoft.ClearScript.V8;

using Microsoft.ClearScript.Util;

using Microsoft.ClearScript.Windows;

using Microsoft.CSharp.RuntimeBinder;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using UIAutomationClient;

namespace Microsoft.ClearScript.Test

{

[TestClass]

[DeploymentItem("ClearScriptV8-64.dll")]

[DeploymentItem("ClearScriptV8-32.dll")]

[DeploymentItem("v8-x64.dll")]

[DeploymentItem("v8-ia32.dll")]

[DeploymentItem("v8-base-x64.dll")]

[DeploymentItem("v8-base-ia32.dll")]

[SuppressMessage("Microsoft.Design", "CA1001:TypesThatOwnDisposableFieldsShouldBeDisposable", Justification = "Test classes use TestCleanupAttribute for deterministic teardown.")]

public class BugFixTest : ClearScriptTest

{

#region setup / teardown

private ScriptEngine engine;

[TestInitialize]

public void TestInitialize()

{

engine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging);

}

[TestCleanup]

public void TestCleanup()

{

engine.Dispose();

BaseTestCleanup();

}

#endregion

#region test methods

// ReSharper disable InconsistentNaming

[TestMethod, TestCategory("BugFix")]

public void BugFix_NullArgBinding()

{

var value = 123.456 as IConvertible;

engine.AddRestrictedHostObject("value", value);

Assert.AreEqual(value.ToString(null), engine.Evaluate("value.ToString(null)"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_NullArgBinding_Ambiguous()

{

engine.AddHostObject("lib", new HostTypeCollection("mscorlib"));

TestUtil.AssertException<RuntimeBinderException>(() => engine.Execute("lib.System.Console.WriteLine(null)"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_DelegateConstructionSyntax()

{

engine.AddHostObject("lib", HostItemFlags.GlobalMembers, new HostTypeCollection("mscorlib"));

var func = (Func<int, int>)engine.Evaluate("new (System.Func(System.Int32, System.Int32))(function (x) {return x * x; })");

Assert.AreEqual(25, func(5));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_DelegateConstructionSyntax_DoubleWrap()

{

engine.AddHostObject("lib", HostItemFlags.GlobalMembers, new HostTypeCollection("mscorlib"));

engine.Execute("cb = new (System.Func(System.Int32, System.Int32))(function (x) {return x * x; })");

var func = (Func<int, int>)engine.Evaluate("new (System.Func(System.Int32, System.Int32))(cb)");

Assert.AreEqual(25, func(5));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_JScript_CaseInsensitivity()

{

engine.Dispose();

engine = new JScriptEngine();

engine.Execute("abc = 1; ABC = 2; function foo() { return 3; } function FOO() { return 4; }");

Assert.AreEqual(1, engine.Script.abc);

Assert.AreEqual(2, engine.Script.ABC);

Assert.AreEqual(3, engine.Script.foo());

Assert.AreEqual(4, engine.Script.FOO());

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8ScriptInterruptCrash()

{

// run the test several times to verify post-interrupt engine functionality

for (var iteration = 0; iteration < 16; iteration++)

{

var context = new PropertyBag();

engine.AddHostObject("context", context);

using (var startEvent = new ManualResetEventSlim(false))

{

context["startEvent"] = startEvent;

var interrupted = false;

var thread = new Thread(() =>

{

try

{

engine.Execute("while (true) { context.startEvent.Set(); }");

}

catch (ScriptInterruptedException)

{

interrupted = true;

}

});

thread.Start();

startEvent.Wait();

engine.Interrupt();

thread.Join();

Assert.IsTrue(interrupted);

}

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_InheritedInterfaceMethod()

{

var list = new List<int> { 123 };

var enumerator = list.AsEnumerable().GetEnumerator();

engine.AddRestrictedHostObject("enumerator", enumerator);

Assert.IsTrue((bool)engine.Evaluate("enumerator.MoveNext()"));

Assert.AreEqual(123, engine.Evaluate("enumerator.Current"));

Assert.IsFalse((bool)engine.Evaluate("enumerator.MoveNext()"));

engine.Execute("enumerator.Dispose()");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_EnumEquality()

{

engine.AddHostObject("host", new HostFunctions());

engine.AddHostType("DayOfWeek", typeof(DayOfWeek));

engine.AddHostType("BindingFlags", typeof(BindingFlags));

Assert.IsTrue((bool)engine.Evaluate("DayOfWeek.Wednesday == DayOfWeek.Wednesday"));

Assert.IsTrue((bool)engine.Evaluate("host.flags(BindingFlags.Public, BindingFlags.Instance) == host.flags(BindingFlags.Public, BindingFlags.Instance)"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_FloatParameterBinding()

{

engine.AddHostType("Convert", typeof(Convert));

engine.Script.list = new List<float>();

const float floatPi = (float)Math.PI;

engine.Execute("list.Add(Convert.ToSingle(Math.PI))");

Assert.AreEqual(floatPi, engine.Script.list[0]);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_FloatParameterBinding_JScript()

{

engine.Dispose();

engine = new JScriptEngine();

BugFix_FloatParameterBinding();

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_UInt32RoundTrip()

{

engine.AddHostType("UInt32", typeof(uint));

Assert.AreEqual((long)uint.MaxValue, engine.Evaluate("UInt32.MaxValue"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_UInt32RoundTrip_JScript()

{

engine.Dispose();

engine = new JScriptEngine();

BugFix_UInt32RoundTrip();

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_AutoInt64FromDouble()

{

engine.AddHostType("Int32", typeof(int));

Assert.AreEqual((long)int.MaxValue * 123 + 1, engine.Evaluate("Int32.MaxValue * 123 + 1"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_CompiledScriptResult()

{

engine.Script.host = new HostFunctions();

using (var script = ((V8ScriptEngine)engine).Compile("host"))

{

Assert.IsInstanceOfType(((V8ScriptEngine)engine).Evaluate(script), typeof(HostFunctions));

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_GenericDelegateConstructorWithArgument()

{

engine.AddHostType("Func", "System.Func");

engine.AddHostType("StringT", typeof(string));

engine.AddHostType("IntT", typeof(int));

var func = (Func<string, int>)engine.Evaluate("new Func(StringT, IntT, function (s) { return s.length; })");

const string testString = "floccinaucinihilipilification";

Assert.AreEqual(testString.Length, func(testString));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_HostMethodAsArgument()

{

var testObject = new TestObject();

engine.Script.testObject = testObject;

engine.Script.expando = new ExpandoObject();

engine.AddHostType("DateTime", typeof(DateTime));

engine.Execute("expando.method = testObject.Method");

Assert.AreEqual(testObject.Method("foo", 123), engine.Evaluate("expando.method('foo', 123)"));

Assert.AreEqual(testObject.Method<DateTime>(456), engine.Evaluate("expando.method(DateTime, 456)"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_HostIndexedPropertyAsArgument()

{

var testObject = new TestObject();

engine.Script.testObject = testObject;

engine.Script.expando = new ExpandoObject();

engine.Execute("expando.property = testObject.Item");

Assert.AreEqual("foo", engine.Evaluate("expando.property.set(123, 'foo')"));

Assert.AreEqual("foo", engine.Evaluate("expando.property.get(123)"));

Assert.AreEqual("foo", engine.Evaluate("expando.property(123)"));

Assert.AreEqual(456, engine.Evaluate("expando.property.set('bar', 456)"));

Assert.AreEqual(456, engine.Evaluate("expando.property.get('bar')"));

Assert.AreEqual(456, engine.Evaluate("expando.property('bar')"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Nullable_Field()

{

engine.Script.test = new NullableTest();

Assert.IsNull(engine.Evaluate("test.Field"));

Assert.IsTrue((bool)engine.Evaluate("test.Field === null"));

engine.Execute("test.Field = 123");

Assert.AreEqual(123, engine.Evaluate("test.Field"));

Assert.IsTrue((bool)engine.Evaluate("test.Field === 123"));

engine.Execute("test.Field = null");

Assert.IsNull(engine.Evaluate("test.Field"));

Assert.IsTrue((bool)engine.Evaluate("test.Field === null"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Nullable_Property()

{

engine.Script.test = new NullableTest();

Assert.IsNull(engine.Evaluate("test.Property"));

Assert.IsTrue((bool)engine.Evaluate("test.Property === null"));

engine.Execute("test.Property = 123");

Assert.AreEqual(123, engine.Evaluate("test.Property"));

Assert.IsTrue((bool)engine.Evaluate("test.Property === 123"));

engine.Execute("test.Property = null");

Assert.IsNull(engine.Evaluate("test.Property"));

Assert.IsTrue((bool)engine.Evaluate("test.Property === null"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Nullable_ArgBinding()

{

var test = new NullableTest();

engine.Script.test = test;

Assert.IsNull(engine.Evaluate("test.Method(null)"));

Assert.AreEqual(test.Method(5), engine.Evaluate("test.Method(5)"));

Assert.AreEqual(test.Method(5.1), engine.Evaluate("test.Method(5.1)"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_GlobalObjectCrash()

{

engine.AddHostObject("random", HostItemFlags.GlobalMembers, new Random());

Assert.AreEqual("[object Object]", engine.ExecuteCommand("this"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VariantClear()

{

// ReSharper disable RedundantAssignment

var x = new object();

var wr = new WeakReference(x);

VariantClearTestHelper(x);

x = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBCallToParameterlessVBScriptSub()

{

TestUtil.InvokeVBTestSub(@"

Using engine As New VBScriptEngine

engine.Execute(""sub main : end sub"")

engine.Script.main()

End Using

");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBDynamicArgMarshaling_Numeric()

{

var result = TestUtil.InvokeVBTestFunction(@"

Using engine As New V8ScriptEngine

engine.Execute(""data = [5, 4, 'qux', 2, 1]; function getElement(i1, i2, i3) { return data[i1 + i2 - i3]; }"")

TestFunction = engine.Script.getElement(CShort(1), CLng(99), CStr(98))

End Using

");

Assert.AreEqual("qux", result);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBDynamicArgMarshaling_String()

{

var result = TestUtil.InvokeVBTestFunction(@"

Using engine As New V8ScriptEngine

engine.Execute(""data = { foo26: 123, bar97: 456.789 }; function getElement(i1, i2) { return data[i1 + i2]; }"")

TestFunction = engine.Script.getElement(""bar"", CLng(97))

End Using

");

Assert.AreEqual(456.789, result);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_AmbiguousAttribute()

{

engine.Script.foo = new AmbiguousAttributeTest();

engine.Execute("foo.Foo()");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_CoreBindCache()

{

HostItem.ResetCoreBindCache();

engine.Dispose();

for (var i = 0; i < 10; i++)

{

using (engine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging))

{

engine.Script.host = new HostFunctions();

Assert.AreEqual(' ', engine.Evaluate("host.toChar(32)"));

Assert.AreEqual('A', engine.Evaluate("host.toChar(65)"));

Assert.AreEqual(0.0F, engine.Evaluate("host.toSingle(0)"));

Assert.AreEqual(1.0F, engine.Evaluate("host.toSingle(1)"));

}

}

Assert.AreEqual(2L, HostItem.GetCoreBindCount());

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_StringWithNullChar()

{

const string value = "abc\0def";

const string value2 = "ghi\0jkl";

dynamic func = engine.Evaluate("(function (x) { return x.length; }).valueOf()");

Assert.AreEqual(value.Length, func(value));

Assert.AreEqual(value, engine.Evaluate(@"'abc\0def'"));

dynamic obj = engine.Evaluate(@"({ 'abc\0def': 'ghi\0jkl' })");

Assert.IsTrue(((DynamicObject)obj).GetDynamicMemberNames().Contains(value));

Assert.AreEqual(value2, obj[value]);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8ScriptItemWeakBinding()

{

// This test verifies that V8 script items no longer prevent their isolates from being

// destroyed. Previously it exhausted address space and crashed in 32-bit mode.

for (var i = 0; i < 128; i++)

{

using (var tempEngine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging))

{

tempEngine.Evaluate("(function () {}).valueOf()");

}

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8ScriptItemDispose()

{

dynamic item1;

using (var tempEngine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging))

{

item1 = tempEngine.Evaluate("(function () { return 123; }).valueOf()");

Assert.AreEqual(123, item1());

dynamic item2 = tempEngine.Evaluate("(function () { return 456; }).valueOf()");

using (item2 as IDisposable)

{

Assert.AreEqual(456, item2());

}

}

using (item1 as IDisposable)

{

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8CompiledScriptWeakBinding()

{

// This test verifies that V8 compiled scripts no longer prevent their isolates from

// being destroyed. Previously it exhausted address space and crashed in 32-bit mode.

for (var i = 0; i < 128; i++)

{

using (var tempEngine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging))

{

tempEngine.Compile("(function () {}).valueOf()");

}

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8CompiledScriptDispose()

{

V8Script script1;

using (var tempEngine = new V8ScriptEngine(V8ScriptEngineFlags.EnableDebugging))

{

script1 = tempEngine.Compile("(function () { return 123; })()");

Assert.AreEqual(123, tempEngine.Evaluate(script1));

V8Script script2 = tempEngine.Compile("(function () { return 456; })()");

using (script2)

{

Assert.AreEqual(456, tempEngine.Evaluate(script2));

}

}

using (script1)

{

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8ArrayBufferAllocator()

{

engine.Execute("buffer = new ArrayBuffer(12345)");

Assert.AreEqual(12345, engine.Script.buffer.byteLength);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_IDispatchExArgLeak_SetProperty_JScript()

{

// ReSharper disable RedundantAssignment

engine.Dispose();

engine = new JScriptEngine();

object x = Guid.NewGuid();

var wr = new WeakReference(x);

new Action(() =>

{

// ReSharper disable AccessToModifiedClosure

var result = x.ToString();

engine.Script.x = x;

x = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.AreEqual(result, engine.Evaluate("x.ToString()"));

engine.Script.x = null;

engine.CollectGarbage(true);

// ReSharper restore AccessToModifiedClosure

})();

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_IDispatchExArgLeak_SetProperty_VBScript()

{

// ReSharper disable RedundantAssignment

engine.Dispose();

engine = new VBScriptEngine();

object x = Guid.NewGuid();

var wr = new WeakReference(x);

new Action(() =>

{

// ReSharper disable AccessToModifiedClosure

var result = x.ToString();

engine.Script.x = x;

x = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.AreEqual(result, engine.Evaluate("x.ToString()"));

engine.Script.x = null;

engine.CollectGarbage(true);

// ReSharper restore AccessToModifiedClosure

})();

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_IDispatchExArgLeak_GetProperty_VBScript()

{

// ReSharper disable RedundantAssignment

engine.Dispose();

engine = new VBScriptEngine();

object x1 = Guid.NewGuid();

var wr1 = new WeakReference(x1);

object x2 = Guid.NewGuid();

var wr2 = new WeakReference(x2);

new Action(() =>

{

// ReSharper disable AccessToModifiedClosure

engine.Execute(@"

class MyClass

public property get foo(x1, x2)

foo = x1.ToString() & x2.ToString()

end property

end class

set bar = new MyClass

");

object result;

var bar = (DynamicObject)engine.Script.bar;

var args = new[] { "foo", HostItem.Wrap(engine, x1), HostItem.Wrap(engine, x2) };

Assert.IsTrue(bar.GetMetaObject(Expression.Constant(bar)).TryGetIndex(args, out result));

Assert.AreEqual(x1.ToString() + x2, result);

// ReSharper restore AccessToModifiedClosure

})();

x1 = null;

x2 = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr1.IsAlive);

Assert.IsFalse(wr2.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_IDispatchExArgLeak_InvokeMethod_JScript()

{

// ReSharper disable RedundantAssignment

engine.Dispose();

engine = new JScriptEngine();

object x1 = Guid.NewGuid();

var wr1 = new WeakReference(x1);

object x2 = Guid.NewGuid();

var wr2 = new WeakReference(x2);

new Action(() =>

{

// ReSharper disable AccessToModifiedClosure

engine.Execute("function foo(x1, x2) { return x1.ToString() + x2.ToString(); }");

Assert.AreEqual(x1.ToString() + x2, engine.Script.foo(x1, x2));

engine.CollectGarbage(true);

// ReSharper restore AccessToModifiedClosure

})();

x1 = null;

x2 = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr1.IsAlive);

Assert.IsFalse(wr2.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_IDispatchExArgLeak_InvokeMethod_VBScript()

{

// ReSharper disable RedundantAssignment

engine.Dispose();

engine = new VBScriptEngine();

object x1 = Guid.NewGuid();

var wr1 = new WeakReference(x1);

object x2 = Guid.NewGuid();

var wr2 = new WeakReference(x2);

new Action(() =>

{

// ReSharper disable AccessToModifiedClosure

engine.Execute("function foo(x1, x2):foo = x1.ToString() & x2.ToString():end function");

Assert.AreEqual(x1.ToString() + x2, engine.Script.foo(x1, x2));

engine.CollectGarbage(true);

// ReSharper restore AccessToModifiedClosure

})();

x1 = null;

x2 = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr1.IsAlive);

Assert.IsFalse(wr2.IsAlive);

// ReSharper restore RedundantAssignment

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8CachedObjectLeak()

{

object x = null;

WeakReference wr = null;

new Action(() =>

{

using (var tempEngine = new V8ScriptEngine())

{

tempEngine.AddHostType("Action", typeof(Action));

x = tempEngine.Evaluate("action = new Action(function () {})");

wr = new WeakReference(tempEngine);

}

})();

Assert.IsInstanceOfType(x, typeof(Action));

TestUtil.AssertException<ObjectDisposedException>((Action)x);

x = null;

GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);

GC.WaitForPendingFinalizers();

Assert.IsFalse(wr.IsAlive);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Resurrection_V8ScriptEngine()

{

for (var index = 0; index < 256; index++)

{

// ReSharper disable UnusedVariable

var wrapper = new ResurrectionTestWrapper(new V8ScriptEngine());

GC.Collect();

// ReSharper restore UnusedVariable

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Resurrection_V8Runtime()

{

for (var index = 0; index < 256; index++)

{

// ReSharper disable UnusedVariable

var wrapper = new ResurrectionTestWrapper(new V8Runtime());

GC.Collect();

// ReSharper restore UnusedVariable

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Resurrection_V8Script()

{

for (var index = 0; index < 256; index++)

{

// ReSharper disable UnusedVariable

var tempEngine = new V8ScriptEngine();

var wrapper = new ResurrectionTestWrapper(tempEngine.Compile("function foo() {}"));

GC.Collect();

// ReSharper restore UnusedVariable

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_Resurrection_V8ScriptItem()

{

for (var index = 0; index < 256; index++)

{

// ReSharper disable UnusedVariable

var tempEngine = new V8ScriptEngine();

var wrapper = new ResurrectionTestWrapper(tempEngine.Script.Math);

GC.Collect();

// ReSharper restore UnusedVariable

}

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8GlobalMembers_ReadOnlyPropertyCrash()

{

// this test is for a crash that occurred only on debug V8 builds

engine.AddHostObject("bag", HostItemFlags.GlobalMembers, new PropertyBag());

engine.AddHostObject("test", HostItemFlags.GlobalMembers, new { foo = 123 });

TestUtil.AssertException<ScriptEngineException>(() => engine.Execute("foo = 456"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8GlobalMembers_ReadOnlyPropertyCrash_Index()

{

// this test is for a crash that occurred only on debug V8 builds

engine.AddHostObject("bag", HostItemFlags.GlobalMembers, new PropertyBag());

engine.AddHostObject("test", HostItemFlags.GlobalMembers, new ReadOnlyCollection<int>(new[] { 5, 4, 3, 2, 1 }));

TestUtil.AssertException<ScriptEngineException>(() => engine.Execute("this[2] = 123"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_V8GlobalMembers_NativeFunctionHiding()

{

engine.Execute("function toString() { return 'ABC'; }");

engine.AddHostObject("bag", HostItemFlags.GlobalMembers, new PropertyBag());

Assert.AreEqual("ABC", engine.Evaluate("toString()"));

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef()

{

engine.Dispose();

engine = new VBScriptEngine();

var a = new object();

var b = new object();

var c = new object();

var x = new object();

var y = new object();

var z = new object();

engine.Script.a = a;

engine.Script.b = b;

engine.Script.c = c;

engine.Script.x = x;

engine.Script.y = y;

engine.Script.z = z;

engine.Execute("sub test(i, j, k) : i = x : j = y : k = z : end sub");

engine.Script.test(ref a, out b, ref c);

Assert.AreSame(x, a);

Assert.AreSame(y, b);

Assert.AreSame(z, c);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_Scalar()

{

engine.Dispose();

engine = new VBScriptEngine();

var a = 123;

var b = 456;

var c = 789;

const int x = 987;

const int y = 654;

const int z = 321;

engine.Script.a = a;

engine.Script.b = b;

engine.Script.c = c;

engine.Script.x = x;

engine.Script.y = y;

engine.Script.z = z;

engine.Execute("sub test(i, j, k) : i = x : j = y : k = z : end sub");

engine.Script.test(ref a, out b, ref c);

Assert.AreEqual(x, a);

Assert.AreEqual(y, b);

Assert.AreEqual(z, c);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_Enum()

{

engine.Dispose();

engine = new VBScriptEngine();

var a = DayOfWeek.Monday;

var b = DayOfWeek.Tuesday;

var c = DayOfWeek.Wednesday;

const DayOfWeek x = DayOfWeek.Sunday;

const DayOfWeek y = DayOfWeek.Saturday;

const DayOfWeek z = DayOfWeek.Friday;

engine.Script.a = a;

engine.Script.b = b;

engine.Script.c = c;

engine.Script.x = x;

engine.Script.y = y;

engine.Script.z = z;

engine.Execute("sub test(i, j, k) : i = x : j = y : k = z : end sub");

engine.Script.test(ref a, out b, ref c);

Assert.AreEqual(x, a);

Assert.AreEqual(y, b);

Assert.AreEqual(z, c);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_Struct()

{

engine.Dispose();

engine = new VBScriptEngine();

var random = new Random();

var a = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

var b = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

var c = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

var x = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

var y = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

var z = TimeSpan.FromMilliseconds(random.NextDouble() * 1000);

engine.Script.a = a;

engine.Script.b = b;

engine.Script.c = c;

engine.Script.x = x;

engine.Script.y = y;

engine.Script.z = z;

engine.Execute("sub test(i, j, k) : i = x : j = y : k = z : end sub");

engine.Script.test(ref a, out b, ref c);

Assert.AreEqual(x, a);

Assert.AreEqual(y, b);

Assert.AreEqual(z, c);

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_VB()

{

TestUtil.InvokeVBTestSub(@"

Using engine As New VBScriptEngine

Dim a = New Object

Dim b = New Object

Dim c = New Object

Dim x = New Object

Dim y = New Object

Dim z = New Object

engine.Script.a = a

engine.Script.b = b

engine.Script.c = c

engine.Script.x = x

engine.Script.y = y

engine.Script.z = z

engine.Execute(""sub test(i, j, k) : i = x : j = y : k = z : end sub"")

engine.Script.test(a, b, c)

Assert.AreSame(x, a)

Assert.AreSame(y, b)

Assert.AreSame(z, c)

End Using

");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_VB_Scalar()

{

TestUtil.InvokeVBTestSub(@"

Using engine As New VBScriptEngine

Dim a = 123

Dim b = 456

Dim c = 789

Dim x = 987

Dim y = 654

Dim z = 321

engine.Script.a = a

engine.Script.b = b

engine.Script.c = c

engine.Script.x = x

engine.Script.y = y

engine.Script.z = z

engine.Execute(""sub test(i, j, k) : i = x : j = y : k = z : end sub"")

engine.Script.test(a, b, c)

Assert.AreEqual(x, a)

Assert.AreEqual(y, b)

Assert.AreEqual(z, c)

End Using

");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_VB_Enum()

{

TestUtil.InvokeVBTestSub(@"

Using engine As New VBScriptEngine

Dim a = DayOfWeek.Monday

Dim b = DayOfWeek.Tuesday

Dim c = DayOfWeek.Wednesday

Dim x = DayOfWeek.Sunday

Dim y = DayOfWeek.Saturday

Dim z = DayOfWeek.Friday

engine.Script.a = a

engine.Script.b = b

engine.Script.c = c

engine.Script.x = x

engine.Script.y = y

engine.Script.z = z

engine.Execute(""sub test(i, j, k) : i = x : j = y : k = z : end sub"")

engine.Script.test(a, b, c)

Assert.AreEqual(x, a)

Assert.AreEqual(y, b)

Assert.AreEqual(z, c)

End Using

");

}

[TestMethod, TestCategory("BugFix")]

public void BugFix_VBScriptItemArgsByRef_VB_Struct()

{

TestUtil.InvokeVBTestSub(@"

Using engine As New VBScriptEngine

Dim random = New Random

Dim a = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

Dim b = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

Dim c = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

Dim x = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

Dim y = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

Dim z = TimeSpan.FromMilliseconds(random.NextDouble() * 1000)

engine.Script.a = a

engine.Script.b = b

engine.Script.c = c

engine.Script.x = x

engine.Script.y = y

engine.Script.z = z

engine.Execute(""sub test(i, j, k) : i = x : j = y : k = z : end sub"")

engine.Script.test(a, b, c)

Assert.AreEqual(x, a)

Assert.AreEqual(y, b)

Assert.AreEqual(z, c)