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DiaSessionTests.cs
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DiaSessionTests.cs
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System;
using System.Diagnostics;
using Microsoft.TestPlatform.TestUtilities;
using Microsoft.VisualStudio.TestPlatform.ObjectModel;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace Microsoft.TestPlatform.ObjectModel.PlatformTests;
[TestClass]
public class DiaSessionTests : IntegrationTestBase
{
#if NETFRAMEWORK
private const string NET451 = "net451";
#endif
private const string NETCOREAPP21 = "netcoreapp2.1";
public static string? GetAndSetTargetFrameWork(IntegrationTestEnvironment testEnvironment)
{
var currentTargetFrameWork = testEnvironment.TargetFramework;
testEnvironment.TargetFramework =
#if NETFRAMEWORK
NET451;
#else
NETCOREAPP21;
#endif
return currentTargetFrameWork;
}
[TestMethod]
public void GetNavigationDataShouldReturnCorrectFileNameAndLineNumber()
{
var currentTargetFrameWork = GetAndSetTargetFrameWork(_testEnvironment);
var assemblyPath = GetAssetFullPath("SimpleClassLibrary.dll");
var diaSession = new DiaSession(assemblyPath);
DiaNavigationData diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.Class1", "PassingTest");
Assert.IsNotNull(diaNavigationData, "Failed to get navigation data");
StringAssert.EndsWith(diaNavigationData.FileName, @"\SimpleClassLibrary\Class1.cs");
ValidateMinLineNumber(11, diaNavigationData.MinLineNumber);
Assert.AreEqual(13, diaNavigationData.MaxLineNumber, "Incorrect max line number");
_testEnvironment.TargetFramework = currentTargetFrameWork;
}
[TestMethod]
public void GetNavigationDataShouldReturnCorrectDataForAsyncMethod()
{
var currentTargetFrameWork = GetAndSetTargetFrameWork(_testEnvironment);
var assemblyPath = GetAssetFullPath("SimpleClassLibrary.dll");
var diaSession = new DiaSession(assemblyPath);
DiaNavigationData diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.Class1+<AsyncTestMethod>d__1", "MoveNext");
Assert.IsNotNull(diaNavigationData, "Failed to get navigation data");
StringAssert.EndsWith(diaNavigationData.FileName, @"\SimpleClassLibrary\Class1.cs");
ValidateMinLineNumber(16, diaNavigationData.MinLineNumber);
Assert.AreEqual(18, diaNavigationData.MaxLineNumber, "Incorrect max line number");
_testEnvironment.TargetFramework = currentTargetFrameWork;
}
[TestMethod]
public void GetNavigationDataShouldReturnCorrectDataForOverLoadedMethod()
{
var currentTargetFrameWork = GetAndSetTargetFrameWork(_testEnvironment);
var assemblyPath = GetAssetFullPath("SimpleClassLibrary.dll");
var diaSession = new DiaSession(assemblyPath);
DiaNavigationData diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.Class1", "OverLoadedMethod");
Assert.IsNotNull(diaNavigationData, "Failed to get navigation data");
StringAssert.EndsWith(diaNavigationData.FileName, @"\SimpleClassLibrary\Class1.cs");
// Weird why DiaSession is now returning the first overloaded method
// as compared to before when it used to return second method
ValidateLineNumbers(diaNavigationData.MinLineNumber, diaNavigationData.MaxLineNumber);
_testEnvironment.TargetFramework = currentTargetFrameWork;
}
[TestMethod]
public void GetNavigationDataShouldReturnNullForNotExistMethodNameOrNotExistTypeName()
{
var currentTargetFrameWork = GetAndSetTargetFrameWork(_testEnvironment);
var assemblyPath = GetAssetFullPath("SimpleClassLibrary.dll");
var diaSession = new DiaSession(assemblyPath);
// Not exist method name
DiaNavigationData diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.Class1", "NotExistMethod");
Assert.IsNull(diaNavigationData);
// Not Exist Type name
diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.NotExistType", "PassingTest");
Assert.IsNull(diaNavigationData);
_testEnvironment.TargetFramework = currentTargetFrameWork;
}
[TestMethod]
public void DiaSessionPerfTest()
{
var currentTargetFrameWork = GetAndSetTargetFrameWork(_testEnvironment);
var assemblyPath = GetAssetFullPath("SimpleClassLibrary.dll");
var watch = Stopwatch.StartNew();
var diaSession = new DiaSession(assemblyPath);
DiaNavigationData diaNavigationData = diaSession.GetNavigationData("SimpleClassLibrary.HugeMethodSet", "MSTest_D1_01");
watch.Stop();
Assert.IsNotNull(diaNavigationData, "Failed to get navigation data");
StringAssert.EndsWith(diaNavigationData.FileName, @"\SimpleClassLibrary\HugeMethodSet.cs");
ValidateMinLineNumber(9, diaNavigationData.MinLineNumber);
Assert.AreEqual(10, diaNavigationData.MaxLineNumber);
var expectedTime = 150;
Assert.IsTrue(watch.Elapsed.Milliseconds < expectedTime, string.Format("DiaSession Perf test Actual time:{0} ms Expected time:{1} ms", watch.Elapsed.Milliseconds, expectedTime));
_testEnvironment.TargetFramework = currentTargetFrameWork;
}
private static void ValidateLineNumbers(int min, int max)
{
// Release builds optimize code, hence min line numbers are different.
if (IntegrationTestEnvironment.BuildConfiguration.StartsWith("release", StringComparison.OrdinalIgnoreCase))
{
Assert.AreEqual(min, max, "Incorrect min line number");
}
else
{
if (max == 23)
{
Assert.AreEqual(min + 1, max, "Incorrect min line number");
}
else if (max == 27)
{
Assert.AreEqual(min + 1, max, "Incorrect min line number");
}
else
{
Assert.Fail("Incorrect min/max line number");
}
}
}
private static void ValidateMinLineNumber(int expected, int actual)
{
// Release builds optimize code, hence min line numbers are different.
if (IntegrationTestEnvironment.BuildConfiguration.StartsWith("release", StringComparison.OrdinalIgnoreCase))
{
Assert.AreEqual(expected + 1, actual, "Incorrect min line number");
}
else
{
Assert.AreEqual(expected, actual, "Incorrect min line number");
}
}
}