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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using Microsoft.Build.Construction;
using Microsoft.Build.Framework;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace QtVsTools.Test.QtMsBuild.Build
{
[TestClass]
public class Test_Cpp20
{
private MsBuild.Build TestBuild { get; set; }
[TestMethod]
public void Cpp20()
{
using var temp = new TempProject();
temp.Clone($@"{Properties.SolutionDir}Tests\ProjectFormats\304\QtProjectV304.vcxproj");
var xml = ProjectRootElement.Open(temp.ProjectPath);
xml.AddItemDefinitionGroup()
.AddItemDefinition("ClCompile")
.AddMetadata("LanguageStandard", "stdcpp20");
xml.Save();
var srcCpp = File.ReadAllText(Path.Combine(temp.ProjectDir, "QtProjectV304.cpp"));
srcCpp = @"
#include <iostream>
#include <vector>
#include <ranges>
int foo() {
std::vector<int> numbers = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
auto result = numbers
| std::ranges::views::filter([](int n) { return n % 2 == 0; })
| std::ranges::views::transform([](int n) { return n * 2; });
for (int n : result)
std::cout << n << "" ""; // Output: 4 8 12 16 20
return 0;
}
" + srcCpp;
File.WriteAllText(Path.Combine(temp.ProjectDir, "QtProjectV304.cpp"), srcCpp);
var project = MsBuild.Evaluate(temp.ProjectPath,
("Platform", "x64"), ("Configuration", "Debug"));
TestBuild = MsBuild.Prepare(project);
MsBuild.Log.EventAdded += OnBuildEvent;
var buildOk = MsBuild.Run(TestBuild);
MsBuild.Log.EventAdded -= OnBuildEvent;
Assert.IsTrue(CppStdBefore.Values.All(x => !CppStdAfter.ContainsKey(x)
|| CppStdBefore[x] == CppStdAfter[x]));
Assert.IsTrue(buildOk);
}
private Dictionary<string, string> CppStdBefore { get; set; } = null;
private Dictionary<string, string> CppStdAfter { get; set; } = null;
private void OnBuildEvent(object sender, EventArgs e)
{
if (e is TargetStartedEventArgs { TargetName: "QtUpdateCompilerOptions" }) {
CppStdBefore = TestBuild.Project.GetItems("ClCompile")
.ToDictionary(x => x.EvaluatedInclude, x => x.GetMetadataValue("LanguageStandard"));
} else if (e is TargetFinishedEventArgs { TargetName: "QtUpdateCompilerOptions" }) {
CppStdAfter = TestBuild.Project.GetItems("ClCompile")
.ToDictionary(x => x.EvaluatedInclude, x => x.GetMetadataValue("LanguageStandard"));
}
}
}
}
|
