Method testReparseChangeEnvironment

plugins/clang/tests/test_duchain.cpp:1222–1263

}

void TestDUChain::testReparseChangeEnvironment()
{
    TestFile header(QStringLiteral("int foo() { return 42; }\n"), QStringLiteral("h"));
    TestFile impl("#include \"" + header.url().str() + "\"\n"
                  "int main() { return foo(); }", QStringLiteral("cpp"), &header);

    uint hashes[3] = {0, 0, 0};

    for (int i = 0; i < 3; ++i) {
        impl.parse(TopDUContext::AllDeclarationsContextsAndUses | TopDUContext::AST | TopDUContext::ForceUpdate);
        QVERIFY(impl.waitForParsed(5000));

        {
            DUChainReadLocker lock;
            QVERIFY(impl.topContext());
            auto env = dynamic_cast<ClangParsingEnvironmentFile*>(impl.topContext()->parsingEnvironmentFile().data());
            QVERIFY(env);
            QCOMPARE(env->environmentQuality(), ClangParsingEnvironment::Source);
            hashes[i] = env->environmentHash();
            QVERIFY(hashes[i]);

            // we should never end up with multiple env files or chains in memory for these files
            QCOMPARE(DUChain::self()->allEnvironmentFiles(impl.url()).size(), 1);
            QCOMPARE(DUChain::self()->chainsForDocument(impl.url()).size(), 1);
            QCOMPARE(DUChain::self()->allEnvironmentFiles(header.url()).size(), 1);
            QCOMPARE(DUChain::self()->chainsForDocument(header.url()).size(), 1);
        }

        // in every run, we expect the environment to have changed
        for (int j = 0; j < i; ++j) {
            QVERIFY(hashes[i] != hashes[j]);
        }

        if (i == 0) {
            // 1) change defines
            m_provider->defines.insert(QStringLiteral("foooooooo"), QStringLiteral("baaar!"));
        } else if (i == 1) {
            // 2) change includes
            m_provider->includes.append(Path(QStringLiteral("/foo/bar/asdf/lalala")));
        } // 3) stop
    }
}

void TestDUChain::testMacroDependentHeader()
{