Method testIncludeExternC

plugins/clang/tests/test_duchain.cpp:1828–1857

}

void TestDUChain::testIncludeExternC()
{
    TestFile header(QStringLiteral("int foo() { return 42; }\n"), QStringLiteral("h"));
    // NOTE: header is _not_ explicitly being parsed, instead the impl job does that

    const auto code = R"(
        extern "C" {
            #include "%1"
        }
        int main() { return foo(); }
    )";
    TestFile impl(QString::fromUtf8(code).arg(header.url().str()), QStringLiteral("cpp"), &header);
    impl.parse(TopDUContext::AllDeclarationsContextsAndUses);
    QVERIFY(impl.waitForParsed());

    DUChainReadLocker lock;

    auto implCtx = impl.topContext();
    QVERIFY(implCtx);
    QCOMPARE(implCtx->localDeclarations().size(), 1);

    auto headerCtx = DUChain::self()->chainForDocument(header.url());
    QVERIFY(headerCtx);
    QCOMPARE(headerCtx->localDeclarations().size(), 1);
    Declaration* foo = headerCtx->localDeclarations().first();
    QCOMPARE(foo->uses().size(), 1);
    QCOMPARE(foo->uses().begin().key(), impl.url());
    QCOMPARE(foo->uses().begin()->size(), 1);
    QCOMPARE(foo->uses().begin()->first(), RangeInRevision(4, 28, 4, 31));
}

void TestDUChain::testReparseUnchanged_data()
{