Method testMissingInclude

plugins/clang/tests/test_duchain.cpp:339–404

}

void TestDUChain::testMissingInclude()
{
    auto code = R"(
#pragma once
#include "missing1.h"

template<class T>
class A
{
    T a;
};

#include "missing2.h"

class B : public A<int>
{
};
    )";

    TestFile header(code, QStringLiteral("h"));
    TestFile impl("#include \"" + header.url().str() + "\"\n", QStringLiteral("cpp"), &header);
    QVERIFY(impl.parseAndWait(TopDUContext::AllDeclarationsContextsAndUses));

    DUChainReadLocker lock;

    auto top = impl.topContext();
    QVERIFY(top);

    QCOMPARE(top->importedParentContexts().count(), 1);

    TopDUContext* headerCtx = dynamic_cast<TopDUContext*>(top->importedParentContexts().first().context(top));
    QVERIFY(headerCtx);
    QCOMPARE(headerCtx->url(), header.url());

#if CINDEX_VERSION_MINOR < 34
    QEXPECT_FAIL("", "Second missing header isn't reported", Continue);
#endif
    QCOMPARE(headerCtx->problems().count(), 2);

    QCOMPARE(headerCtx->localDeclarations().count(), 2);

    auto a = dynamic_cast<ClassDeclaration*>(headerCtx->localDeclarations().first());
    QVERIFY(a);

    auto b = dynamic_cast<ClassDeclaration*>(headerCtx->localDeclarations().last());
    QVERIFY(b);

    // NOTE: This fails and needs fixing. If the include of "missing2.h"
    //       above is commented out, then it doesn't fail. Maybe
    //       clang stops processing when it encounters the second missing
    //       header, or similar.
    // XFAIL this check until https://bugs.llvm.org/show_bug.cgi?id=38155 is fixed
    if (QVersionNumber::fromString(ClangHelpers::clangVersion()) < QVersionNumber(9, 0, 0))
        QEXPECT_FAIL("", "Base class isn't assigned correctly", Continue);
    QCOMPARE(b->baseClassesSize(), 1u);

#if CINDEX_VERSION_MINOR < 34
    // at least the one problem we have should have been propagated