Function TEST_F

valdi/test/integration/MmapModuleArchive_tests.cpp:207–221

COF off → heap counter fires, mmap counters do not, latency timer fires.

// COF off → heap counter fires, mmap counters do not, latency timer fires.
TEST_F(MmapModuleArchiveFixture, EmitsHeapCounterWhenCofDisabled) {
    auto& wrapper = makeWrapper(/*enableCof=*/false);
    // Cache dir intentionally NOT set; with COF off it doesn't matter anyway.

    auto result = wrapper.loadModule(STRING_LITERAL(kModuleName), ResourceManagerLoadModuleType::Sources);
    ASSERT_TRUE(result) << result.description();

    EXPECT_EQ(0, _metrics->mmapSuccess.load());
    EXPECT_EQ(0, _metrics->mmapFallback.load());
    EXPECT_GE(_metrics->heap.load(), 1);
    EXPECT_EQ(_metrics->heap.load(), _metrics->totalPathCounters()) << "Exactly the heap counter should have fired";
    EXPECT_EQ(_metrics->heap.load(), _metrics->decompressLatencyCalls.load())
        << "Latency timer should fire once per successful decompress";
    EXPECT_EQ(0, _metrics->mmapPublishFail.load()) << "Publish-failure counter is for the mmap path only";
}

// COF on but no cache dir → ResourceManager short-circuits to the heap path
// (because _mmapCacheDirectory is empty), so heap counter fires.