Mercurial > hg > ucx / changeset

     1.1 --- a/test/test_allocator.cpp	Sat Apr 16 08:59:51 2022 +0200
     1.2 +++ b/test/test_allocator.cpp	Sat Apr 16 09:10:10 2022 +0200
     1.3 @@ -72,3 +72,21 @@
     1.4              cxFree(cxDefaultAllocator, test);
     1.5      );
     1.6  }
     1.7 +
     1.8 +TEST(Allocator, FailingReallocate) {
     1.9 +    // Mock an allocator that always returns nullptr on realloc
    1.10 +    cx_allocator_class mock_cl;
    1.11 +    mock_cl.realloc = [](void* p, void* d, size_t n) -> void* { return nullptr; };
    1.12 +    cx_allocator_s mock{&mock_cl, nullptr};
    1.13 +
    1.14 +    void *test = calloc(8, 1);
    1.15 +    memcpy(test, "Test", 5);
    1.16 +    void *original = test;
    1.17 +    int ret = cxReallocate(&mock, &test, 16);
    1.18 +    // non-zero return code because of the failure
    1.19 +    EXPECT_NE(ret, 0);
    1.20 +    // the test pointer was not changed and still points to the same memory
    1.21 +    EXPECT_EQ(test, original);
    1.22 +    EXPECT_STREQ(reinterpret_cast<char *>(test), "Test");
    1.23 +    free(test);
    1.24 +}