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83 lines
2.0 KiB
83 lines
2.0 KiB
4 months ago
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// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/component_export.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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namespace {
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using ComponentExportTest = testing::Test;
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#define IS_TEST_COMPONENT_A_IMPL 1
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#define IS_TEST_COMPONENT_B_IMPL
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#define IS_TEST_COMPONENT_C_IMPL 0
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#define IS_TEST_COMPONENT_D_IMPL 2
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#define IS_TEST_COMPONENT_E_IMPL xyz
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TEST(ComponentExportTest, ImportExport) {
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// Defined as 1. Treat as export.
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EXPECT_EQ(1, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_A));
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// Defined, but empty. Treat as import.
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EXPECT_EQ(0, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_B));
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// Defined, but 0. Treat as import.
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EXPECT_EQ(0, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_C));
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// Defined, but some other arbitrary thing that isn't 1. Treat as import.
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EXPECT_EQ(0, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_D));
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EXPECT_EQ(0, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_E));
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// Undefined. Treat as import.
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EXPECT_EQ(0, INSIDE_COMPONENT_IMPL(TEST_COMPONENT_F));
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// And just for good measure, ensure that the macros evaluate properly in the
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// context of preprocessor #if blocks.
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#if INSIDE_COMPONENT_IMPL(TEST_COMPONENT_A)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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#if !INSIDE_COMPONENT_IMPL(TEST_COMPONENT_B)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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#if !INSIDE_COMPONENT_IMPL(TEST_COMPONENT_C)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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#if !INSIDE_COMPONENT_IMPL(TEST_COMPONENT_D)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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#if !INSIDE_COMPONENT_IMPL(TEST_COMPONENT_E)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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#if !INSIDE_COMPONENT_IMPL(TEST_COMPONENT_F)
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EXPECT_TRUE(true);
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#else
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EXPECT_TRUE(false);
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#endif
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}
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#undef IS_TEST_COMPONENT_A_IMPL
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#undef IS_TEST_COMPONENT_B_IMPL
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#undef IS_TEST_COMPONENT_C_IMPL
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#undef IS_TEST_COMPONENT_D_IMPL
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#undef IS_TEST_COMPONENT_E_IMPL
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} // namespace
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} // namespace base
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