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66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// Formatting library for C++ - module tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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//
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// Copyright (c) 2021 - present, Daniela Engert
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// All Rights Reserved
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// {fmt} module.
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import fmt;
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// check for macros leaking from BMI
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static bool macro_leaked =
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#if defined(FMT_CORE_H_) || defined(FMT_FORMAT_H)
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true;
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#else
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false;
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#endif
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#include "gtest/gtest.h"
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// an implicitly exported namespace must be visible [module.interface]/2.2
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TEST(module_test, namespace) {
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using namespace fmt;
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ASSERT_TRUE(true);
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}
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namespace detail {
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bool oops_detail_namespace_is_visible;
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}
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namespace fmt {
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bool namespace_detail_invisible() {
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#if defined(FMT_HIDE_MODULE_BUGS) && \
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defined(_MSC_FULL_VER) && _MSC_FULL_VER <= 192930036
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// bug in msvc 16.10-pre4:
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// the namespace is visible even when it is neither
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// implicitly nor explicitly exported
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return true;
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#else
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using namespace detail;
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// this fails to compile if fmt::detail is visible
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return !oops_detail_namespace_is_visible;
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#endif
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}
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} // namespace fmt
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// the non-exported namespace 'detail' must be invisible [module.interface]/2
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TEST(module_test, detail_namespace) {
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EXPECT_TRUE(fmt::namespace_detail_invisible());
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}
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// macros must not be imported from a *named* module [cpp.import]/5.1
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TEST(module_test, macros) {
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#if defined(FMT_HIDE_MODULE_BUGS) && \
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defined(_MSC_FULL_VER) && _MSC_FULL_VER <= 192930036
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// bug in msvc 16.10-pre4:
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// include-guard macros leak from BMI
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// and even worse: they cannot be #undef-ined
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macro_leaked = false;
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#endif
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EXPECT_FALSE(macro_leaked);
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}
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