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98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//===--- OptionSetTest.cpp ------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/OptionSet.h"
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#include "swift/Basic/Range.h"
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#include "gtest/gtest.h"
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using namespace swift;
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TEST(OptionSet, contains) {
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enum class Flags { A = 1 << 0, B = 1 << 1, C = 1 << 2 };
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OptionSet<Flags> emptySet;
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OptionSet<Flags> aSet = Flags::A;
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OptionSet<Flags> abSet = aSet | Flags::B;
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OptionSet<Flags> abcSet = abSet | Flags::C;
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OptionSet<Flags> bcSet = abcSet - Flags::A;
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OptionSet<Flags> cSet = bcSet - Flags::B;
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EXPECT_TRUE(emptySet.contains(emptySet));
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EXPECT_FALSE(emptySet.contains(aSet));
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EXPECT_FALSE(emptySet.contains(abSet));
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EXPECT_FALSE(emptySet.contains(abcSet));
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EXPECT_FALSE(emptySet.contains(bcSet));
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EXPECT_FALSE(emptySet.contains(cSet));
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EXPECT_TRUE(aSet.contains(emptySet));
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EXPECT_TRUE(aSet.contains(aSet));
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EXPECT_FALSE(aSet.contains(abSet));
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EXPECT_FALSE(aSet.contains(abcSet));
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EXPECT_FALSE(aSet.contains(bcSet));
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EXPECT_FALSE(aSet.contains(cSet));
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EXPECT_TRUE(abSet.contains(emptySet));
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EXPECT_TRUE(abSet.contains(aSet));
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EXPECT_TRUE(abSet.contains(abSet));
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EXPECT_FALSE(abSet.contains(abcSet));
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EXPECT_FALSE(abSet.contains(bcSet));
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EXPECT_FALSE(abSet.contains(cSet));
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EXPECT_TRUE(abcSet.contains(emptySet));
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EXPECT_TRUE(abcSet.contains(aSet));
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EXPECT_TRUE(abcSet.contains(abSet));
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EXPECT_TRUE(abcSet.contains(abcSet));
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EXPECT_TRUE(abcSet.contains(bcSet));
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EXPECT_TRUE(abcSet.contains(cSet));
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}
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TEST(OptionSet, intptr_t) {
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enum class Small : int8_t { A = 1 << 0 };
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OptionSet<Small> small = Small::A;
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EXPECT_EQ(static_cast<intptr_t>(Small::A), static_cast<intptr_t>(small));
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enum class UPtr : uintptr_t { A = std::numeric_limits<uintptr_t>::max() };
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OptionSet<UPtr> uptr = UPtr::A;
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EXPECT_EQ(static_cast<intptr_t>(UPtr::A), static_cast<intptr_t>(uptr));
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enum class Ptr : intptr_t { A = std::numeric_limits<intptr_t>::min() };
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OptionSet<Ptr> ptr = Ptr::A;
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EXPECT_EQ(static_cast<intptr_t>(Ptr::A), static_cast<intptr_t>(ptr));
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}
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TEST(OptionSet, intptr_t_isConstructible) {
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// First check that std::is_constructible counts explicit conversion
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// operators.
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class AlwaysConvertible {
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public:
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explicit operator intptr_t() const { return 0; }
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};
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if (!std::is_constructible<intptr_t, AlwaysConvertible>::value) {
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// std::is_constructible doesn't test what we want it to. Just exit early.
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return;
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}
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enum class LongLong : unsigned long long { A = 1 };
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bool isConvertible =
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std::is_constructible<intptr_t, OptionSet<LongLong>>::value;
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if (sizeof(intptr_t) < sizeof(long long)) {
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EXPECT_FALSE(isConvertible);
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} else {
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EXPECT_TRUE(isConvertible);
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}
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}
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