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module/jni/libcxx/test/std/containers/sequences/array/compare.pass.cpp

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+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <array>
+
+// bool operator==(array<T, N> const&, array<T, N> const&);   // constexpr in C++20
+// bool operator!=(array<T, N> const&, array<T, N> const&);   // constexpr in C++20
+// bool operator<(array<T, N> const&, array<T, N> const&);    // constexpr in C++20
+// bool operator<=(array<T, N> const&, array<T, N> const&);   // constexpr in C++20
+// bool operator>(array<T, N> const&, array<T, N> const&);    // constexpr in C++20
+// bool operator>=(array<T, N> const&, array<T, N> const&);   // constexpr in C++20
+
+
+#include <array>
+#include <cassert>
+
+#include "test_macros.h"
+#include "test_comparisons.h"
+
+TEST_CONSTEXPR_CXX20 bool tests()
+{
+    {
+        typedef std::array<int, 3> C;
+        const C c1 = {1, 2, 3};
+        const C c2 = {1, 2, 3};
+        const C c3 = {3, 2, 1};
+        const C c4 = {1, 2, 1};
+        assert(testComparisons(c1, c2, true, false));
+        assert(testComparisons(c1, c3, false, true));
+        assert(testComparisons(c1, c4, false, false));
+    }
+    {
+        typedef std::array<int, 0> C;
+        const C c1 = {};
+        const C c2 = {};
+        assert(testComparisons(c1, c2, true, false));
+    }
+    {
+        typedef std::array<LessAndEqComp, 3> C;
+        const C c1 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(3)};
+        const C c2 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(3)};
+        const C c3 = {LessAndEqComp(3), LessAndEqComp(2), LessAndEqComp(1)};
+        const C c4 = {LessAndEqComp(1), LessAndEqComp(2), LessAndEqComp(1)};
+        assert(testComparisons(c1, c2, true, false));
+        assert(testComparisons(c1, c3, false, true));
+        assert(testComparisons(c1, c4, false, false));
+    }
+    {
+        typedef std::array<LessAndEqComp, 0> C;
+        const C c1 = {};
+        const C c2 = {};
+        assert(testComparisons(c1, c2, true, false));
+    }
+
+    return true;
+}
+
+int main(int, char**)
+{
+    tests();
+#if TEST_STD_VER >= 20
+    static_assert(tests(), "");
+#endif
+    return 0;
+}