Initial commit

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

@@ -0,0 +1,100 @@
+//===----------------------------------------------------------------------===//
+//
+// 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>
+
+// T *data();
+
+#include <array>
+#include <cassert>
+#include <cstddef>       // for std::max_align_t
+#include <cstdint>
+
+#include "test_macros.h"
+
+struct NoDefault {
+    TEST_CONSTEXPR NoDefault(int) { }
+};
+
+#if TEST_STD_VER < 11
+struct natural_alignment {
+    long t1;
+    long long t2;
+    double t3;
+    long double t4;
+};
+#endif
+
+TEST_CONSTEXPR_CXX17 bool tests()
+{
+    {
+        typedef double T;
+        typedef std::array<T, 3> C;
+        C c = {1, 2, 3.5};
+        ASSERT_NOEXCEPT(c.data());
+        T* p = c.data();
+        assert(p[0] == 1);
+        assert(p[1] == 2);
+        assert(p[2] == 3.5);
+    }
+    {
+        typedef double T;
+        typedef std::array<T, 0> C;
+        C c = {};
+        ASSERT_NOEXCEPT(c.data());
+        T* p = c.data();
+        (void)p;
+    }
+    {
+        typedef double T;
+        typedef std::array<const T, 0> C;
+        C c = {{}};
+        ASSERT_NOEXCEPT(c.data());
+        const T* p = c.data();
+        (void)p;
+        static_assert((std::is_same<decltype(c.data()), const T*>::value), "");
+    }
+    {
+        typedef NoDefault T;
+        typedef std::array<T, 0> C;
+        C c = {};
+        ASSERT_NOEXCEPT(c.data());
+        T* p = c.data();
+        (void)p;
+    }
+    {
+        std::array<int, 5> c = {0, 1, 2, 3, 4};
+        assert(c.data() == &c[0]);
+        assert(*c.data() == c[0]);
+    }
+
+    return true;
+}
+
+int main(int, char**)
+{
+    tests();
+#if TEST_STD_VER >= 17
+    static_assert(tests(), "");
+#endif
+
+    // Test the alignment of data()
+    {
+#if TEST_STD_VER < 11
+        typedef natural_alignment T;
+#else
+        typedef std::max_align_t T;
+#endif
+        typedef std::array<T, 0> C;
+        const C c = {};
+        const T* p = c.data();
+        std::uintptr_t pint = reinterpret_cast<std::uintptr_t>(p);
+        assert(pint % TEST_ALIGNOF(T) == 0);
+    }
+    return 0;
+}

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

@@ -0,0 +1,92 @@
+//===----------------------------------------------------------------------===//
+//
+// 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>
+
+// const T* data() const;
+
+#include <array>
+#include <cassert>
+#include <cstddef>       // for std::max_align_t
+#include <cstdint>
+
+#include "test_macros.h"
+
+struct NoDefault {
+    TEST_CONSTEXPR NoDefault(int) { }
+};
+
+#if TEST_STD_VER < 11
+struct natural_alignment {
+    long t1;
+    long long t2;
+    double t3;
+    long double t4;
+};
+#endif
+
+TEST_CONSTEXPR_CXX17 bool tests()
+{
+    {
+        typedef double T;
+        typedef std::array<T, 3> C;
+        const C c = {1, 2, 3.5};
+        ASSERT_NOEXCEPT(c.data());
+        const T* p = c.data();
+        assert(p[0] == 1);
+        assert(p[1] == 2);
+        assert(p[2] == 3.5);
+    }
+    {
+        typedef double T;
+        typedef std::array<T, 0> C;
+        const C c = {};
+        ASSERT_NOEXCEPT(c.data());
+        const T* p = c.data();
+        (void)p;
+    }
+    {
+        typedef NoDefault T;
+        typedef std::array<T, 0> C;
+        const C c = {};
+        ASSERT_NOEXCEPT(c.data());
+        const T* p = c.data();
+        (void)p;
+    }
+    {
+        std::array<int, 5> const c = {0, 1, 2, 3, 4};
+        assert(c.data() == &c[0]);
+        assert(*c.data() == c[0]);
+    }
+
+    return true;
+}
+
+int main(int, char**)
+{
+    tests();
+#if TEST_STD_VER >= 17
+    static_assert(tests(), "");
+#endif
+
+    // Test the alignment of data()
+    {
+#if TEST_STD_VER < 11
+        typedef natural_alignment T;
+#else
+        typedef std::max_align_t T;
+#endif
+        typedef std::array<T, 0> C;
+        const C c = {};
+        const T* p = c.data();
+        std::uintptr_t pint = reinterpret_cast<std::uintptr_t>(p);
+        assert(pint % TEST_ALIGNOF(T) == 0);
+    }
+
+    return 0;
+}