Initial commit

module/jni/libcxx/test/std/strings/string.view/string.view.modifiers/remove_prefix.pass.cpp

@@ -0,0 +1,81 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
+
+// <string_view>
+
+// void remove_prefix(size_type _n)
+
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+
+template<typename CharT>
+void test ( const CharT *s, size_t len ) {
+    typedef std::basic_string_view<CharT> SV;
+    {
+    SV sv1 ( s );
+    assert ( sv1.size() == len );
+    assert ( sv1.data() == s );
+
+    if ( len > 0 ) {
+        sv1.remove_prefix ( 1 );
+        assert ( sv1.size() == (len - 1));
+        assert ( sv1.data() == (s + 1));
+        sv1.remove_prefix ( len - 1 );
+    }
+
+    assert ( sv1.size() == 0 );
+    sv1.remove_prefix ( 0 );
+    assert ( sv1.size() == 0 );
+    }
+}
+
+#if TEST_STD_VER > 11
+constexpr size_t test_ce ( size_t n, size_t k ) {
+    typedef std::basic_string_view<char> SV;
+    SV sv1{ "ABCDEFGHIJKL", n };
+    sv1.remove_prefix ( k );
+    return sv1.size();
+}
+#endif
+
+int main(int, char**) {
+    test ( "ABCDE", 5 );
+    test ( "a", 1 );
+    test ( "", 0 );
+
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    test ( L"ABCDE", 5 );
+    test ( L"a", 1 );
+    test ( L"", 0 );
+#endif
+
+#if TEST_STD_VER >= 11
+    test ( u"ABCDE", 5 );
+    test ( u"a", 1 );
+    test ( u"", 0 );
+
+    test ( U"ABCDE", 5 );
+    test ( U"a", 1 );
+    test ( U"", 0 );
+#endif
+
+#if TEST_STD_VER > 11
+    {
+    static_assert ( test_ce ( 5, 0 ) == 5, "" );
+    static_assert ( test_ce ( 5, 1 ) == 4, "" );
+    static_assert ( test_ce ( 5, 5 ) == 0, "" );
+    static_assert ( test_ce ( 9, 3 ) == 6, "" );
+    }
+#endif
+
+  return 0;
+}

module/jni/libcxx/test/std/strings/string.view/string.view.modifiers/remove_suffix.pass.cpp

@@ -0,0 +1,82 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
+
+// <string_view>
+
+// void remove_suffix(size_type _n)
+
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+
+template<typename CharT>
+void test ( const CharT *s, size_t len ) {
+    typedef std::basic_string_view<CharT> SV;
+    {
+    SV sv1 ( s );
+    assert ( sv1.size() == len );
+    assert ( sv1.data() == s );
+
+    if ( len > 0 ) {
+        sv1.remove_suffix ( 1 );
+        assert ( sv1.size() == (len - 1));
+        assert ( sv1.data() == s);
+        sv1.remove_suffix ( len - 1 );
+        }
+
+    assert ( sv1.size() == 0 );
+    sv1.remove_suffix ( 0 );
+    assert ( sv1.size() == 0 );
+    }
+
+}
+
+#if TEST_STD_VER > 11
+constexpr size_t test_ce ( size_t n, size_t k ) {
+    typedef std::basic_string_view<char> SV;
+    SV sv1{ "ABCDEFGHIJKL", n };
+    sv1.remove_suffix ( k );
+    return sv1.size();
+}
+#endif
+
+int main(int, char**) {
+    test ( "ABCDE", 5 );
+    test ( "a", 1 );
+    test ( "", 0 );
+
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    test ( L"ABCDE", 5 );
+    test ( L"a", 1 );
+    test ( L"", 0 );
+#endif
+
+#if TEST_STD_VER >= 11
+    test ( u"ABCDE", 5 );
+    test ( u"a", 1 );
+    test ( u"", 0 );
+
+    test ( U"ABCDE", 5 );
+    test ( U"a", 1 );
+    test ( U"", 0 );
+#endif
+
+#if TEST_STD_VER > 11
+    {
+    static_assert ( test_ce ( 5, 0 ) == 5, "" );
+    static_assert ( test_ce ( 5, 1 ) == 4, "" );
+    static_assert ( test_ce ( 5, 5 ) == 0, "" );
+    static_assert ( test_ce ( 9, 3 ) == 6, "" );
+    }
+#endif
+
+  return 0;
+}

module/jni/libcxx/test/std/strings/string.view/string.view.modifiers/swap.pass.cpp

@@ -0,0 +1,80 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14)
+
+// <string_view>
+
+// void swap(basic_string_view& _other) noexcept
+
+#include <string_view>
+#include <cassert>
+
+#include "test_macros.h"
+
+template<typename CharT>
+void test ( const CharT *s, size_t len ) {
+    typedef std::basic_string_view<CharT> SV;
+    {
+    SV sv1(s);
+    SV sv2;
+
+    assert ( sv1.size() == len );
+    assert ( sv1.data() == s );
+    assert ( sv2.size() == 0 );
+
+    sv1.swap ( sv2 );
+    assert ( sv1.size() == 0 );
+    assert ( sv2.size() == len );
+    assert ( sv2.data() == s );
+    }
+
+}
+
+#if TEST_STD_VER > 11
+constexpr size_t test_ce ( size_t n, size_t k ) {
+    typedef std::basic_string_view<char> SV;
+    SV sv1{ "ABCDEFGHIJKL", n };
+    SV sv2 { sv1.data(), k };
+    sv1.swap ( sv2 );
+    return sv1.size();
+}
+#endif
+
+
+int main(int, char**) {
+    test ( "ABCDE", 5 );
+    test ( "a", 1 );
+    test ( "", 0 );
+
+#ifndef TEST_HAS_NO_WIDE_CHARACTERS
+    test ( L"ABCDE", 5 );
+    test ( L"a", 1 );
+    test ( L"", 0 );
+#endif
+
+#if TEST_STD_VER >= 11
+    test ( u"ABCDE", 5 );
+    test ( u"a", 1 );
+    test ( u"", 0 );
+
+    test ( U"ABCDE", 5 );
+    test ( U"a", 1 );
+    test ( U"", 0 );
+#endif
+
+#if TEST_STD_VER > 11
+    {
+    static_assert ( test_ce (2, 3) == 3, "" );
+    static_assert ( test_ce (5, 3) == 3, "" );
+    static_assert ( test_ce (0, 1) == 1, "" );
+    }
+#endif
+
+  return 0;
+}