54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
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/* This file is part of the GNU C Library.
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Copyright (C) 2012-2022 Free Software Foundation, Inc.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <array_length.h>
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#include <wchar.h>
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/* Prototype for our test function. */
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static int do_test (void);
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static int
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do_test (void)
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{
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#ifndef NO_LONG_DOUBLE
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int result = 0;
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const long double x = 24.5;
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wchar_t a[16];
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swprintf (a, array_length (a), L"%La\n", x);
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wchar_t A[16];
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swprintf (A, array_length (a), L"%LA\n", x);
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/* Here wprintf can return four valid variants. We must accept all
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of them. */
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result |= (wmemcmp (a, L"0xc.4p+1", 8) == 0
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&& wmemcmp (A, L"0XC.4P+1", 8) == 0);
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result |= (wmemcmp (a, L"0x3.1p+3", 8) == 0
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&& wmemcmp (A, L"0X3.1P+3", 8) == 0);
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result |= (wmemcmp (a, L"0x6.2p+2", 8) == 0
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&& wmemcmp (A, L"0X6.2P+2", 8) == 0);
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result |= (wmemcmp (a, L"0x1.88p+4", 8) == 0
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&& wmemcmp (A, L"0X1.88P+4", 8) == 0);
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return result != 1;
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#else
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return 0;
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#endif
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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