# HG changeset patch # User Bruno Haible # Date 1263133991 -3600 # Node ID 9e7ca7cb75d719b25157755103391e779d373883 # Parent 9e222d4cacd90ca7b77e180756edbf47be3f19c9 Tests for module 'unistr/u8-cmp'. diff --git a/ChangeLog b/ChangeLog --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2010-01-10 Bruno Haible + Tests for module 'unistr/u8-cmp'. + * modules/unistr/u8-cmp-tests: New file. + * tests/unistr/test-u8-cmp.c: New file. + * tests/unistr/test-cmp.h: New file, based on tests/test-memcmp.c. + Tests for module 'unistr/u32-set'. * modules/unistr/u32-set-tests: New file. * tests/unistr/test-u32-set.c: New file. diff --git a/modules/unistr/u8-cmp-tests b/modules/unistr/u8-cmp-tests new file mode 100644 --- /dev/null +++ b/modules/unistr/u8-cmp-tests @@ -0,0 +1,20 @@ +Files: +tests/unistr/test-u8-cmp.c +tests/unistr/test-cmp.h +tests/zerosize-ptr.h +tests/macros.h +m4/mmap-anon.m4 + +Depends-on: +extensions +getpagesize + +configure.ac: +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) + +Makefile.am: +TESTS += test-u8-cmp +check_PROGRAMS += test-u8-cmp +test_u8_cmp_SOURCES = unistr/test-u8-cmp.c diff --git a/tests/unistr/test-cmp.h b/tests/unistr/test-cmp.h new file mode 100644 --- /dev/null +++ b/tests/unistr/test-cmp.h @@ -0,0 +1,97 @@ +/* Test of uN_cmp() functions. + Copyright (C) 2008-2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Simon Josefsson and Bruno Haible , 2010. */ + +static void +test_cmp (void) +{ + /* Test equal / not equal distinction. */ + ASSERT (U_CMP (zerosize_ptr (), zerosize_ptr (), 0) == 0); + { + static const UNIT input1[] = { 'f', 'o', 'o', 0 }; + static const UNIT input2[] = { 'f', 'o', 'o', 'b', 'a', 'r', 0 }; + ASSERT (U_CMP (input1, input2, 2) == 0); + ASSERT (U_CMP (input1, input2, 3) == 0); + ASSERT (U_CMP (input1, input2, 4) != 0); + } + { + static const UNIT input1[] = { 'f', 'o', 'o', 0 }; + static const UNIT input2[] = { 'b', 'a', 'r', 0 }; + ASSERT (U_CMP (input1, input2, 1) != 0); + ASSERT (U_CMP (input1, input2, 3) != 0); + } + + /* Test less / equal / greater distinction. */ + { + static const UNIT input1[] = { 'f', 'o', 'o', 0 }; + static const UNIT input2[] = { 'm', 'o', 'o', 0 }; + ASSERT (U_CMP (input1, input2, 4) < 0); + ASSERT (U_CMP (input2, input1, 4) > 0); + } + { + static const UNIT input1[] = { 'o', 'o', 'm', 'p', 'h', 0 }; + static const UNIT input2[] = { 'o', 'o', 'p', 's', 0 }; + ASSERT (U_CMP (input1, input2, 3) < 0); + ASSERT (U_CMP (input2, input1, 3) > 0); + } + { + static const UNIT input1[] = { 'f', 'o', 'o', 0 }; + static const UNIT input2[] = { 'f', 'o', 'o', 'b', 'a', 'r', 0 }; + ASSERT (U_CMP (input1, input2, 4) < 0); + ASSERT (U_CMP (input2, input1, 4) > 0); + } + + /* Some old versions of memcmp were not 8-bit clean. */ + { + static const UNIT input1[] = { 0x40 }; + static const UNIT input2[] = { 0xC2 }; + ASSERT (U_CMP (input1, input2, 1) < 0); + ASSERT (U_CMP (input2, input1, 1) > 0); + } + { + static const UNIT input1[] = { 0xC2 }; + static const UNIT input2[] = { 0xC3 }; + ASSERT (U_CMP (input1, input2, 1) < 0); + ASSERT (U_CMP (input2, input1, 1) > 0); + } + + /* The Next x86 OpenStep bug shows up only when comparing 16 bytes + or more and with at least one buffer not starting on a 4-byte boundary. + William Lewis provided this test program. */ + { + UNIT foo[21]; + UNIT bar[21]; + int i; + for (i = 0; i < 4; i++) + { + UNIT *a = foo + i; + UNIT *b = bar + i; + int j; + for (j = 0; j < 8; j++) + a[j] = '-'; + a[8] = '0'; + for (j = 9; j < 16; j++) + a[j] = '1'; + for (j = 0; j < 8; j++) + b[j] = '-'; + b[8] = '1'; + for (j = 9; j < 16; j++) + b[j] = '0'; + ASSERT (U_CMP (a, b, 16) < 0); + } + } +} diff --git a/tests/unistr/test-u8-cmp.c b/tests/unistr/test-u8-cmp.c new file mode 100644 --- /dev/null +++ b/tests/unistr/test-u8-cmp.c @@ -0,0 +1,45 @@ +/* Test of u8_cmp() function. + Copyright (C) 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2010. */ + +#include + +#include "unistr.h" + +#include "zerosize-ptr.h" +#include "macros.h" + +#define UNIT uint8_t +#define U_CMP u8_cmp +#define MAGIC 0xBA +#include "test-cmp.h" + +int +main () +{ + test_cmp (); + + /* Test comparison with non-BMP characters. */ + { + static const UNIT input1[] = { 0xF0, 0x9D, 0x94, 0x9E }; + static const UNIT input2[] = { 0xEF, 0xBB, 0xBF, 0x00 }; + ASSERT (U_CMP (input1, input2, 4) > 0); + ASSERT (U_CMP (input2, input1, 4) < 0); + } + + return 0; +}