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Diffstat (limited to 'gold/testsuite/leb128_unittest.cc')
| -rw-r--r-- | gold/testsuite/leb128_unittest.cc | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/gold/testsuite/leb128_unittest.cc b/gold/testsuite/leb128_unittest.cc new file mode 100644 index 0000000..05c7093 --- /dev/null +++ b/gold/testsuite/leb128_unittest.cc @@ -0,0 +1,88 @@ +// leb_unittest.cc -- test read_signed_LEB_128 and read_unsigned_LEB_128 + +// Copyright 2012 Free Software Foundation, Inc. +// Written by Cary Coutant <ccoutant@google.com>. + +// This file is part of gold. + +// 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, write to the Free Software +// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +// MA 02110-1301, USA. + +#include "gold.h" + +#include <sys/types.h> + +#include "int_encoding.h" + +#include "test.h" + +namespace gold_testsuite +{ + +using namespace gold; + +bool +Leb128_test(Test_report*) +{ + size_t len; + + // Unsigned tests. + static unsigned char u1[] = { 0 }; // 0 + static unsigned char u2[] = { 1 }; // 1 + static unsigned char u3[] = { 126 }; // 126 + static unsigned char u4[] = { 127 }; // 127 + static unsigned char u5[] = { 0x80+0, 1 }; // 128 + static unsigned char u6[] = { 0x80+1, 1 }; // 129 + static unsigned char u7[] = { 0x80+57, 100 }; // 12857 + static unsigned char u8[] = { 0x80, 0x80, 0x80, 0x80, + 0x80, 0x80, 0x80, 0x80, + 0x80, 1}; // 1ULL << 63 + + // Signed tests. + static unsigned char s1[] = { 0 }; // 0 + static unsigned char s2[] = { 1 }; // 1 + static unsigned char s3[] = { 0x7e }; // -2 + static unsigned char s4[] = { 0x80+127, 0 }; // 127 + static unsigned char s5[] = { 0x80+1, 0x7f }; // -127 + static unsigned char s6[] = { 0x80+0, 1 }; // 128 + static unsigned char s7[] = { 0x80+0, 0x7f }; // -128 + static unsigned char s8[] = { 0x80+1, 1 }; // 129 + static unsigned char s9[] = { 0xff, 0x7e }; // -129 + + CHECK(read_unsigned_LEB_128(u1, &len) == 0 && len == sizeof(u1)); + CHECK(read_unsigned_LEB_128(u2, &len) == 1 && len == sizeof(u2)); + CHECK(read_unsigned_LEB_128(u3, &len) == 126 && len == sizeof(u3)); + CHECK(read_unsigned_LEB_128(u4, &len) == 127 && len == sizeof(u4)); + CHECK(read_unsigned_LEB_128(u5, &len) == 128 && len == sizeof(u5)); + CHECK(read_unsigned_LEB_128(u6, &len) == 129 && len == sizeof(u6)); + CHECK(read_unsigned_LEB_128(u7, &len) == 12857 && len == sizeof(u7)); + CHECK(read_unsigned_LEB_128(u8, &len) == (1ULL << 63) && len == sizeof(u8)); + + CHECK(read_signed_LEB_128(s1, &len) == 0 && len == sizeof(s1)); + CHECK(read_signed_LEB_128(s2, &len) == 1 && len == sizeof(s2)); + CHECK(read_signed_LEB_128(s3, &len) == -2 && len == sizeof(s3)); + CHECK(read_signed_LEB_128(s4, &len) == 127 && len == sizeof(s4)); + CHECK(read_signed_LEB_128(s5, &len) == -127 && len == sizeof(s5)); + CHECK(read_signed_LEB_128(s6, &len) == 128 && len == sizeof(s6)); + CHECK(read_signed_LEB_128(s7, &len) == -128 && len == sizeof(s7)); + CHECK(read_signed_LEB_128(s8, &len) == 129 && len == sizeof(s8)); + CHECK(read_signed_LEB_128(s9, &len) == -129 && len == sizeof(s9)); + + return true; +} + +Register_test leb128_register("LEB128", Leb128_test); + +} // End namespace gold_testsuite. |