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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [testsuite/] [newlib.locale/] [UTF-8.c] - Rev 214
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/* * Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved. * * Permission to use, copy, modify, and distribute this software * is freely granted, provided that this notice is preserved. * * Tests gleaned from Markus Kuhn's UTF-8 and Unicode FAQ, * and specifically, his UTF-8-test.txt decoder stress test file. */ #include <stdio.h> #include <stdlib.h> #include <locale.h> #define MAX_BYTES 65 int num_invalid(const char *s, int len); char first[6][6] = { {0x0}, /* U-00000000 */ {0xc2, 0x80}, /* U-00000080 */ {0xe0, 0xa0, 0x80}, /* U-00000800 */ {0xf0, 0x90, 0x80, 0x80}, /* U-00010000 */ {0xf8, 0x88, 0x80, 0x80, 0x80}, /* U-00200000 */ {0xfc, 0x84, 0x80, 0x80, 0x80, 0x80} /* U-04000000 */ }; char last[6][6] = { {0x7f}, /* U-0000007F */ {0xdf, 0xbf}, /* U-000007FF */ {0xef, 0xbf, 0xbf}, /* U-0000FFFF */ {0xf7, 0xbf, 0xbf, 0xbf}, /* U-001FFFFF */ {0xfb, 0xbf, 0xbf, 0xbf, 0xbf}, /* U-03FFFFFF */ {0xfd, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf} /* U-7FFFFFFF */ }; char boundary[5][6] = { {0xed, 0x9f, 0xbf}, /* U-0000D7FF */ {0xee, 0x80, 0x80}, /* U-0000E000 */ {0xef, 0xbf, 0xbd}, /* U-0000FFFD */ {0xf4, 0x8f, 0xbf, 0xbf}, /* U-0010FFFF */ {0xf4, 0x90, 0x80, 0x80} /* U-00110000 */ }; char continuation_bytes[8][7] = { {0x80}, {0xbf}, {0x80, 0xbf}, {0x80, 0xbf, 0x80}, {0x80, 0xbf, 0x80, 0xbf}, {0x80, 0xbf, 0x80, 0xbf, 0x80}, {0x80, 0xbf, 0x80, 0xbf, 0x80, 0xbf}, {0x80, 0xbf, 0x80, 0xbf, 0x80, 0xbf, 0x80} }; char all_continuation_bytes[64]; char all_two_byte_seq[32]; char all_three_byte_seq[16]; char all_four_byte_seq[8]; char all_five_byte_seq[4]; char all_six_byte_seq[2]; char incomplete_seq[10][6] = { {0xc2}, /* U-00000080 */ {0xe0, 0x80}, /* U-00000800 */ {0xf0, 0x80, 0x80}, /* U-00010000 */ {0xf8, 0x80, 0x80, 0x80}, /* U-00200000 */ {0xfc, 0x80, 0x80, 0x80, 0x80}, /* U-04000000 */ {0xdf}, /* U-000007FF */ {0xef, 0xbf}, /* U-0000FFFF */ {0xf7, 0xbf, 0xbf}, /* U-001FFFFF */ {0xfb, 0xbf, 0xbf, 0xbf}, /* U-03FFFFFF */ {0xfd, 0xbf, 0xbf, 0xbf, 0xbf} /* U-7FFFFFFF */ }; char incomplete_seq_concat[30]; char impossible_bytes[3][4] = { {0xfe}, {0xff}, {0xfe, 0xfe, 0xff, 0xff} }; char overlong[5][6] = { {0xc0, 0xaf}, {0xe0, 0x80, 0xaf}, {0xf0, 0x80, 0x80, 0xaf}, {0xf8, 0x80, 0x80, 0x80, 0xaf}, {0xfc, 0x80, 0x80, 0x80, 0x80, 0xaf} }; char overlong_max[5][6] = { {0xc1, 0xbf}, {0xe0, 0x9f, 0xbf}, {0xf0, 0x8f, 0xbf, 0xbf}, {0xf8, 0x87, 0xbf, 0xbf, 0xbf}, {0xfc, 0x83, 0xbf, 0xbf, 0xbf, 0xbf} }; char overlong_nul[5][6] = { {0xc0, 0x80}, {0xe0, 0x80, 0x80}, {0xf0, 0x80, 0x80, 0x80}, {0xf8, 0x80, 0x80, 0x80, 0x80}, {0xfc, 0x80, 0x80, 0x80, 0x80, 0x80} }; char single_surrogates[7][3] = { {0xed, 0xa0, 0x80}, {0xed, 0xad, 0xbf}, {0xed, 0xae, 0x80}, {0xed, 0xaf, 0xbf}, {0xed, 0xb0, 0x80}, {0xed, 0xbe, 0x80}, {0xed, 0xbf, 0xbf} }; char paired_surrogates[8][6] = { {0xed, 0xa0, 0x80, 0xed, 0xb0, 0x80}, {0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf}, {0xed, 0xad, 0xbf, 0xed, 0xb0, 0x80}, {0xed, 0xad, 0xbf, 0xed, 0xbf, 0xbf}, {0xed, 0xae, 0x80, 0xed, 0xb0, 0x80}, {0xed, 0xae, 0x80, 0xed, 0xbf, 0xbf}, {0xed, 0xaf, 0xbf, 0xed, 0xb0, 0x80}, {0xed, 0xaf, 0xbf, 0xed, 0xbf, 0xbf} }; char illegal_pos[2][3] = { {0xff, 0xfe}, {0xff, 0xff} }; int main() { wchar_t wchar; int retval; int i; if (!setlocale(LC_CTYPE, "C-UTF-8")) { printf("Failed to set C-UTF-8 locale.\n"); return 1; } else printf("Set C-UTF-8 locale.\n"); /* 2 Boundary condition test cases */ /* 2.1 First possible sequence of a certain length */ retval = mbtowc(&wchar, first[0], MAX_BYTES); if (retval == 0) printf("2.1.1: U-%08d\n", wchar); else printf("2.1.1: Invalid\n"); for (i = 2; i < 7; i++) { retval = mbtowc (&wchar, first[i-1], MAX_BYTES); if (retval == i) printf("2.1.%d: U-%08x\n", i, wchar); else printf("2.1.%d: Invalid\n", i); } /* 2.2 Last possible sequence of a certain length */ for (i = 1; i < 7; i++) { retval = mbtowc (&wchar, last[i-1], MAX_BYTES); if (retval == i) printf("2.2.%d: U-%08x\n", i, wchar); else printf("2.2.%d: Invalid\n", i); } /* 2.3 Other boundary conditions */ for (i = 1; i < 6; i++) { retval = mbtowc (&wchar, boundary[i-1], MAX_BYTES); if ((i < 4 && retval == 3) || (i > 3 && retval == 4)) printf("2.3.%d: U-%08x\n", i, wchar); else printf("2.3.%d: Invalid\n", i); } /* 3 Malformed sequences */ /* 3.1 Unexpected continuation bytes */ retval = mbtowc (&wchar, continuation_bytes[0], MAX_BYTES); if (retval == 1) printf("3.1.1: U-%08x\n", wchar); else printf("3.1.1: 1 Invalid\n"); retval = mbtowc (&wchar, continuation_bytes[1], MAX_BYTES); if (retval == 1) printf("3.1.2: U-%08x\n", wchar); else printf("3.1.2: 1 Invalid\n"); for(i=2; i< 8; i++) { retval = num_invalid(continuation_bytes[i], i); if (retval == -1) printf("3.1.%d: Valid Character Found\n", i+1); else printf("3.1.%d: %d Invalid\n", i+1, retval); } for(i = 0x80; i < 0xc0; i++) all_continuation_bytes[i-0x80] = i; retval = num_invalid(all_continuation_bytes, 0xc0 - 0x80); if (retval == -1) printf("3.1.9: Valid Character Found\n"); else printf("3.1.9: %d Invalid\n", retval); /* 3.2 Lonely start characters */ for(i = 0xc0; i < 0xe0; i++) all_two_byte_seq[i-0xc0] = i; retval = num_invalid(all_two_byte_seq, 0xe0 - 0xc0); if (retval == -1) printf("3.2.1: Valid Character Found\n"); else printf("3.2.1: %d Invalid\n", retval); for(i = 0xe0; i < 0xf0; i++) all_three_byte_seq[i-0xe0] = i; retval = num_invalid(all_three_byte_seq, 0xf0 - 0xe0); if (retval == -1) printf("3.2.2: Valid Character Found\n"); else printf("3.2.2: %d Invalid\n", retval); for(i = 0xf0; i < 0xf8; i++) all_four_byte_seq[i-0xf0] = i; retval = num_invalid(all_four_byte_seq, 0xf8 - 0xf0); if (retval == -1) printf("3.2.3: Valid Character Found\n"); else printf("3.2.3: %d Invalid\n", retval); for(i = 0xf8; i < 0xfc; i++) all_five_byte_seq[i-0xf8] = i; retval = num_invalid(all_five_byte_seq, 0xfc - 0xf8); if (retval == -1) printf("3.2.4: Valid Character Found\n"); else printf("3.2.4: %d Invalid\n", retval); for(i = 0xfc; i < 0xfe; i++) all_six_byte_seq[i-0xfc] = i; retval = num_invalid(all_six_byte_seq, 0xfe - 0xfc); if (retval == -1) printf("3.2.5: Valid Character Found\n"); else printf("3.2.5: %d Invalid\n", retval); /* 3.3 Sequences with last continuation byte missing */ for(i = 1; i < 6; i++) { retval = mbtowc(&wchar, incomplete_seq[i-1], i); if(retval == -1) printf("3.3.%d: 1 Invalid\n", i); else printf("3.3.%d: Valid Character Found\n", i); } for(i = 6; i < 11; i++) { retval = mbtowc(&wchar, incomplete_seq[i-1], i - 5); if(retval == -1) printf("3.3.%d: 1 Invalid\n", i); else printf("3.3.%d: Valid Character Found\n", i); } /* 3.4 Concatenation of incomplete sequences */ /* This test is excluded because the mbtowc function does not return the number of bytes read in an invalid multi-byte sequence. */ /* 3.5 Impossible bytes */ retval = mbtowc(&wchar, impossible_bytes[0], 1); if(retval == -1) printf("3.5.1: 1 Invalid\n"); else printf("3.5.1: Valid Character Found\n"); retval = mbtowc(&wchar, impossible_bytes[1], 1); if(retval == -1) printf("3.5.2: 1 Invalid\n"); else printf("3.5.2: Valid Character Found\n"); retval = mbtowc(&wchar, impossible_bytes[2], 4); if(retval == -1) printf("3.5.3: 1 Invalid\n"); else printf("3.5.3: Valid Character Found\n"); /* 4 Overlong sequences */ /* 4.1 Examples of an overlong ASCII character */ for(i = 2; i < 7; i++) { retval = mbtowc(&wchar, overlong[i-2], i); if(retval == -1) printf("4.1.%d: 1 Invalid\n", i-1); else printf("4.1.%d: Valid Character Found\n", i-1); } /* 4.2 Maximum overlong sequences */ for(i = 2; i < 7; i++) { retval = mbtowc(&wchar, overlong_max[i-2], i); if(retval == -1) printf("4.2.%d: 1 Invalid\n", i-1); else printf("4.2.%d: Valid Character Found\n", i-1); } /* 4.3 Overlong representation of the NUL character */ for(i = 2; i < 7; i++) { retval = mbtowc(&wchar, overlong_nul[i-2], i); if(retval == -1) printf("4.3.%d: 1 Invalid\n", i-1); else printf("4.3.%d: Valid Character Found\n", i-1); } /* 5 Illegal code positions */ /* 5.1 Single UTF-16 surrogates */ for (i = 1; i < 8; i++) { retval = mbtowc(&wchar, single_surrogates[i-1], 3); if(retval == -1) printf("5.1.%d: 1 Invalid\n", i); else printf("5.1.%d: Valid Character Found\n", i); } /* 5.2 Paired UTF-16 surrogates */ for (i = 1; i < 8; i++) { retval = mbtowc(&wchar, paired_surrogates[i-1], 6); if(retval == -1) printf("5.2.%d: 1 Invalid\n", i); else printf("5.2.%d: Valid Character Found\n", i); } /* 5.3 Other illegal code positions */ retval = mbtowc(&wchar, illegal_pos[0], 3); if(retval == -1) printf("5.3.1: 1 Invalid\n"); else printf("5.3.1: Valid Character Found\n"); retval = mbtowc(&wchar, illegal_pos[1], 3); if(retval == -1) printf("5.3.2: 1 Invalid\n"); else printf("5.3.2: Valid Character Found\n"); return 0; } /* return number of invalid characters in string, returns -1 if a valid character is found */ int num_invalid(const char *s, int len) { int retval = 0; int i = 0; int num_inv = 0; wchar_t wchar; const char *t; t = s; for(i=0; i<len; t++, i++) { retval = mbtowc (&wchar, t, len - i); if(retval == -1) num_inv++; else return -1; } return num_inv; }
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