--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/tests/test_code49.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,306 @@
+/*
+    libzint - the open source barcode library
+    Copyright (C) 2020-2024 Robin Stuart <rstuart114@gmail.com>
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the project nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+ */
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#include "testcommon.h"
+
+static void test_large(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    struct item {
+        char *pattern;
+        int length;
+        int ret;
+        int expected_rows;
+        int expected_width;
+        char *expected_errtxt;
+    };
+    /* s/\/\*[ 0-9]*\*\//\=printf("\/\*%3d*\/", line(".") - line("'<")): */
+    static const struct item data[] = {
+        /*  0*/ { "A", 49, 0, 8, 70, "" }, /* ANSI/AIM BC6-2000 Table 1 */
+        /*  1*/ { "A", 50, ZINT_ERROR_TOO_LONG, -1, -1, "Error 432: Input too long, requires 50 codewords (maximum 49)" },
+        /*  2*/ { "0", 81, 0, 8, 70, "" }, /* ANSI/AIM BC6-2000 Table 1 */
+        /*  3*/ { "0", 82, ZINT_ERROR_TOO_LONG, -1, -1, "Error 430: Input length 82 too long (maximum 81)" },
+    };
+    const int data_size = ARRAY_SIZE(data);
+    int i, length, ret;
+    struct zint_symbol *symbol = NULL;
+
+    char data_buf[4096];
+
+    testStartSymbol("test_large", &symbol);
+
+    for (i = 0; i < data_size; i++) {
+
+        if (testContinue(p_ctx, i)) continue;
+
+        symbol = ZBarcode_Create();
+        assert_nonnull(symbol, "Symbol not created\n");
+
+        testUtilStrCpyRepeat(data_buf, data[i].pattern, data[i].length);
+        assert_equal(data[i].length, (int) strlen(data_buf), "i:%d length %d != strlen(data_buf) %d\n", i, data[i].length, (int) strlen(data_buf));
+
+        length = testUtilSetSymbol(symbol, BARCODE_CODE49, -1 /*input_mode*/, -1 /*eci*/, -1 /*option_1*/, -1, -1, -1 /*output_options*/, data_buf, data[i].length, debug);
+
+        ret = ZBarcode_Encode(symbol, (unsigned char *) data_buf, length);
+        assert_equal(ret, data[i].ret, "i:%d ZBarcode_Encode ret %d != %d (%s)\n", i, ret, data[i].ret, symbol->errtxt);
+        assert_equal(symbol->errtxt[0] == '\0', ret == 0, "i:%d symbol->errtxt not %s (%s)\n", i, ret ? "set" : "empty", symbol->errtxt);
+        assert_zero(strcmp(symbol->errtxt, data[i].expected_errtxt), "i:%d strcmp(%s, %s) != 0\n", i, symbol->errtxt, data[i].expected_errtxt);
+
+        if (ret < ZINT_ERROR) {
+            assert_equal(symbol->rows, data[i].expected_rows, "i:%d symbol->rows %d != %d\n", i, symbol->rows, data[i].expected_rows);
+            assert_equal(symbol->width, data[i].expected_width, "i:%d symbol->width %d != %d\n", i, symbol->width, data[i].expected_width);
+        }
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
+static void test_input(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    struct item {
+        int input_mode;
+        int option_1;
+        char *data;
+        int length;
+        int ret;
+        int expected_rows;
+        int expected_width;
+        char *expected;
+        char *comment;
+    };
+    /*
+       NUL U+0000, S1 SP (39)
+       US U+001F (\037, 31), S1 5
+    */
+    static const struct item data[] = {
+        /*  0*/ { UNICODE_MODE, -1, "é", -1, ZINT_ERROR_INVALID_DATA, 0, 0, "Error 431: Invalid character at position 1 in input, extended ASCII not allowed", "ASCII only" },
+        /*  1*/ { UNICODE_MODE, -1, "EXAMPLE 2", -1, 0, 2, 70, "(16) 14 33 10 22 25 21 14 41 38 2 35 14 18 13 0 22", "2.3.7 Symbol Example" },
+        /*  2*/ { UNICODE_MODE, -1, "12345", -1, 0, 2, 70, "(16) 5 17 9 48 48 48 48 27 48 48 13 23 0 13 2 0", "2.3 Example 1: Numeric Encodation (Start 2, Numeric)" },
+        /*  3*/ { UNICODE_MODE, -1, "123456", -1, 0, 2, 70, "(16) 5 17 9 6 48 48 48 34 48 48 36 9 23 41 2 11", "2.3 Example 1: Numeric Encodation" },
+        /*  4*/ { UNICODE_MODE, -1, "12345678", -1, 0, 2, 70, "(16) 5 17 9 14 6 48 48 0 48 48 25 42 2 17 2 37", "2.3 Example 1: Numeric Encodation" },
+        /*  5*/ { UNICODE_MODE, -1, "123456789", -1, 0, 2, 70, "(16) 5 17 9 46 16 37 48 31 48 48 7 26 9 39 2 32", "2.3 Example 1: Numeric Encodation" },
+        /*  6*/ { UNICODE_MODE, -1, "1234567", -1, 0, 2, 70, "(16) 43 45 2 11 39 48 48 40 48 48 33 36 38 6 2 15", "2.3 Example 1: Numeric Encodation" },
+        /*  7*/ { UNICODE_MODE, -1, "\037", -1, 0, 2, 70, "(16) 5 48 48 48 48 48 48 48 48 48 4 33 13 15 4 18", "US (Start 4, Alphanumeric S1)" },
+        /*  8*/ { UNICODE_MODE, -1, "\000\037", 2, 0, 2, 70, "(16) 38 43 5 48 48 48 48 33 48 48 45 7 38 43 4 37", "NUL S1 US (Start 4, Alphanumeric S1)" },
+        /*  9*/ { UNICODE_MODE, -1, "a\000", 2, 0, 2, 70, "(16) 10 43 38 48 48 48 48 38 48 48 32 33 14 15 5 48", "a S1 NUL (Start 5, Alphanumeric S2)" },
+        /* 10*/ { UNICODE_MODE, -1, "ab", -1, 0, 2, 70, "(16) 10 44 11 48 48 48 48 12 48 48 27 39 42 0 5 13", "a S2 b (Start 5, Alphanumeric S2)" },
+        /* 11*/ { UNICODE_MODE, -1, "\000A\000a\000", 5, 0, 2, 70, "(16) 38 10 43 38 44 10 43 30 38 48 25 23 38 32 4 12", "NUL A S1 NUL S2 a S1 (C18 30) NUL (Start 4, Alphanumeric S1)" },
+        /* 12*/ { UNICODE_MODE, -1, "1234\037aA12345A", -1, 0, 3, 70, "(24) 1 2 3 4 43 5 44 4 10 10 48 5 17 9 48 0 10 48 19 2 13 32 7 33", "1 2 3 4 S1 US S2 (C18 4) a A NS 12345 NS (C28 0) A (Start 0, Alpha)" },
+        /* 13*/ { GS1_MODE, -1, "[90]12345[91]AB12345", -1, 0, 4, 70, "(32) 45 48 47 15 4 7 9 28 48 45 9 1 10 11 48 25 5 17 9 48 48 48 48 27 48 48 37 39 26 8 14", "FNC1 NS 9012345 (C18 28) NS FNC1 9 1 A B NS (C28 25) 12345 Pad (4) (C38 27) (Start 0, Alpha)" },
+        /* 14*/ { GS1_MODE | GS1PARENS_MODE, -1, "(90)12345(91)AB12345", -1, 0, 4, 70, "(32) 45 48 47 15 4 7 9 28 48 45 9 1 10 11 48 25 5 17 9 48 48 48 48 27 48 48 37 39 26 8 14", "FNC1 NS 9012345 (C18 28) NS FNC1 9 1 A B NS (C28 25) 12345 Pad (4) (C38 27) (Start 0, Alpha)" },
+        /* 15*/ { UNICODE_MODE, -1, "1234567890123456789012345678901234567890", -1, 0, 5, 70, "(40) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 16*/ { UNICODE_MODE, 1, "1234567890123456789012345678901234567890", -1, ZINT_ERROR_INVALID_OPTION, -1, -1, "Error 433: Minimum number of rows out of range (2 to 8)", "" },
+        /* 17*/ { UNICODE_MODE, 9, "1234567890123456789012345678901234567890", -1, ZINT_ERROR_INVALID_OPTION, -1, -1, "Error 433: Minimum number of rows out of range (2 to 8)", "" },
+        /* 18*/ { UNICODE_MODE, 2, "1234567890123456789012345678901234567890", -1, 0, 5, 70, "(40) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 19*/ { UNICODE_MODE, 3, "1234567890123456789012345678901234567890", -1, 0, 5, 70, "(40) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 20*/ { UNICODE_MODE, 4, "1234567890123456789012345678901234567890", -1, 0, 5, 70, "(40) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 21*/ { UNICODE_MODE, 5, "1234567890123456789012345678901234567890", -1, 0, 5, 70, "(40) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 22*/ { UNICODE_MODE, 6, "1234567890123456789012345678901234567890", -1, 0, 6, 70, "(48) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 23*/ { UNICODE_MODE, 7, "1234567890123456789012345678901234567890", -1, 0, 7, 70, "(56) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 24*/ { UNICODE_MODE, 8, "1234567890123456789012345678901234567890", -1, 0, 8, 70, "(64) 5 17 9 29 22 18 5 7 17 9 29 22 18 5 17 19 9 29 22 18 5 17 9 11 29 22 18 48 48 48 48 16", "" },
+        /* 25*/ { UNICODE_MODE, -1, "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVW", -1, 0, 8, 70, "(64) 10 11 12 13 14 15 16 42 17 18 19 20 21 22 23 42 24 25 26 27 28 29 30 42 31 32 33 34 35", "" },
+        /* 26*/ { UNICODE_MODE, -1, "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWX", -1, ZINT_ERROR_TOO_LONG, 0, 0, "Error 432: Input too long, requires 50 codewords (maximum 49)", "" },
+    };
+    const int data_size = ARRAY_SIZE(data);
+    int i, length, ret;
+    struct zint_symbol *symbol = NULL;
+
+    char escaped[1024];
+    char cmp_buf[8192];
+    char cmp_msg[1024];
+
+    int do_bwipp = (debug & ZINT_DEBUG_TEST_BWIPP) && testUtilHaveGhostscript(); /* Only do BWIPP test if asked, too slow otherwise */
+
+    testStartSymbol("test_input", &symbol);
+
+    for (i = 0; i < data_size; i++) {
+
+        if (testContinue(p_ctx, i)) continue;
+
+        symbol = ZBarcode_Create();
+        assert_nonnull(symbol, "Symbol not created\n");
+
+        symbol->debug = ZINT_DEBUG_TEST; /* Needed to get codeword dump in errtxt */
+
+        length = testUtilSetSymbol(symbol, BARCODE_CODE49, data[i].input_mode, -1 /*eci*/, data[i].option_1, -1, -1, -1 /*output_options*/, data[i].data, data[i].length, debug);
+
+        ret = ZBarcode_Encode(symbol, (unsigned char *) data[i].data, length);
+        assert_equal(ret, data[i].ret, "i:%d ZBarcode_Encode ret %d != %d (%s)\n", i, ret, data[i].ret, symbol->errtxt);
+
+        if (p_ctx->generate) {
+            printf("        /*%3d*/ { %s, %d, \"%s\", %d, %s, %d, %d, \"%s\", \"%s\" },\n",
+                    i, testUtilInputModeName(data[i].input_mode), data[i].option_1,
+                    testUtilEscape(data[i].data, length, escaped, sizeof(escaped)), data[i].length,
+                    testUtilErrorName(data[i].ret), symbol->rows, symbol->width, symbol->errtxt, data[i].comment);
+        } else {
+            assert_zero(strcmp((char *) symbol->errtxt, data[i].expected), "i:%d strcmp(%s, %s) != 0\n", i, symbol->errtxt, data[i].expected);
+            if (ret < ZINT_ERROR) {
+                assert_equal(symbol->rows, data[i].expected_rows, "i:%d symbol->rows %d != %d (%s)\n", i, symbol->rows, data[i].expected_rows, data[i].data);
+                assert_equal(symbol->width, data[i].expected_width, "i:%d symbol->width %d != %d (%s)\n", i, symbol->width, data[i].expected_width, data[i].data);
+
+                if (do_bwipp && testUtilCanBwipp(i, symbol, data[i].option_1, -1, -1, debug)) {
+                    char modules_dump[4096];
+                    assert_notequal(testUtilModulesDump(symbol, modules_dump, sizeof(modules_dump)), -1, "i:%d testUtilModulesDump == -1\n", i);
+                    ret = testUtilBwipp(i, symbol, data[i].option_1, -1, -1, data[i].data, length, NULL, cmp_buf, sizeof(cmp_buf), NULL);
+                    assert_zero(ret, "i:%d %s testUtilBwipp ret %d != 0\n", i, testUtilBarcodeName(symbol->symbology), ret);
+
+                    ret = testUtilBwippCmp(symbol, cmp_msg, cmp_buf, modules_dump);
+                    assert_zero(ret, "i:%d %s testUtilBwippCmp %d != 0 %s\n  actual: %s\nexpected: %s\n",
+                                   i, testUtilBarcodeName(symbol->symbology), ret, cmp_msg, cmp_buf, modules_dump);
+                }
+            }
+        }
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
+static void test_encode(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    struct item {
+        int input_mode;
+        int option_1;
+        char *data;
+        int ret;
+
+        int expected_rows;
+        int expected_width;
+        char *comment;
+        char *expected;
+    };
+    static const struct item data[] = {
+        /*  0*/ { UNICODE_MODE, -1, "MULTIPLE ROWS IN CODE 49", 0, 5, 70, "ANSI/AIM BC6-2000 Figure 1",
+                    "1011111011001011101011100110000110111101011011111010111101000100001111"
+                    "1010100001000010001001111000101110100110001111010010001011100011001111"
+                    "1011001100000101101101110111000010110010110000111011101011110001101111"
+                    "1010011001100100001111010010001100101011101111110011010001001111101111"
+                    "1011001111001011101000000101001110111110111010001011010001101111101111"
+                },
+        /*  1*/ { UNICODE_MODE, -1, "EXAMPLE 2", 0, 2, 70, "ANSI/AIM BC6-2000 Figure 3",
+                    "1011000111011100101111001001000110110011110010100010001111000100101111"
+                    "1011000100110010001100010110010000100001101001111010000001001011101111"
+                },
+        /*  2*/ { UNICODE_MODE, 3, "EXAMPLE 2", 0, 3, 70, "Min 3 rows",
+                    "1011000111011100101111001001000110110011110010100010001111000100101111"
+                    "1011000100110010001010111011111100110011110010111010111011001111101111"
+                    "1011001111001011101110011111001010100001000010001010111001111001101111"
+                },
+        /*  3*/ { UNICODE_MODE, 8, "EXAMPLE 2", 0, 8, 70, "Min 8 rows",
+                    "1011000111011100101111001001000110110011110010100010001111000100101111"
+                    "1011000100110010001010111011111100110011110010111010111011001111101111"
+                    "1010101110111111001010111011111100110011110010111011001110110001001111"
+                    "1011001111001011101100111100101110101011101111110010111001000001101111"
+                    "1010101110111111001100111100101110101011101111110011001110110001001111"
+                    "1011001111001011101010111011111100101011101111110011001110110001001111"
+                    "1010101110111111001010111011111100101011101111110010111001000001101111"
+                    "1011110110100100001010000100010000111010010011111011001000111011001111"
+                },
+    };
+    const int data_size = ARRAY_SIZE(data);
+    int i, length, ret;
+    struct zint_symbol *symbol = NULL;
+
+    char escaped[1024];
+    char bwipp_buf[8192];
+    char bwipp_msg[1024];
+
+    int do_bwipp = (debug & ZINT_DEBUG_TEST_BWIPP) && testUtilHaveGhostscript(); /* Only do BWIPP test if asked, too slow otherwise */
+
+    testStartSymbol("test_encode", &symbol);
+
+    for (i = 0; i < data_size; i++) {
+
+        if (testContinue(p_ctx, i)) continue;
+
+        symbol = ZBarcode_Create();
+        assert_nonnull(symbol, "Symbol not created\n");
+
+        length = testUtilSetSymbol(symbol, BARCODE_CODE49, data[i].input_mode, -1 /*eci*/, data[i].option_1, -1, -1, -1 /*output_options*/, data[i].data, -1, debug);
+
+        ret = ZBarcode_Encode(symbol, (unsigned char *) data[i].data, length);
+        assert_equal(ret, data[i].ret, "i:%d ZBarcode_Encode ret %d != %d (%s)\n", i, ret, data[i].ret, symbol->errtxt);
+
+        if (p_ctx->generate) {
+            printf("        /*%3d*/ { %s, %d, \"%s\", %s, %d, %d, \"%s\",\n",
+                    i, testUtilInputModeName(data[i].input_mode), data[i].option_1,
+                    testUtilEscape(data[i].data, length, escaped, sizeof(escaped)),
+                    testUtilErrorName(data[i].ret), symbol->rows, symbol->width, data[i].comment);
+            testUtilModulesPrint(symbol, "                    ", "\n");
+            printf("                },\n");
+        } else {
+            if (ret < ZINT_ERROR) {
+                int width, row;
+
+                assert_equal(symbol->rows, data[i].expected_rows, "i:%d symbol->rows %d != %d (%s)\n", i, symbol->rows, data[i].expected_rows, data[i].data);
+                assert_equal(symbol->width, data[i].expected_width, "i:%d symbol->width %d != %d (%s)\n", i, symbol->width, data[i].expected_width, data[i].data);
+
+                ret = testUtilModulesCmp(symbol, data[i].expected, &width, &row);
+                assert_zero(ret, "i:%d testUtilModulesCmp ret %d != 0 width %d row %d (%s)\n", i, ret, width, row, data[i].data);
+
+                if (do_bwipp && testUtilCanBwipp(i, symbol, data[i].option_1, -1, -1, debug)) {
+                    ret = testUtilBwipp(i, symbol, data[i].option_1, -1, -1, data[i].data, length, NULL, bwipp_buf, sizeof(bwipp_buf), NULL);
+                    assert_zero(ret, "i:%d %s testUtilBwipp ret %d != 0\n", i, testUtilBarcodeName(symbol->symbology), ret);
+
+                    ret = testUtilBwippCmp(symbol, bwipp_msg, bwipp_buf, data[i].expected);
+                    assert_zero(ret, "i:%d %s testUtilBwippCmp %d != 0 %s\n  actual: %s\nexpected: %s\n",
+                                   i, testUtilBarcodeName(symbol->symbology), ret, bwipp_msg, bwipp_buf, data[i].expected);
+                }
+            }
+        }
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
+int main(int argc, char *argv[]) {
+
+    testFunction funcs[] = { /* name, func */
+        { "test_large", test_large },
+        { "test_input", test_input },
+        { "test_encode", test_encode },
+    };
+
+    testRun(argc, argv, funcs, ARRAY_SIZE(funcs));
+
+    testReport();
+
+    return 0;
+}
+
+/* vim: set ts=4 sw=4 et : */