--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/zint/backend/tests/test_gif.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,413 @@
+/*
+    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"
+
+INTERNAL int gif_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf);
+
+static void test_pixel_plot(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    struct item {
+        int symbology;
+        int width;
+        int height;
+        char *pattern;
+        int repeat;
+        int ret;
+    };
+    /* s/\/\*[ 0-9]*\*\//\=printf("\/\*%3d*\/", line(".") - line("'<")): */
+    static const struct item data[] = {
+        /*  0*/ { BARCODE_CODE128, 1, 1, "1", 0, 0 },
+        /*  1*/ { BARCODE_CODE128, 2, 1, "11", 0, 0 },
+        /*  2*/ { BARCODE_CODE128, 3, 1, "101", 0, 0 },
+        /*  3*/ { BARCODE_CODE128, 4, 1, "1010", 0, 0 },
+        /*  4*/ { BARCODE_CODE128, 5, 1, "10101", 0, 0 },
+        /*  5*/ { BARCODE_CODE128, 3, 2, "101010", 0, 0 },
+        /*  6*/ { BARCODE_CODE128, 3, 3, "101010101", 0, 0 },
+        /*  7*/ { BARCODE_ULTRA, 8, 2, "CBMWKRYGGYRKWMBC", 0, 0 },
+        /*  8*/ { BARCODE_ULTRA, 20, 30, "WWCWBWMWRWYWGWKCCWCMCRCYCGCKBWBCBBMBRBYBGBKMWMCMBMMRMYMGMKRWRCRBRMRRYRGRKYWYCYBYMYRYYGYKGWGCGBGMGRGYGGKKWKCKBKMKRKYKGKK", 1, 0 }, /* Single LZW block, size 255 */
+        /*  9*/ { BARCODE_ULTRA, 19, 32, "WWCWBWMWRWYWGWKCCWCMCRCYCGCKBWBCBBMBRBYBGBKMWMCMBMMRMYMGMKRWRCRBRMRRYRGRKYWYCYBYMYRYYGYKGWGCGBGMGRGYGGKKWK", 1, 0 }, /* Two LZW blocks, last size 1 */
+        /* 10*/ { BARCODE_ULTRA, 1, 1, "D", 0, 0 }, /* This used to fail, now just maps unknown codes to 0 (1st colour index) */
+    };
+    const int data_size = ARRAY_SIZE(data);
+    int i, ret;
+    struct zint_symbol *symbol = NULL;
+
+    char *gif = "out.gif";
+
+    char data_buf[19 * 32 + 1]; /* 19 * 32 == 608 */
+
+    const char *const have_identify = testUtilHaveIdentify();
+
+    testStart("test_pixel_plot");
+
+    for (i = 0; i < data_size; i++) {
+        int size;
+
+        if (testContinue(p_ctx, i)) continue;
+
+        symbol = ZBarcode_Create();
+        assert_nonnull(symbol, "Symbol not created\n");
+
+        strcpy(symbol->outfile, gif);
+
+        symbol->symbology = data[i].symbology;
+        symbol->bitmap_width = data[i].width;
+        symbol->bitmap_height = data[i].height;
+        symbol->debug |= debug;
+
+        size = data[i].width * data[i].height;
+        assert_nonzero(size < (int) sizeof(data_buf), "i:%d gif_pixel_plot size %d < sizeof(data_buf) %d\n", i, size, (int) sizeof(data_buf));
+
+        if (data[i].repeat) {
+            testUtilStrCpyRepeat(data_buf, data[i].pattern, size);
+        } else {
+            strcpy(data_buf, data[i].pattern);
+        }
+        assert_equal(size, (int) strlen(data_buf), "i:%d gif_pixel_plot size %d != strlen(data_buf) %d\n", i, size, (int) strlen(data_buf));
+
+        symbol->bitmap = (unsigned char *) data_buf;
+
+        ret = gif_pixel_plot(symbol, (unsigned char *) data_buf);
+        assert_equal(ret, data[i].ret, "i:%d gif_pixel_plot ret %d != %d (%s)\n", i, ret, data[i].ret, symbol->errtxt);
+
+        if (ret < ZINT_ERROR) {
+            if (have_identify) {
+                ret = testUtilVerifyIdentify(have_identify, symbol->outfile, debug);
+                assert_zero(ret, "i:%d identify %s ret %d != 0\n", i, symbol->outfile, ret);
+            }
+            if (!(debug & ZINT_DEBUG_TEST_KEEP_OUTFILE)) { /* -d 64 */
+                assert_zero(testUtilRemove(symbol->outfile), "i:%d testUtilRemove(%s) != 0\n", i, symbol->outfile);
+            }
+        } else {
+            if (!(debug & ZINT_DEBUG_TEST_KEEP_OUTFILE)) {
+                (void) testUtilRemove(symbol->outfile);
+            }
+        }
+
+        symbol->bitmap = NULL;
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
+static void test_print(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    struct item {
+        int symbology;
+        int border_width;
+        int output_options;
+        int whitespace_width;
+        int whitespace_height;
+        int option_1;
+        int option_2;
+        float height;
+        float scale;
+        float dot_size;
+        struct zint_structapp structapp;
+        char *fgcolour;
+        char *bgcolour;
+        char *data;
+        char *expected_file;
+        char *comment;
+    };
+    static const struct item data[] = {
+        /*  0*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "", "", "12", "dotcode_1.0.gif", "" },
+        /*  1*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0.1, { 0, 0, "" }, "", "", "12", "dotcode_1.0_ds0.1.gif", "" },
+        /*  2*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_1.0_ds1.1.gif", "" },
+        /*  3*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 1.5, 0, { 0, 0, "" }, "", "", "12", "dotcode_1.5.gif", "" },
+        /*  4*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 1.5, 0.4, { 0, 0, "" }, "", "", "12", "dotcode_1.5_ds0.4.gif", "" },
+        /*  5*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 1.5, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_1.5_ds1.1.gif", "" },
+        /*  6*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 1.5, 2.1, { 0, 0, "" }, "", "", "12", "dotcode_1.5_ds2.1.gif", "" },
+        /*  7*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 2, 0, { 0, 0, "" }, "", "", "12", "dotcode_2.0.gif", "" },
+        /*  8*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 2, 0.9, { 0, 0, "" }, "", "", "12", "dotcode_2.0_ds0.9.gif", "" },
+        /*  9*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 2, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_2.0_ds1.1.gif", "" },
+        /* 10*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3, 0, { 0, 0, "" }, "", "", "12", "dotcode_3.0.gif", "" },
+        /* 11*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3, 0.4, { 0, 0, "" }, "", "", "12", "dotcode_3.0_ds0.4.gif", "" },
+        /* 12*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_3.0_ds1.1.gif", "" },
+        /* 13*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3.5, 0, { 0, 0, "" }, "", "", "12", "dotcode_3.5.gif", "" },
+        /* 14*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3.5, 0.4, { 0, 0, "" }, "", "", "12", "dotcode_3.5_ds0.4.gif", "" },
+        /* 15*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 3.5, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_3.5_ds1.1.gif", "" },
+        /* 16*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 5, 0, { 0, 0, "" }, "", "", "12", "dotcode_5.0.gif", "" },
+        /* 17*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 5, 0.2, { 0, 0, "" }, "", "", "12", "dotcode_5.0_ds0.2.gif", "" },
+        /* 18*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 5, 1.1, { 0, 0, "" }, "", "", "12", "dotcode_5.0_ds1.1.gif", "" },
+        /* 19*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 5, 1.7, { 0, 0, "" }, "", "", "12", "dotcode_5.0_ds1.7.gif", "" },
+        /* 20*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "2674C344", "FDFFC2CC", "12", "dotcode_bgfgalpha.gif", "" },
+        /* 21*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "00000000", "FFFFFF00", "12", "dotcode_bgfgtrans.gif", "" },
+        /* 22*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "00000000", "FFFFFF", "12", "dotcode_fgtrans.gif", "" },
+        /* 23*/ { BARCODE_DOTCODE, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "000000", "FFFFFF00", "12", "dotcode_bgtrans.gif", "" },
+        /* 24*/ { BARCODE_DOTCODE, -1, CMYK_COLOUR, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "71,0,40,44", "", "12", "dotcode_cmyk_fg.gif", "" },
+        /* 25*/ { BARCODE_ULTRA, 1, BARCODE_BOX, 1, 1, -1, -1, 0, 0, 0, { 0, 0, "" }, "0000FF", "FF0000", "12", "ultra_fgbg_hvwsp1_box1.gif", "" },
+        /* 26*/ { BARCODE_ULTRA, 1, BARCODE_BOX, 1, 1, -1, -1, 0, 0, 0, { 0, 0, "" }, "0000FF00", "FF000000", "12", "ultra_fgbg_hvwsp1_box1_bgfgtrans.gif", "" },
+        /* 27*/ { BARCODE_ULTRA, 1, BARCODE_BOX, 1, 1, -1, -1, 0, 0, 0, { 0, 0, "" }, "0000FF", "FF000000", "12", "ultra_fgbg_hvwsp1_box1_bgtrans.gif", "" },
+        /* 28*/ { BARCODE_ULTRA, 1, BARCODE_BOX, 1, 1, -1, -1, 0, 0, 0, { 0, 0, "" }, "0000FF00", "FF0000", "12", "ultra_fgbg_hvwsp1_box1_fgtrans.gif", "" },
+        /* 29*/ { BARCODE_ITF14, 4, BARCODE_BIND, 24, -1, -1, -1, 61.8, 3, 0, { 0, 0, "" }, "", "", "0501054800395", "itf14_height61.8_bind4_wsp24_3.gif", "#204 ARM-Cortex crash" },
+        /* 30*/ { BARCODE_ITF14, 0, BARCODE_BIND, -1, -1, -1, -1, 0.5, 0.5, 0, { 0, 0, "" }, "", "", "0501054800395", "itf14_height0.5_box0_0.5.gif", "No box, no text" },
+        /* 31*/ { BARCODE_ITF14, -1, -1, -1, -1, -1, -1, 0.5, 1.1, 0, { 0, 0, "" }, "", "", "0501054800395", "itf14_height0.5_1.1.gif", "" },
+        /* 32*/ { BARCODE_CODE16K, -1, -1, 3, 5, -1, -1, 0.5, 0, 0, { 0, 0, "" }, "", "", "1234567890", "code16k_height0.5_wsp3_vwsp5.gif", "Separator covers bars" },
+        /* 33*/ { BARCODE_CODE16K, -1, -1, 3, 5, -1, -1, 1.5, 0, 0, { 0, 0, "" }, "", "", "1234567890", "code16k_height1.5_wsp3_vwsp5.gif", "" },
+        /* 34*/ { BARCODE_DATAMATRIX, -1, -1, -1, -1, -1, -1, 0, 0, 0, { 2, 9, "001002" }, "", "", "1234567890", "datamatrix_seq2of9.gif", "" },
+        /* 35*/ { BARCODE_ULTRA, -1, -1, 1, -1, -1, 2, 0, 0, 0, { 0, 0, "" }, "", "", "12", "ultra_rev2.gif", "Revision 2" },
+        /* 36*/ { BARCODE_DPD, -1, BARCODE_QUIET_ZONES | COMPLIANT_HEIGHT, -1, -1, -1, -1, 0, 0, 0, { 0, 0, "" }, "", "", "008182709980000020028101276", "dpd_compliant.gif", "Now with bind top 3X default" },
+    };
+    const int data_size = ARRAY_SIZE(data);
+    int i, length, ret;
+    struct zint_symbol *symbol = NULL;
+
+    const char *data_dir = "/backend/tests/data/gif";
+    const char *gif = "out.gif";
+    char expected_file[4096];
+    char escaped[1024];
+    int escaped_size = 1024;
+    unsigned char filebuf[32768];
+    int filebuf_size;
+
+    const char *const have_identify = testUtilHaveIdentify();
+
+    testStartSymbol("test_print", &symbol);
+
+    if (p_ctx->generate) {
+        char data_dir_path[1024];
+        assert_nonzero(testUtilDataPath(data_dir_path, sizeof(data_dir_path), data_dir, NULL), "testUtilDataPath(%s) == 0\n", data_dir);
+        if (!testUtilDirExists(data_dir_path)) {
+            ret = testUtilMkDir(data_dir_path);
+            assert_zero(ret, "testUtilMkDir(%s) ret %d != 0 (%d: %s)\n", data_dir_path, ret, errno, strerror(errno));
+        }
+    }
+
+    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, data[i].symbology, -1 /*input_mode*/, -1 /*eci*/, data[i].option_1, data[i].option_2, -1, data[i].output_options, data[i].data, -1, debug);
+        if (data[i].border_width != -1) {
+            symbol->border_width = data[i].border_width;
+        }
+        if (data[i].whitespace_width != -1) {
+            symbol->whitespace_width = data[i].whitespace_width;
+        }
+        if (data[i].whitespace_height != -1) {
+            symbol->whitespace_height = data[i].whitespace_height;
+        }
+        if (data[i].height) {
+            symbol->height = data[i].height;
+        }
+        if (data[i].scale) {
+            symbol->scale = data[i].scale;
+        }
+        if (data[i].dot_size) {
+            symbol->dot_size = data[i].dot_size;
+        }
+        if (data[i].structapp.count) {
+            symbol->structapp = data[i].structapp;
+        }
+        if (*data[i].fgcolour) {
+            strcpy(symbol->fgcolour, data[i].fgcolour);
+        }
+        if (*data[i].bgcolour) {
+            strcpy(symbol->bgcolour, data[i].bgcolour);
+        }
+
+        ret = ZBarcode_Encode(symbol, (unsigned char *) data[i].data, length);
+        assert_zero(ret, "i:%d %s ZBarcode_Encode ret %d != 0 %s\n", i, testUtilBarcodeName(data[i].symbology), ret, symbol->errtxt);
+
+        strcpy(symbol->outfile, gif);
+        ret = ZBarcode_Print(symbol, 0);
+        assert_zero(ret, "i:%d %s ZBarcode_Print %s ret %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, ret);
+
+        assert_nonzero(testUtilDataPath(expected_file, sizeof(expected_file), data_dir, data[i].expected_file), "i:%d testUtilDataPath == 0\n", i);
+
+        if (p_ctx->generate) {
+            printf("        /*%3d*/ { %s, %d, %s, %d, %d, %d, %d, %.5g, %.5g, %.5g, \"%s\", \"%s\", \"%s\", \"%s\", \"%s\" },\n",
+                    i, testUtilBarcodeName(data[i].symbology), data[i].border_width, testUtilOutputOptionsName(data[i].output_options),
+                    data[i].whitespace_width, data[i].whitespace_height,
+                    data[i].option_1, data[i].option_2, data[i].height, data[i].scale, data[i].dot_size, data[i].fgcolour, data[i].bgcolour,
+                    testUtilEscape(data[i].data, length, escaped, escaped_size), data[i].expected_file, data[i].comment);
+            ret = testUtilRename(symbol->outfile, expected_file);
+            assert_zero(ret, "i:%d testUtilRename(%s, %s) ret %d != 0\n", i, symbol->outfile, expected_file, ret);
+            if (have_identify) {
+                ret = testUtilVerifyIdentify(have_identify, expected_file, debug);
+                assert_zero(ret, "i:%d %s identify %s ret %d != 0\n", i, testUtilBarcodeName(data[i].symbology), expected_file, ret);
+            }
+        } else {
+            assert_nonzero(testUtilExists(symbol->outfile), "i:%d testUtilExists(%s) == 0\n", i, symbol->outfile);
+            assert_nonzero(testUtilExists(expected_file), "i:%d testUtilExists(%s) == 0\n", i, expected_file);
+
+            ret = testUtilCmpBins(symbol->outfile, expected_file);
+            assert_zero(ret, "i:%d %s testUtilCmpBins(%s, %s) %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, expected_file, ret);
+
+            ret = testUtilReadFile(symbol->outfile, filebuf, sizeof(filebuf), &filebuf_size); /* For BARCODE_MEMORY_FILE */
+            assert_zero(ret, "i:%d %s testUtilReadFile(%s) %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, ret);
+
+            if (!(debug & ZINT_DEBUG_TEST_KEEP_OUTFILE)) {
+                assert_zero(testUtilRemove(symbol->outfile), "i:%d testUtilRemove(%s) != 0\n", i, symbol->outfile);
+            }
+
+            symbol->output_options |= BARCODE_MEMORY_FILE;
+            ret = ZBarcode_Print(symbol, 0);
+            assert_zero(ret, "i:%d %s ZBarcode_Print %s ret %d != 0 (%s)\n",
+                            i, testUtilBarcodeName(data[i].symbology), symbol->outfile, ret, symbol->errtxt);
+            assert_nonnull(symbol->memfile, "i:%d %s memfile NULL\n", i, testUtilBarcodeName(data[i].symbology));
+            assert_equal(symbol->memfile_size, filebuf_size, "i:%d %s memfile_size %d != %d\n",
+                            i, testUtilBarcodeName(data[i].symbology), symbol->memfile_size, filebuf_size);
+            assert_zero(memcmp(symbol->memfile, filebuf, symbol->memfile_size), "i:%d %s memcmp(memfile, filebuf) != 0\n",
+                            i, testUtilBarcodeName(data[i].symbology));
+        }
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
+static void test_outfile(const testCtx *const p_ctx) {
+    int ret;
+    int skip_readonly_test = 0;
+    struct zint_symbol symbol = {0};
+    unsigned char data[] = { "1" };
+
+    (void)p_ctx;
+
+    testStart("test_outfile");
+
+    symbol.symbology = BARCODE_CODE128;
+    symbol.bitmap = data;
+    symbol.bitmap_width = symbol.bitmap_height = 1;
+
+    strcpy(symbol.outfile, "test_gif_out.gif");
+#ifndef _WIN32
+    skip_readonly_test = getuid() == 0; /* Skip if running as root on Unix as can't create read-only file */
+#endif
+    if (!skip_readonly_test) {
+        static char expected_errtxt[] = "611: Could not open GIF output file ("; /* Excluding OS-dependent `errno` stuff */
+
+        (void) testUtilRmROFile(symbol.outfile); /* In case lying around from previous fail */
+        assert_nonzero(testUtilCreateROFile(symbol.outfile), "gif_pixel_plot testUtilCreateROFile(%s) fail (%d: %s)\n", symbol.outfile, errno, strerror(errno));
+
+        ret = gif_pixel_plot(&symbol, data);
+        assert_equal(ret, ZINT_ERROR_FILE_ACCESS, "gif_pixel_plot ret %d != ZINT_ERROR_FILE_ACCESS (%d) (%s)\n", ret, ZINT_ERROR_FILE_ACCESS, symbol.errtxt);
+        assert_zero(testUtilRmROFile(symbol.outfile), "gif_pixel_plot testUtilRmROFile(%s) != 0 (%d: %s)\n", symbol.outfile, errno, strerror(errno));
+        assert_zero(strncmp(symbol.errtxt, expected_errtxt, sizeof(expected_errtxt) - 1), "strncmp(%s, %s) != 0\n", symbol.errtxt, expected_errtxt);
+    }
+
+    symbol.output_options |= BARCODE_STDOUT;
+
+    ret = gif_pixel_plot(&symbol, data);
+    printf(" - ignore (GIF to stdout)\n"); fflush(stdout);
+    assert_zero(ret, "gif_pixel_plot ret %d != 0 (%s)\n", ret, symbol.errtxt);
+
+    testFinish();
+}
+
+static void test_large_scale(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    int length, ret;
+    struct zint_symbol symbol = {0};
+    char data[] = "1";
+
+    testStart("test_large_scale");
+
+    length = (int) strlen(data);
+
+    ZBarcode_Reset(&symbol);
+    symbol.symbology = BARCODE_ITF14;
+    strcpy(symbol.outfile, "out.gif");
+    /* X-dimension 0.27mm * 95 = 25.65 ~ 25 pixels so 12.5 gives 95 dpmm (2400 dpi) */
+    symbol.scale = 12.5f; /* 70.0f would cause paging as LZW > 1MB but very slow */
+
+    ret = ZBarcode_Encode_and_Print(&symbol, (unsigned char *) data, length, 0 /*rotate_angle*/);
+    assert_zero(ret, "%s ZBarcode_Encode_and_Print ret %d != 0 %s\n", testUtilBarcodeName(symbol.symbology), ret, symbol.errtxt);
+
+    if (!(debug & ZINT_DEBUG_TEST_KEEP_OUTFILE)) { /* -d 64 */
+        /* 129.1 kB file manually inspected and checked (1.1 MB file for scale 70.0f also checked) */
+        assert_zero(testUtilRemove(symbol.outfile), "testUtilRemove(%s) != 0\n", symbol.outfile);
+    }
+
+    ZBarcode_Clear(&symbol);
+
+    testFinish();
+}
+
+static void test_too_big(const testCtx *const p_ctx) {
+    int debug = p_ctx->debug;
+
+    int length, ret;
+    struct zint_symbol symbol = {0};
+    char data[] = "12345";
+
+    (void)debug;
+
+    testStart("test_too_big");
+
+    length = (int) strlen(data);
+
+    ZBarcode_Reset(&symbol);
+    symbol.symbology = BARCODE_EANX;
+    strcpy(symbol.outfile, "out.gif");
+    symbol.scale = 200.0f;
+    symbol.whitespace_width = 32;
+
+    /* Fails in `plot_raster_default()` with `image_size` 0x4029C800 > 1GB */
+    ret = ZBarcode_Encode_and_Print(&symbol, (unsigned char *) data, length, 0 /*rotate_angle*/);
+    assert_equal(ret, ZINT_ERROR_MEMORY, "%s ZBarcode_Encode_and_Print ret %d != ZINT_ERROR_MEMORY %s\n",
+                    testUtilBarcodeName(symbol.symbology), ret, symbol.errtxt);
+
+    ZBarcode_Clear(&symbol);
+
+    testFinish();
+}
+
+int main(int argc, char *argv[]) {
+
+    testFunction funcs[] = { /* name, func */
+        { "test_pixel_plot", test_pixel_plot },
+        { "test_print", test_print },
+        { "test_outfile", test_outfile },
+        { "test_large_scale", test_large_scale },
+        { "test_too_big", test_too_big },
+    };
+
+    testRun(argc, argv, funcs, ARRAY_SIZE(funcs));
+
+    testReport();
+
+    return 0;
+}
+
+/* vim: set ts=4 sw=4 et : */