sync code with last improvements from OpenBSD

lib/libXpm/test/XpmRead.c

@@ -0,0 +1,195 @@
+/*
+ * Copyright (c) 2023, Oracle and/or its affiliates.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <X11/xpm.h>
+#include <glib.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "TestAllFiles.h"
+
+#ifndef g_assert_no_errno /* defined in glib 2.66 & later */
+#define g_assert_no_errno(n) g_assert_cmpint(n, >=, 0)
+#endif
+
+/*
+ * XpmReadFileToXpmImage - Read XPM files without requiring an X Display
+ *
+ * Todo: actually check the returned image/info.
+  */
+static int
+TestReadFileToXpmImage(const gchar *filepath)
+{
+    XpmImage image;
+    XpmInfo info;
+    int status;
+
+    status = XpmReadFileToXpmImage(filepath, &image, &info);
+
+    if (status == XpmSuccess) {
+        XpmFreeXpmImage(&image);
+        XpmFreeXpmInfo(&info);
+    }
+
+    return status;
+}
+
+static void
+test_XpmReadFileToXpmImage(void)
+{
+    int status;
+
+    status = TestReadFileToXpmImage("no-such-file.xpm");
+    g_assert_cmpint(status, ==, XpmOpenFailed);
+
+    TestAllNormalFiles("good", XpmSuccess, TestReadFileToXpmImage);
+    TestAllNormalFiles("invalid", XpmFileInvalid, TestReadFileToXpmImage);
+    TestAllNormalFiles("no-mem", XpmNoMemory, TestReadFileToXpmImage);
+    /* XpmReadFileToXpmImage supports compressed files */
+    TestAllCompressedFiles("good", XpmSuccess, TestReadFileToXpmImage);
+    TestAllCompressedFiles("invalid", XpmFileInvalid, TestReadFileToXpmImage);
+    TestAllCompressedFiles("no-mem", XpmNoMemory, TestReadFileToXpmImage);
+}
+
+/*
+ * XpmReadFileToData - wrapper around XpmReadFileToXpmImage that
+ * converts the image into a list of strings.
+ *
+ * Todo: actually check the returned data.
+ */
+static int
+TestReadFileToData(const gchar *filepath)
+{
+    char **data = NULL;
+    int status;
+
+    status = XpmReadFileToData(filepath, &data);
+
+    if (status == XpmSuccess) {
+        XpmImage image;
+        XpmInfo info;
+
+        g_assert_nonnull(data);
+
+        status = XpmCreateXpmImageFromData(data, &image, &info);
+        g_assert_cmpint(status, ==, XpmSuccess);
+
+        XpmFreeXpmImage(&image);
+        XpmFreeXpmInfo(&info);
+        XpmFree(data);
+    }
+
+    return status;
+}
+
+static void
+test_XpmReadFileToData(void)
+{
+    int status;
+
+    status = TestReadFileToData("no-such-file.xpm");
+    g_assert_cmpint(status, ==, XpmOpenFailed);
+
+    TestAllNormalFiles("good", XpmSuccess, TestReadFileToData);
+    TestAllNormalFiles("invalid", XpmFileInvalid, TestReadFileToData);
+    TestAllNormalFiles("no-mem", XpmNoMemory,  TestReadFileToData);
+    /* XpmReadFileToData calls XpmReadFileToXpmImage so it
+       supports compressed files */
+    TestAllCompressedFiles("good", XpmSuccess, TestReadFileToData);
+    TestAllCompressedFiles("invalid", XpmFileInvalid, TestReadFileToData);
+    TestAllCompressedFiles("no-mem", XpmNoMemory, TestReadFileToData);
+}
+
+
+/*
+ * XpmReadFileToBuffer - helper function that just reads the file
+ * into memory and doesn't try to parse it.
+ */
+static int
+TestReadFileToBuffer(const gchar *filepath)
+{
+    char *buffer = NULL;
+    int status;
+
+    status = XpmReadFileToBuffer(filepath, &buffer);
+
+    if (status == XpmSuccess) {
+        char readbuf[8192];
+        char *b = buffer;
+        int fd;
+        ssize_t rd;
+
+        g_assert_nonnull(buffer);
+
+        /* Read file ourselves and verify the data matches */
+        g_assert_no_errno(fd = open(filepath, O_RDONLY));
+        while ((rd = read(fd, readbuf, sizeof(readbuf))) > 0) {
+            g_assert_cmpmem(b, rd, readbuf, rd);
+            b += rd;
+        }
+        /* Verify a nil terminator was added to the end */
+        g_assert_cmpint(b[0], ==, '\0');
+        g_assert_no_errno(close(fd));
+
+        XpmFree(buffer);
+    }
+
+    return status;
+}
+
+static void
+test_XpmReadFileToBuffer(void)
+{
+    int status;
+
+    status = TestReadFileToBuffer("no-such-file.xpm");
+    g_assert_cmpint(status, ==, XpmOpenFailed);
+
+    TestAllNormalFiles("good", XpmSuccess, TestReadFileToBuffer);
+    /* Since this test just reads the file from disk without parsing,
+       we expect Success even from files with bad fields in. */
+    TestAllNormalFiles("invalid", XpmSuccess, TestReadFileToBuffer);
+    TestAllNormalFiles("no-mem", XpmSuccess, TestReadFileToBuffer);
+    /* XpmReadFileToBuffer does not support compressed files */
+}
+
+int
+main(int argc, char** argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_bug_base(PACKAGE_BUGREPORT);
+
+    g_test_add_func("/XpmRead/XpmReadFileToXpmImage",
+                    test_XpmReadFileToXpmImage);
+    g_test_add_func("/XpmRead/XpmReadFileToData",
+                    test_XpmReadFileToData);
+    g_test_add_func("/XpmRead/XpmReadFileToBuffer",
+                    test_XpmReadFileToBuffer);
+
+    return g_test_run();
+}