If the check library is not available, use an abbreviated implementat…

…ion of

the check API.  This allows the unit and regression tests to be run on any
system without requiring an external package.

tests/chardata.c

@@ -0,0 +1,131 @@
+/* Copyright (c) 1998-2003 Thai Open Source Software Center Ltd
+   See the file COPYING for copying permission.
+
+   chardata.c
+*/
+
+#ifdef HAVE_EXPAT_CONFIG_H
+#include <expat_config.h>
+#endif
+#ifdef HAVE_CHECK_H
+#include <check.h>
+#else
+#include "minicheck.h"
+#endif
+
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "chardata.h"
+
+
+static int
+xmlstrlen(const XML_Char *s)
+{
+    int len = 0;
+    assert(s != NULL);
+    while (s[len] != 0)
+        ++len;
+    return len;
+}
+
+
+void
+CharData_Init(CharData *storage)
+{
+    assert(storage != NULL);
+    storage->count = -1;
+}
+
+void
+CharData_AppendString(CharData *storage, const char *s)
+{
+    int maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
+    int len;
+
+    assert(s != NULL);
+    len = strlen(s);
+    if (storage->count < 0)
+        storage->count = 0;
+    if ((len + storage->count) > maxchars) {
+        len = (maxchars - storage->count);
+    }
+    if (len + storage->count < sizeof(storage->data)) {
+        memcpy(storage->data + storage->count, s, len);
+        storage->count += len;
+    }
+}
+
+void
+CharData_AppendXMLChars(CharData *storage, const XML_Char *s, int len)
+{
+    int maxchars;
+
+    assert(storage != NULL);
+    assert(s != NULL);
+    maxchars = sizeof(storage->data) / sizeof(storage->data[0]);
+    if (storage->count < 0)
+        storage->count = 0;
+    if (len < 0)
+        len = xmlstrlen(s);
+    if ((len + storage->count) > maxchars) {
+        len = (maxchars - storage->count);
+    }
+    if (len + storage->count < sizeof(storage->data)) {
+        memcpy(storage->data + storage->count, s,
+               len * sizeof(storage->data[0]));
+        storage->count += len;
+    }
+}
+
+int
+CharData_CheckString(CharData *storage, const char *expected)
+{
+    char buffer[1280];
+    int len;
+    int count;
+
+    assert(storage != NULL);
+    assert(expected != NULL);
+    count = (storage->count < 0) ? 0 : storage->count;
+    len = strlen(expected);
+    if (len != count) {
+        if (sizeof(XML_Char) == 1)
+            sprintf(buffer, "wrong number of data characters:"
+                    " got %d, expected %d:\n%s", count, len, storage->data);
+        else
+            sprintf(buffer,
+                    "wrong number of data characters: got %d, expected %d",
+                    count, len);
+        fail(buffer);
+        return 0;
+    }
+    if (memcmp(expected, storage->data, len) != 0) {
+        fail("got bad data bytes");
+        return 0;
+    }
+    return 1;
+}
+
+int
+CharData_CheckXMLChars(CharData *storage, const XML_Char *expected)
+{
+    char buffer[1024];
+    int len = xmlstrlen(expected);
+    int count;
+
+    assert(storage != NULL);
+    count = (storage->count < 0) ? 0 : storage->count;
+    if (len != count) {
+        sprintf(buffer, "wrong number of data characters: got %d, expected %d",
+                count, len);
+        fail(buffer);
+        return 0;
+    }
+    if (memcmp(expected, storage->data, len * sizeof(storage->data[0])) != 0) {
+        fail("got bad data bytes");
+        return 0;
+    }
+    return 1;
+}