Add automatic testing against every test file.

CMakeLists.txt

@@ -1,7 +1,7 @@
 ######## Project settings
 cmake_minimum_required(VERSION 2.8)
 set (PACKAGE_NAME opencc)
-project (${PACKAGE_NAME} CXX)
+project (${PACKAGE_NAME} CXX C)
 enable_testing()
 
 ######## Package information
@@ -79,3 +79,4 @@ install(
 
 add_subdirectory(src)
 add_subdirectory(doc)
+add_subdirectory(test)

test/CMakeLists.txt

@@ -0,0 +1,37 @@
+set(
+	UCHARDET_TEST_SOURCES
+	uchardet-tests.c
+)
+
+add_executable(
+	uchardet-tests
+	${UCHARDET_TEST_SOURCES}
+)
+
+target_link_libraries(
+	uchardet-tests
+	libuchardet
+)
+
+set_target_properties(
+	uchardet-tests
+	PROPERTIES
+		LINKER_LANGUAGE
+			C
+		OUTPUT_NAME
+			uchardet-tests
+)
+
+# Iterate through all langs.
+file(GLOB dirs "[a-z][a-z]")
+foreach(dir ${dirs})
+    get_filename_component(lang ${dir} NAME)
+    file(GLOB files "${dir}/*")
+    # Iterate through all files.
+    foreach(file ${files})
+        get_filename_component(charset ${file} NAME_WE)
+        add_test(NAME "${lang}-${charset}"
+                 COMMAND uchardet-tests ${file})
+    endforeach()
+endforeach()
+

test/uchardet-tests.c

@@ -0,0 +1,128 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Mozilla Universal charset detector code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2001
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *          Jehan <jehan@girinstud.io>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../src/uchardet.h"
+
+#define BUFFER_SIZE 65536
+
+char *
+detect(FILE *fp)
+{
+    uchardet_t  handle = uchardet_new();
+    char       *charset;
+    char        buffer[BUFFER_SIZE];
+    int         i;
+
+    while (!feof(fp))
+    {
+        size_t len = fread(buffer, 1, BUFFER_SIZE, fp);
+        int retval = uchardet_handle_data(handle, buffer, len);
+        if (retval != 0)
+        {
+            fprintf(stderr,
+                    "uchardet-tests: handle data error.\n");
+            exit(1);
+        }
+    }
+    uchardet_data_end(handle);
+
+    charset = strdup(uchardet_get_charset(handle));
+    for (i = 0; charset[i]; i++)
+    {
+        /* Our test files are lowercase. */
+        charset[i] = tolower(charset[i]);
+    }
+
+    uchardet_delete(handle);
+
+    return charset;
+}
+
+int
+main(int argc, char ** argv)
+{
+    FILE *f;
+    char *filename;
+    char *expected_charset;
+    char *charset;
+    int   success;
+
+    if (argc != 2)
+    {
+        /* The test program expects exactly 1 argument. */
+        fprintf(stderr,
+                "uchardet-tests expects exactly 1 argument\n");
+        return 1;
+    }
+
+    filename = strdup(argv[1]);
+    f = fopen(filename, "r");
+    if (f == NULL)
+    {
+        /* Error opening the test file. */
+        fprintf(stderr,
+                "uchardet-tests: error opening the test file\n");
+        return 1;
+    }
+
+    expected_charset = strrchr(filename, '/');
+    if (expected_charset == NULL)
+    {
+        expected_charset = filename;
+    }
+    else
+    {
+        expected_charset++;
+    }
+    expected_charset = strtok(expected_charset, ".");
+
+    charset = detect(f);
+    fclose (f);
+
+    /* In a unit test, 0 means success, other returned values mean failure. */
+    success = (strcmp(charset, expected_charset) != 0);
+
+    free(charset);
+    free(filename);
+
+    return success;
+}