Put printf() / scanf() test macros in seperate header.

[pdclib.old] / testing / _PDCLIB_iotest.h

diff --git a/testing/_PDCLIB_iotest.h b/testing/_PDCLIB_iotest.h
new file mode 100644 (file)
index 0000000..4dc33f4
--- /dev/null
+++ b/testing/_PDCLIB_iotest.h
@@ -0,0 +1,67 @@
+/* $Id$ */
+
+/* PDCLib testing suite <_PDCLIB_test.h>
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* -------------------------------------------------------------------------- */
+/* Helper macros for printf() / scanf() tests                                 */
+/* -------------------------------------------------------------------------- */
+/* Tucked away in a seperate header because these are ugly, complex, and not  */
+/* needed in 95% of all test cases.                                           */
+/* -------------------------------------------------------------------------- */
+
+/* ...printf() tests */
+#if defined( _PDCLIB_FILEIO )
+    #define RESULT_MISMATCH( act, exp ) \
+        rewind( act ), \
+        result_buffer[ fread( result_buffer, 1, strlen( exp ) + 1, act ) ] = '\0', \
+        rewind( act ), \
+        memcmp( result_buffer, exp, strlen( exp ) )
+   #define RESULT_STRING( tgt ) result_buffer
+#elif defined( _PDCLIB_STRINGIO )
+   #define RESULT_MISMATCH( act, exp ) strcmp( act, exp ) != 0
+   #define RESULT_STRING( tgt ) tgt
+#endif
+
+#ifdef _PDCLIB_FILEIO
+#define PREP_RESULT_BUFFER char result_buffer[100];
+#else
+#define PREP_RESULT_BUFFER
+#endif
+
+#define PRINTF_TEST( expected_rc, expected_string, format, ... ) do { \
+        PREP_RESULT_BUFFER \
+        int actual_rc = testprintf( target, format, __VA_ARGS__ ); \
+        if ( ( actual_rc != expected_rc ) || \
+             ( RESULT_MISMATCH( target, expected_string ) ) ) \
+        { \
+            ++TEST_RESULTS; \
+            fprintf( stderr, "FAILED: " __FILE__ " (" _PDCLIB_FILEID "), line %d\n        expected %2d, \"%s\"\n        actual   %2d, \"%s\"\n", __LINE__, expected_rc, expected_string, actual_rc, RESULT_STRING( target ) ); \
+        } \
+    } while ( 0 )
+
+/* ...scanf() tests */
+#if defined( _PDCLIB_FILEIO )
+    #define PREPARE_SOURCE( input_string ) \
+        rewind( source ); \
+        fwrite( input_string, 1, sizeof( input_string ), source ); \
+        rewind( source );
+#elif defined( _PDCLIB_STRINGIO )
+    #define PREPARE_SOURCE( input_string ) \
+        memcpy( source, input_string, sizeof( input_string ) );
+#endif
+
+#define SCANF_TEST( expected_rc, input_string, format, ... ) do { \
+        int actual_rc; \
+        PREPARE_SOURCE( input_string ); \
+        actual_rc = testscanf( source, format, __VA_ARGS__ ); \
+        if ( actual_rc != expected_rc ) \
+        { \
+            ++TEST_RESULTS; \
+            fprintf( stderr, "FAILED: " __FILE__ " (" _PDCLIB_FILEID "), line %d\n        expected %2d,        actual   %2d\n", __LINE__, expected_rc, actual_rc ); \
+        } \
+    } while ( 0 )
+