1 files changed, 59 insertions, 0 deletions
diff --git a/ext/iconv/tests/iconv_substr_basic.phpt b/ext/iconv/tests/iconv_substr_basic.phpt
new file mode 100644
index 0000000..0754fc8
--- /dev/null
+++ b/ext/iconv/tests/iconv_substr_basic.phpt
@@ -0,0 +1,59 @@
+--TEST--
+Test iconv_substr() function : basic functionality 
+--SKIPIF--
+<?php
+extension_loaded('iconv') or die('skip');
+function_exists('iconv_substr') or die("skip iconv_substr() is not available in this build");
+?>
+--INI--
+iconv.input_encoding=ISO-8859-1
+iconv.internal_encoding=ISO-8859-1
+iconv.output_encoding=ISO-8859-1
+--FILE--
+<?php
+/* Prototype  : string iconv_substr(string str, int offset, [int length, string charset])
+ * Description: Returns part of a string 
+ * Source code: ext/iconv/iconv.c
+ */
+
+/*
+ * Test Basic Functionality of iconv_substr with ASCII characters and multibyte strings.
+ */
+
+echo "*** Testing iconv_substr() : basic functionality ***\n";
+
+$string_ascii = b'ABCDEF';
+//Japanese string in UTF-8
+$string_mb = base64_decode(b'5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=');
+
+echo "\n-- ASCII string 1 --\n";
+var_dump(bin2hex(iconv_substr($string_ascii, 3)));
+
+echo "\n-- ASCII string 2 --\n";
+var_dump(bin2hex(iconv_substr($string_ascii, 3, 5, 'ISO-8859-1')));
+
+echo "\n-- Multibyte string 1 --\n";
+$result_1 = iconv_substr($string_mb, 2, 7);
+var_dump(bin2hex($result_1));
+
+echo "\n-- Multibyte string 2 --\n";
+$result_2 = iconv_substr($string_mb, 2, 7, 'utf-8');
+var_dump(bin2hex($result_2));
+
+echo "Done";
+?>
+--EXPECT--
+*** Testing iconv_substr() : basic functionality ***
+
+-- ASCII string 1 --
+string(6) "444546"
+
+-- ASCII string 2 --
+string(6) "444546"
+
+-- Multibyte string 1 --
+string(14) "a5e69cace8aa9e"
+
+-- Multibyte string 2 --
+string(42) "e8aa9ee38386e382ade382b9e38388e381a7e38199"
+Done