From 4701b125596e7f9da31a9f0954f22b018a4994cf Mon Sep 17 00:00:00 2001
From: Jason Woofenden <jason@jasonwoof.com>
Date: Thu, 1 Apr 2010 07:43:49 -0400
Subject: [PATCH] added ordinalize() and tests for it

---
 misc.php            |   29 ++++++++++++++++++++++++++
 unit_tests.php      |    2 +-
 unit_tests/misc.php |   56 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 86 insertions(+), 1 deletion(-)
 create mode 100644 unit_tests/misc.php

diff --git a/misc.php b/misc.php
index 8f46014..1045d45 100644
--- a/misc.php
+++ b/misc.php
@@ -15,6 +15,35 @@
 #  You should have received a copy of the GNU General Public License
 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# pass an integer, returns the suffix
+function ordinal_suffix($i) {
+	# teens are all __th
+	if(strlen($i) > 1 && substr($i, -2, 1) === '1') {
+		return 'th';
+	}
+	switch(substr($i, -1)) {
+		case '':
+			return '';
+		case '1':
+			return 'st';
+		case '2':
+			return 'nd';
+		case '3':
+			return 'rd';
+		default;
+			return 'th';
+	}
+}
+
+# ordinalize(1) => "1st"
+# ordinalize(2) => "2nd"
+# ordinalize(3) => "3rd"
+# ordinalize(111) => "111th"
+# ordinalize("62") => "62nd"
+function ordinalize($i) {
+	return $i . ordinal_suffix($i);
+}
+
 # returns an array containing just the elements of $pipes that are readable (without blocking)
 # timeout 0 means don't wait, timeout NULL means wait indefinitely
 function readable_sockets($pipes, $timeout = 0){
diff --git a/unit_tests.php b/unit_tests.php
index 0808fa4..97df911 100644
--- a/unit_tests.php
+++ b/unit_tests.php
@@ -49,7 +49,7 @@ function run_unit_tests($directory, $basenames) {
 # Call this to unit test wfpl. By default it tests everything, or you can pass
 # a space-separated list of the basenames of the files in code/wfpl/unit_tests/
 # that you'd like to run.
-function unit_test_wfpl($basenames = 'format db') {
+function unit_test_wfpl($basenames = 'format db misc') {
 	tem_load('code/wfpl/unit_tests/template.html');
 	run_unit_tests('code/wfpl/unit_tests', $basenames);
 	display_messages();
diff --git a/unit_tests/misc.php b/unit_tests/misc.php
new file mode 100644
index 0000000..0582649
--- /dev/null
+++ b/unit_tests/misc.php
@@ -0,0 +1,56 @@
+<?php
+
+#  Copyright (C) 2009 Jason Woofenden
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# This file contains tests for functions in code/wfpl/misc.php
+#
+# See code/wfpl/unit_tests.php for details on how to run or create tests
+
+
+require_once('code/wfpl/misc.php');
+
+# returns number of errors
+function test_ordinalize() {
+	$errors = 0;
+
+	$tests = array(
+		'', '',
+		0, "0th",
+		1, "1st",
+		2, "2nd",
+		3, "3rd",
+		111, "111th",
+		"62", "62nd");
+	for($i = 0; $i < count($tests); $i += 2) {
+		$arg = $tests[$i];
+		$correct = $tests[$i + 1];
+		$ret = ordinalize($arg);
+		if($ret !== $correct) {
+			message("ordinalize($arg) returned \"$ret\" instead of \"$correct\"");
+			$errors += 1;
+		}
+	}
+
+	return $errors;
+}
+
+# returns number of errors
+function misc_unit_tests_main() {
+	$errors = 0;
+	$errors += test_ordinalize();
+	return $errors;
+}
-- 
1.7.10.4