diff --git a/tests/config/bar.ini b/tests/config/bar.ini
new file mode 100644
index 0000000..0401478
--- /dev/null
+++ b/tests/config/bar.ini
@@ -0,0 +1,3 @@
+[bar]
+bar = foo
+asdf = foo
diff --git a/tests/config/expand.ini b/tests/config/expand.ini
new file mode 100644
index 0000000..0c0592a
--- /dev/null
+++ b/tests/config/expand.ini
@@ -0,0 +1,12 @@
+[expand]
+a = b
+b = ${expand/a}b
+
+[mail]
+serverName = mail.example.org
+emailFrom = kt@${mail/serverName}
+
+[multi]
+a = asdf
+b = rewq
+c = zxcv${multi/a}zxcv${multi/b}zxcv${multi/a}
diff --git a/tests/config/foo.ini b/tests/config/foo.ini
new file mode 100644
index 0000000..d6d014b
--- /dev/null
+++ b/tests/config/foo.ini
@@ -0,0 +1,2 @@
+[asdf]
+asdf=asdf
diff --git a/tests/config/testConfig.php b/tests/config/testConfig.php
new file mode 100644
index 0000000..7674123
--- /dev/null
+++ b/tests/config/testConfig.php
@@ -0,0 +1,28 @@
+<?php
+
+error_reporting(E_ALL);
+
+require_once("../../config/dmsDefaults.php");
+require_once(KT_LIB_DIR . '/config/config.inc.php');
+
+$KTConfig = new KTConfig;
+$KTConfig->loadFile("foo.ini");
+$aExpectedRet = "asdf";
+$aRet = $KTConfig->get("asdf");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+$aRet = $KTConfig->get("asdf/asdf");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+
+?>
diff --git a/tests/config/testExpand.php b/tests/config/testExpand.php
new file mode 100644
index 0000000..81332c6
--- /dev/null
+++ b/tests/config/testExpand.php
@@ -0,0 +1,40 @@
+<?php
+
+error_reporting(E_ALL);
+
+require_once("../../config/dmsDefaults.php");
+require_once(KT_LIB_DIR . '/config/config.inc.php');
+
+$KTConfig = new KTConfig;
+$KTConfig->loadFile("expand.ini");
+$aExpectedRet = "bb";
+$aRet = $KTConfig->get("expand/b");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+
+$aExpectedRet = "kt@mail.example.org";
+$aRet = $KTConfig->get("mail/emailFrom");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+
+$aExpectedRet = "zxcvasdfzxcvrewqzxcvasdf";
+$aRet = $KTConfig->get("multi/c");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+
+?>
diff --git a/tests/config/testMulti.php b/tests/config/testMulti.php
new file mode 100644
index 0000000..a7c6c9d
--- /dev/null
+++ b/tests/config/testMulti.php
@@ -0,0 +1,46 @@
+<?php
+
+error_reporting(E_ALL);
+
+require_once("../../config/dmsDefaults.php");
+require_once(KT_LIB_DIR . '/config/config.inc.php');
+
+$KTConfig = new KTConfig;
+$KTConfig->loadFile("foo.ini");
+$KTConfig->loadFile("bar.ini");
+$aExpectedRet = "foo";
+$aRet = $KTConfig->get("bar");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+$aRet = $KTConfig->get("bar/bar");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+$aRet = $KTConfig->get("bar/asdf");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+$aExpectedRet = "asdf";
+$aRet = $KTConfig->get("asdf/asdf");
+if ($aRet === $aExpectedRet) {
+    print "Success!\n";
+} else {
+    print "Failure!\n";
+    print "Expected: " . print_r($aExpectedRet, true) . "\n";
+    print "Got: " . print_r($aRet, true) . "\n";
+}
+
+?>