diff --git a/tests/test_vercmp.sh b/tests/test_vercmp.sh
new file mode 100755
index 0000000..c88bf86
--- /dev/null
+++ b/tests/test_vercmp.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+# Tests for DevStack vercmp functionality
+
+TOP=$(cd $(dirname "$0")/.. && pwd)
+
+# Import common functions
+source $TOP/functions
+source $TOP/tests/unittest.sh
+
+assert_true "numeric gt"  vercmp 2.0 ">" 1.0
+assert_true "numeric gte" vercmp 2.0 ">=" 1.0
+assert_true "numeric gt"  vercmp 1.0.1 ">" 1.0
+assert_true "numeric gte" vercmp 1.0.1 ">=" 1.0
+assert_true "alpha gt"    vercmp 1.0.1b ">" 1.0.1a
+assert_true "alpha gte"   vercmp 1.0.1b ">=" 1.0.1a
+assert_true "alpha gt"    vercmp b ">" a
+assert_true "alpha gte"   vercmp b ">=" a
+assert_true "alpha gt"    vercmp 2.0-rc3 ">" 2.0-rc1
+assert_true "alpha gte"   vercmp 2.0-rc3 ">=" 2.0-rc1
+
+assert_false "numeric gt fail"  vercmp 1.0 ">" 1.0
+assert_true  "numeric gte"      vercmp 1.0 ">=" 1.0
+assert_false "numeric gt fail"  vercmp 0.9 ">" 1.0
+assert_false "numeric gte fail" vercmp 0.9 ">=" 1.0
+assert_false "numeric gt fail"  vercmp 0.9.9 ">" 1.0
+assert_false "numeric gte fail" vercmp 0.9.9 ">=" 1.0
+assert_false "numeric gt fail"  vercmp 0.9a.9 ">" 1.0.1
+assert_false "numeric gte fail" vercmp 0.9a.9 ">=" 1.0.1
+
+assert_false "numeric lt"  vercmp 1.0 "<" 1.0
+assert_true  "numeric lte" vercmp 1.0 "<=" 1.0
+assert_true "numeric lt"   vercmp 1.0 "<" 1.0.1
+assert_true "numeric lte"  vercmp 1.0 "<=" 1.0.1
+assert_true "alpha lt"     vercmp 1.0.1a "<" 1.0.1b
+assert_true "alpha lte"    vercmp 1.0.1a "<=" 1.0.1b
+assert_true "alpha lt"     vercmp a "<" b
+assert_true "alpha lte"    vercmp a "<=" b
+assert_true "alpha lt"     vercmp 2.0-rc1 "<" 2.0-rc3
+assert_true "alpha lte"    vercmp 2.0-rc1 "<=" 2.0-rc3
+
+assert_true "eq"       vercmp 1.0 "==" 1.0
+assert_true "eq"       vercmp 1.0.1 "==" 1.0.1
+assert_false "eq fail" vercmp 1.0.1 "==" 1.0.2
+assert_false "eq fail" vercmp 2.0-rc1 "==" 2.0-rc2
+
+report_results
diff --git a/tests/unittest.sh b/tests/unittest.sh
index 2570319..6c697d7 100644
--- a/tests/unittest.sh
+++ b/tests/unittest.sh
@@ -92,6 +92,51 @@
     fi
 }
 
+# assert the arguments evaluate to true
+#  assert_true "message" arg1 arg2
+function assert_true {
+    local lineno
+    lineno=`caller 0 | awk '{print $1}'`
+    local function
+    function=`caller 0 | awk '{print $2}'`
+    local msg=$1
+    shift
+
+    $@
+    if [ $? -eq 0 ]; then
+        PASS=$((PASS+1))
+        echo "PASS: $function:L$lineno - $msg"
+    else
+        FAILED_FUNCS+="$function:L$lineno\n"
+        echo "ERROR: test failed in $function:L$lineno!"
+        echo "  $msg"
+        ERROR=$((ERROR+1))
+    fi
+}
+
+# assert the arguments evaluate to false
+#  assert_false "message" arg1 arg2
+function assert_false {
+    local lineno
+    lineno=`caller 0 | awk '{print $1}'`
+    local function
+    function=`caller 0 | awk '{print $2}'`
+    local msg=$1
+    shift
+
+    $@
+    if [ $? -eq 0 ]; then
+        FAILED_FUNCS+="$function:L$lineno\n"
+        echo "ERROR: test failed in $function:L$lineno!"
+        echo "  $msg"
+        ERROR=$((ERROR+1))
+    else
+        PASS=$((PASS+1))
+        echo "PASS: $function:L$lineno - $msg"
+    fi
+}
+
+
 # Print a summary of passing and failing tests and exit
 # (with an error if we have failed tests)
 #  usage: report_results