diff --git a/src/libCom/test/epicsStringTest.c b/src/libCom/test/epicsStringTest.c
index e9dea2fb2..d7a91bcfd 100644
--- a/src/libCom/test/epicsStringTest.c
+++ b/src/libCom/test/epicsStringTest.c
@@ -19,6 +19,7 @@
 #include "epicsString.h"
 #include "testMain.h"
 
+static
 void testChars(void) {
     int i;
     char input[2] = {0, 0};
@@ -38,6 +39,41 @@ void testChars(void) {
     }
 }
 
+static
+void testGlob(void) {
+    testOk1(epicsStrGlobMatch("xyz","xyz"));
+    testOk1(!epicsStrGlobMatch("xyz","xyzm"));
+    testOk1(!epicsStrGlobMatch("xyzm","xyz"));
+    testOk1(!epicsStrGlobMatch("","xyzm"));
+    testOk1(!epicsStrGlobMatch("xyz",""));
+    testOk1(epicsStrGlobMatch("",""));
+
+    testOk1(epicsStrGlobMatch("","*"));
+    testOk1(!epicsStrGlobMatch("","?"));
+    testOk1(!epicsStrGlobMatch("","?*"));
+
+    testOk1(epicsStrGlobMatch("hello","h*o"));
+    testOk1(!epicsStrGlobMatch("hello","h*x"));
+    testOk1(!epicsStrGlobMatch("hellx","h*o"));
+
+    testOk1(epicsStrGlobMatch("hello","he?lo"));
+    testOk1(!epicsStrGlobMatch("hello","he?xo"));
+    testOk1(epicsStrGlobMatch("hello","he??o"));
+    testOk1(!epicsStrGlobMatch("helllo","he?lo"));
+
+    testOk1(epicsStrGlobMatch("hello world","he*o w*d"));
+    testOk1(!epicsStrGlobMatch("hello_world","he*o w*d"));
+    testOk1(epicsStrGlobMatch("hello world","he**d"));
+
+    testOk1(epicsStrGlobMatch("hello hello world","he*o w*d"));
+
+    testOk1(!epicsStrGlobMatch("hello hello xorld","he*o w*d"));
+
+    testOk1(epicsStrGlobMatch("hello","he*"));
+    testOk1(epicsStrGlobMatch("hello","*lo"));
+    testOk1(epicsStrGlobMatch("hello","*"));
+}
+
 MAIN(epicsStringTest)
 {
     const char * const empty = "";
@@ -50,7 +86,7 @@ MAIN(epicsStringTest)
     const char * const abcde = "abcde";
     char *s;
 
-    testPlan(281);
+    testPlan(305);
 
     testChars();
 
@@ -85,5 +121,7 @@ MAIN(epicsStringTest)
     testOk1(epicsStrHash(abcd, 0) == epicsMemHash(abcde, 4, 0));
     testOk1(epicsStrHash(abcd, 0) != epicsMemHash("abcd\0", 5, 0));
 
+    testGlob();
+
     return testDone();
 }