diff --git a/tests/sentinel/tests/06-ckquorum.tcl b/tests/sentinel/tests/06-ckquorum.tcl
new file mode 100644
index 000000000..31e5fa2f8
--- /dev/null
+++ b/tests/sentinel/tests/06-ckquorum.tcl
@@ -0,0 +1,34 @@
+# Test for the SENTINEL CKQUORUM command
+
+source "../tests/includes/init-tests.tcl"
+set num_sentinels [llength $::sentinel_instances]
+
+test "CKQUORUM reports OK and the right amount of Sentinels" {
+    foreach_sentinel_id id {
+        assert_match "*OK $num_sentinels usable*" [S $id SENTINEL CKQUORUM mymaster]
+    }
+}
+
+test "CKQUORUM detects quorum cannot be reached" {
+    set orig_quorum [expr {$num_sentinels/2+1}]
+    S 0 SENTINEL SET mymaster quorum [expr {$num_sentinels+1}]
+    catch {[S 0 SENTINEL CKQUORUM mymaster]} err
+    assert_match "*NOQUORUM*" $err
+    S 0 SENTINEL SET mymaster quorum $orig_quorum
+}
+
+test "CKQUORUM detects failover authorization cannot be reached" {
+    set orig_quorum [expr {$num_sentinels/2+1}]
+    S 0 SENTINEL SET mymaster quorum 1
+    kill_instance sentinel 1
+    kill_instance sentinel 2
+    kill_instance sentinel 3
+    after 5000
+    catch {[S 0 SENTINEL CKQUORUM mymaster]} err
+    assert_match "*NOQUORUM*" $err
+    S 0 SENTINEL SET mymaster quorum $orig_quorum
+    restart_instance sentinel 1
+    restart_instance sentinel 2
+    restart_instance sentinel 3
+}
+