diff --git a/unittest/commands/test_variables.cpp b/unittest/commands/test_variables.cpp
index 35bab69c7d..29b985927d 100644
--- a/unittest/commands/test_variables.cpp
+++ b/unittest/commands/test_variables.cpp
@@ -403,11 +403,36 @@ TEST_F(VariableTest, IfCommand)
     text = END_CAPTURE_OUTPUT();
     ASSERT_THAT(text, ContainsRegex(".*nope\?.*"));
 
+    BEGIN_CAPTURE_OUTPUT();
+    command("if 0<1 then 'print \"bingo!\"'");
+    text = END_CAPTURE_OUTPUT();
+    ASSERT_THAT(text, ContainsRegex(".*bingo!.*"));
+
+    BEGIN_CAPTURE_OUTPUT();
+    command("if 2<1 then 'print \"bingo!\"' else 'print \"nope?\"'");
+    text = END_CAPTURE_OUTPUT();
+    ASSERT_THAT(text, ContainsRegex(".*nope\?.*"));
+
     BEGIN_CAPTURE_OUTPUT();
     command("if (1<=0) then 'print \"bingo!\"' else 'print \"nope?\"'");
     text = END_CAPTURE_OUTPUT();
     ASSERT_THAT(text, ContainsRegex(".*nope\?.*"));
 
+    BEGIN_CAPTURE_OUTPUT();
+    command("if (0<=0) then 'print \"bingo!\"' else 'print \"nope?\"'");
+    text = END_CAPTURE_OUTPUT();
+    ASSERT_THAT(text, ContainsRegex(".*bingo!.*"));
+
+    BEGIN_CAPTURE_OUTPUT();
+    command("if (0>=1) then 'print \"bingo!\"' else 'print \"nope?\"'");
+    text = END_CAPTURE_OUTPUT();
+    ASSERT_THAT(text, ContainsRegex(".*nope\?.*"));
+
+    BEGIN_CAPTURE_OUTPUT();
+    command("if (1>=1) then 'print \"bingo!\"' else 'print \"nope?\"'");
+    text = END_CAPTURE_OUTPUT();
+    ASSERT_THAT(text, ContainsRegex(".*bingo!.*"));
+
     BEGIN_CAPTURE_OUTPUT();
     command("if (-1.0e-1<0.0E+0)|^(1<0) then 'print \"bingo!\"'");
     text = END_CAPTURE_OUTPUT();