diff --git a/src/tests/meta/MetaResourceVariableTest.java b/src/tests/meta/MetaResourceVariableTest.java
index 6eef567..2afdb18 100644
--- a/src/tests/meta/MetaResourceVariableTest.java
+++ b/src/tests/meta/MetaResourceVariableTest.java
@@ -14,6 +14,7 @@
 import models.meta.MetaEvaluatableTermVariable;
 import models.meta.MetaRDLTermVariable;
 import models.meta.MetaResourceVariable;
+import models.meta.OrderConstraint;
 
 public class MetaResourceVariableTest {
 
@@ -47,4 +48,80 @@
 		assertFalse(x.isMatchedBy(depTerm));
 	}
 	
+	@Test
+	void MetaResourceVariableMathcingWithConstantOrderEQ() {
+		ResourceVariable a = new ResourceVariable("a", INT, 1);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), parse("0"));
+		MetaResourceVariable y = new MetaResourceVariable(new Variable("y"), parse("1"));
+		//a(1) does not match x(=0)
+		assertFalse(x.isMatchedBy(a));
+		//a(1) matches y(=1)
+		assertTrue(y.isMatchedBy(a));
+	}
+	
+	@Test
+	void MetaResourceVariableMathcingWithConstantOrderLT() {
+		ResourceVariable a = new ResourceVariable("a", INT, 1);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), OrderConstraint.LT, parse("0"));
+		MetaResourceVariable y = new MetaResourceVariable(new Variable("y"), OrderConstraint.LT, parse("1"));
+		MetaResourceVariable z = new MetaResourceVariable(new Variable("z"), OrderConstraint.LT, parse("2"));
+		//a(1) does not match x(<0)
+		assertFalse(x.isMatchedBy(a));
+		//a(1) matches y(<1)
+		assertFalse(y.isMatchedBy(a));
+		//a(1) matches z(<2)
+		assertTrue(z.isMatchedBy(a));
+	}
+	
+	@Test
+	void MetaResourceVariableMathcingWithConstantOrderLE() {
+		ResourceVariable a = new ResourceVariable("a", INT, 1);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), OrderConstraint.LE, parse("0"));
+		MetaResourceVariable y = new MetaResourceVariable(new Variable("y"), OrderConstraint.LE, parse("1"));
+		MetaResourceVariable z = new MetaResourceVariable(new Variable("z"), OrderConstraint.LE, parse("2"));
+		//a(1) does not match x(<=0)
+		assertFalse(x.isMatchedBy(a));
+		//a(1) matches y(<=1)
+		assertTrue(y.isMatchedBy(a));
+		//a(1) matches z(<=2)
+		assertTrue(z.isMatchedBy(a));
+	}
+	
+	@Test
+	void MetaResourceVariableMathcingWithConstantOrderGT() {
+		ResourceVariable a = new ResourceVariable("a", INT, 1);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), OrderConstraint.GT, parse("0"));
+		MetaResourceVariable y = new MetaResourceVariable(new Variable("y"), OrderConstraint.GT, parse("1"));
+		MetaResourceVariable z = new MetaResourceVariable(new Variable("z"), OrderConstraint.GT, parse("2"));
+		//a(1) does not match x(>0)
+		assertTrue(x.isMatchedBy(a));
+		//a(1) matches y(>1)
+		assertFalse(y.isMatchedBy(a));
+		//a(1) matches z(>2)
+		assertFalse(z.isMatchedBy(a));
+	}
+	
+	@Test
+	void MetaResourceVariableMathcingWithConstantOrderGE() {
+		ResourceVariable a = new ResourceVariable("a", INT, 1);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), OrderConstraint.GE, parse("0"));
+		MetaResourceVariable y = new MetaResourceVariable(new Variable("y"), OrderConstraint.GE, parse("1"));
+		MetaResourceVariable z = new MetaResourceVariable(new Variable("z"), OrderConstraint.GE, parse("2"));
+		//a(1) does not match x(>=0)
+		assertTrue(x.isMatchedBy(a));
+		//a(1) matches y(>=1)
+		assertTrue(y.isMatchedBy(a));
+		//a(1) matches z(>2)
+		assertFalse(z.isMatchedBy(a));
+	}
+	
+	@Test
+	void MetaResourceVariableMathcingWithEqOrder() {
+		ResourceVariable a = new ResourceVariable("a", INT, 0);
+		MetaResourceVariable x = new MetaResourceVariable(new Variable("x"), parse("x"));
+		
+		//a(0) matches x(x)
+		assertTrue(x.isMatchedBy(a));
+	}
+	
 }