juneau-core/juneau-core-utest/src/test/java/org/apache/juneau/svl/vars/LenVarTest.java

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package org.apache.juneau.svl.vars;

import static org.junit.Assert.*;

import org.apache.juneau.svl.*;
import org.junit.*;

public class LenVarTest {

	//====================================================================================================
	// test - Basic tests
	//====================================================================================================
	@Test
	public void test() throws Exception {
		VarResolver vr = new VarResolverBuilder().vars(LenVar.class, SystemPropertiesVar.class).build();

		System.setProperty("LenVarTest.test", "foo bar");
		System.setProperty("LenVarTest.test2", "1.2.3.4.5");

		// $LN{stringArg} examples
		assertEquals("1", vr.resolve("$LN{J}"));
		assertEquals("len=7", vr.resolve("len=$LN{$S{LenVarTest.test}}"));
		
		// $LN{stringArg, delimiter} examples
		assertEquals("5", vr.resolve("$LN{$S{LenVarTest.test2},.}"));

		
	}
}