From dd83ef7b96f48e15376b0dd5f440c9a2a82d2b98 Mon Sep 17 00:00:00 2001
From: Enrique Zamudio <alterbass@gmail.com>
Date: Thu, 26 Mar 2015 11:55:07 -0600
Subject: [PATCH] tests for #38

---
 .../solab/iso8583/parse/TestEmptyLvars.java   | 97 +++++++++++++++++++
 src/test/resources/issue38.xml                | 10 ++
 2 files changed, 107 insertions(+)
 create mode 100644 src/test/java/com/solab/iso8583/parse/TestEmptyLvars.java
 create mode 100644 src/test/resources/issue38.xml

diff --git a/src/test/java/com/solab/iso8583/parse/TestEmptyLvars.java b/src/test/java/com/solab/iso8583/parse/TestEmptyLvars.java
new file mode 100644
index 0000000..d2bb4d2
--- /dev/null
+++ b/src/test/java/com/solab/iso8583/parse/TestEmptyLvars.java
@@ -0,0 +1,97 @@
+package com.solab.iso8583.parse;
+
+import com.solab.iso8583.IsoType;
+import com.solab.iso8583.MessageFactory;
+import com.solab.iso8583.IsoMessage;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.text.ParseException;
+
+/**
+ * Issue 38.
+ *
+ * @author Enrique Zamudio
+ *         Date: 26/03/15 10:54
+ */
+public class TestEmptyLvars {
+
+    private static MessageFactory<IsoMessage> txtfact = new MessageFactory<>();
+    private static MessageFactory<IsoMessage> binfact = new MessageFactory<>();
+    @BeforeClass
+    public static void setupSpec() throws IOException {
+        txtfact.setConfigPath("issue38.xml");
+        binfact.setUseBinaryMessages(true);
+        binfact.setConfigPath("issue38.xml");
+    }
+
+    private void checkString(byte[] txt, byte[] bin, int field)
+            throws IOException, ParseException {
+        IsoMessage t = txtfact.parseMessage(txt, 0);
+        IsoMessage b = binfact.parseMessage(bin, 0);
+        Assert.assertTrue(t.hasField(field));
+        Assert.assertTrue(b.hasField(field));
+        Assert.assertTrue(((String) t.getObjectValue(field)).isEmpty());
+        Assert.assertTrue(((String) b.getObjectValue(field)).isEmpty());
+    }
+    private void checkBin(byte[] txt, byte[] bin, int field)
+            throws IOException, ParseException {
+        IsoMessage t = txtfact.parseMessage(txt, 0);
+        IsoMessage b = binfact.parseMessage(bin, 0);
+        Assert.assertTrue(t.hasField(field));
+        Assert.assertTrue(b.hasField(field));
+        Assert.assertEquals(0, ((byte[]) t.getObjectValue(field)).length);
+        Assert.assertEquals(0, ((byte[]) b.getObjectValue(field)).length);
+    }
+    @Test
+    public void testEmptyLLVAR() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(2, "", IsoType.LLVAR, 0);
+        b.setValue(2, "", IsoType.LLVAR, 0);
+        checkString(t.writeData(), b.writeData(), 2);
+    }
+    @Test
+    public void testEmptyLLLVAR() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(3, "", IsoType.LLLVAR, 0);
+        b.setValue(3, "", IsoType.LLLVAR, 0);
+        checkString(t.writeData(), b.writeData(), 3);
+    }
+    @Test
+    public void testEmptyLLLLVAR() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(4, "", IsoType.LLLLVAR, 0);
+        b.setValue(4, "", IsoType.LLLLVAR, 0);
+        checkString(t.writeData(), b.writeData(), 4);
+    }
+    @Test
+    public void testEmptyLLBIN() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(5, new byte[0], IsoType.LLBIN, 0);
+        b.setValue(5, new byte[0], IsoType.LLBIN, 0);
+        checkBin(t.writeData(), b.writeData(), 5);
+    }
+    @Test
+    public void testEmptyLLLBIN() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(6, new byte[0], IsoType.LLLBIN, 0);
+        b.setValue(6, new byte[0], IsoType.LLLBIN, 0);
+        checkBin(t.writeData(), b.writeData(), 6);
+    }
+    @Test
+    public void testEmptyLLLLBIN() throws Exception {
+        IsoMessage t = txtfact.newMessage(0x100);
+        IsoMessage b = binfact.newMessage(0x100);
+        t.setValue(7, new byte[0], IsoType.LLLLBIN, 0);
+        b.setValue(7, new byte[0], IsoType.LLLLBIN, 0);
+        checkBin(t.writeData(), b.writeData(), 7);
+    }
+
+}
diff --git a/src/test/resources/issue38.xml b/src/test/resources/issue38.xml
new file mode 100644
index 0000000..1ce7e2e
--- /dev/null
+++ b/src/test/resources/issue38.xml
@@ -0,0 +1,10 @@
+<j8583-config>
+    <parse type="0100">
+        <field num="2" type="LLVAR" />
+        <field num="3" type="LLLVAR" />
+        <field num="4" type="LLLLVAR" />
+        <field num="5" type="LLBIN" />
+        <field num="6" type="LLLBIN" />
+        <field num="7" type="LLLLBIN" />
+    </parse>
+</j8583-config>