1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/java/org/traccar/helper/PatternBuilderTest.java b/src/test/java/org/traccar/helper/PatternBuilderTest.java
new file mode 100644
index 000000000..4c76bc463
--- /dev/null
+++ b/src/test/java/org/traccar/helper/PatternBuilderTest.java
@@ -0,0 +1,20 @@
+package org.traccar.helper;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class PatternBuilderTest {
+    
+    @Test
+    public void testPatternBuilder() {
+        assertEquals("\\$GPRMC", new PatternBuilder().text("$GPRMC").toString());
+        assertEquals("(\\d{2}\\.[0-9a-fA-F]+)", new PatternBuilder().number("(dd.x+)").toString());
+        assertEquals("a(?:bc)?", new PatternBuilder().text("a").text("b").text("c").optional(2).toString());
+        assertEquals("a|b", new PatternBuilder().expression("a|b").toString());
+        assertEquals("ab\\|", new PatternBuilder().expression("ab|").toString());
+        assertEquals("|", new PatternBuilder().or().toString());
+        assertEquals("\\|\\d|\\d\\|", new PatternBuilder().number("|d|d|").toString());
+    }
+
+}