From dfa0eead31a33a12a662bb4d1c56513bf1cb5680 Mon Sep 17 00:00:00 2001
From: wusheng <wu.sheng@foxmail.com>
Date: Thu, 16 Mar 2017 20:22:24 +0800
Subject: [PATCH] Add tags test case.

---
 .../a/eye/skywalking/trace/tag/TagsTest.java  | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/tag/TagsTest.java

diff --git a/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/tag/TagsTest.java b/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/tag/TagsTest.java
new file mode 100644
index 000000000..3bb2b4d55
--- /dev/null
+++ b/skywalking-commons/skywalking-trace/src/test/java/com/a/eye/skywalking/trace/tag/TagsTest.java
@@ -0,0 +1,54 @@
+package com.a.eye.skywalking.trace.tag;
+
+import com.a.eye.skywalking.trace.Span;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * @author wusheng
+ */
+public class TagsTest {
+    @Test
+    public void testLayer(){
+        Span span = new Span(1, "/test");
+        Tags.SPAN_LAYER.asDB(span);
+        Assert.assertEquals("db", span.getTag("span.layer"));
+
+        Tags.SPAN_LAYER.asRPCFramework(span);
+        Assert.assertEquals("rpc", span.getTag("span.layer"));
+
+        Tags.SPAN_LAYER.asHttp(span);
+        Assert.assertEquals("http", span.getTag("span.layer"));
+    }
+
+    @Test
+    public void testBooleanTag(){
+        BooleanTag tag = new BooleanTag("test.key", false);
+        Span span = new Span(1, "/test");
+        Assert.assertFalse(tag.get(span));
+
+        tag.set(span, true);
+        Assert.assertTrue(tag.get(span));
+    }
+
+    @Test
+    public void testIntTag(){
+        IntTag tag = new IntTag("test.key");
+        Span span = new Span(1, "/test");
+        Assert.assertNull(tag.get(span));
+
+        tag.set(span, 123);
+        Assert.assertEquals(123, tag.get(span).intValue());
+    }
+
+    @Test
+    public void testShortTag(){
+        ShortTag tag = new ShortTag("test.key");
+        Span span = new Span(1, "/test");
+        Assert.assertNull(tag.get(span));
+
+        short value = 123;
+        tag.set(span, value);
+        Assert.assertEquals(value, tag.get(span).intValue());
+    }
+}