Display float/double values in an appropriate format

xerial · xerial · commit fa1c85056748 · 2014-11-14T17:41:31.000+09:00
diff --git a/msgpack-core/src/main/java/org/msgpack/value/holder/FloatHolder.java b/msgpack-core/src/main/java/org/msgpack/value/holder/FloatHolder.java
@@ -165,7 +165,14 @@ public int hashCode() {
 
     @Override
     public String toString() {
-        return Double.toString(value);
+        switch(tpe) {
+            case FLOAT:
+                return Float.toString((float) value);
+            case DOUBLE:
+                return Double.toString(value);
+            default:
+                throw new IllegalStateException("cannto reach here");
+        }
     }
 
 
diff --git a/msgpack-core/src/test/scala/org/msgpack/value/holder/FloatHolderTest.scala b/msgpack-core/src/test/scala/org/msgpack/value/holder/FloatHolderTest.scala
@@ -0,0 +1,26 @@
+package org.msgpack.value.holder
+
+import org.msgpack.core.MessagePackSpec
+
+/**
+ *
+ */
+class FloatHolderTest extends MessagePackSpec {
+
+  "FloatHolder" should {
+
+    "display value in an appropriate format" in {
+
+      val h = new FloatHolder
+      val f = 0.1341f
+      h.setFloat(f)
+      h.toString shouldBe java.lang.Float.toString(f)
+
+      val d = 0.1341341344
+      h.setDouble(d)
+      h.toString shouldBe java.lang.Double.toString(d)
+    }
+
+  }
+
+}
