Add unit tests for constructors from util classes

6 files changed, 18 insertions, 3 deletions

diff --git a/gson/src/main/java/com/google/gson/internal/$Gson$Preconditions.java b/gson/src/main/java/com/google/gson/internal/$Gson$Preconditions.java
index ccc0390d..f0e7d3fa 100644
--- a/gson/src/main/java/com/google/gson/internal/$Gson$Preconditions.java
+++ b/gson/src/main/java/com/google/gson/internal/$Gson$Preconditions.java
@@ -30,6 +30,10 @@ package com.google.gson.internal;
  * @author Joel Leitch

  */

 public final class $Gson$Preconditions {

+  private $Gson$Preconditions() {

+    throw new UnsupportedOperationException();

+  }

+

   public static <T> T checkNotNull(T obj) {

     if (obj == null) {

       throw new NullPointerException();

diff --git a/gson/src/main/java/com/google/gson/internal/$Gson$Types.java b/gson/src/main/java/com/google/gson/internal/$Gson$Types.java
index 9365be74..745d0719 100644
--- a/gson/src/main/java/com/google/gson/internal/$Gson$Types.java
+++ b/gson/src/main/java/com/google/gson/internal/$Gson$Types.java
@@ -43,7 +43,9 @@ import java.util.Properties;
 public final class $Gson$Types {
   static final Type[] EMPTY_TYPE_ARRAY = new Type[] {};
 
-  private $Gson$Types() {}
+  private $Gson$Types() {
+    throw new UnsupportedOperationException();
+  }
 
   /**
    * Returns a new parameterized type, applying {@code typeArguments} to
diff --git a/gson/src/main/java/com/google/gson/internal/Primitives.java b/gson/src/main/java/com/google/gson/internal/Primitives.java
index b797139b..a98f6242 100644
--- a/gson/src/main/java/com/google/gson/internal/Primitives.java
+++ b/gson/src/main/java/com/google/gson/internal/Primitives.java
@@ -29,7 +29,9 @@ import java.util.Map;
  * @author Kevin Bourrillion
  */
 public final class Primitives {
-  private Primitives() {}
+  private Primitives() {
+    throw new UnsupportedOperationException();
+  }
 
   /** A map from primitive types to their corresponding wrapper types. */
   private static final Map<Class<?>, Class<?>> PRIMITIVE_TO_WRAPPER_TYPE;
diff --git a/gson/src/main/java/com/google/gson/internal/Streams.java b/gson/src/main/java/com/google/gson/internal/Streams.java
index 9c29f2a4..7f00f11d 100644
--- a/gson/src/main/java/com/google/gson/internal/Streams.java
+++ b/gson/src/main/java/com/google/gson/internal/Streams.java
@@ -33,6 +33,10 @@ import java.io.Writer;
  * Reads and writes GSON parse trees over streams.
  */
 public final class Streams {
+  private Streams() {
+    throw new UnsupportedOperationException();
+  }
+
   /**
    * Takes a reader in any state and returns the next value as a JsonElement.
    */
diff --git a/gson/src/main/java/com/google/gson/internal/bind/TypeAdapters.java b/gson/src/main/java/com/google/gson/internal/bind/TypeAdapters.java
index 87f8c05e..a8465fcb 100644
--- a/gson/src/main/java/com/google/gson/internal/bind/TypeAdapters.java
+++ b/gson/src/main/java/com/google/gson/internal/bind/TypeAdapters.java
@@ -55,7 +55,9 @@ import com.google.gson.stream.JsonWriter;
  * Type adapters for basic types.
  */
 public final class TypeAdapters {
-  private TypeAdapters() {}
+  private TypeAdapters() {
+    throw new UnsupportedOperationException();
+  }
 
   @SuppressWarnings("rawtypes")
   public static final TypeAdapter<Class> CLASS = new TypeAdapter<Class>() {
diff --git a/gson/src/test/java/com/google/gson/common/MoreAsserts.java b/gson/src/test/java/com/google/gson/common/MoreAsserts.java
index 93e32dec..5e05832a 100644
--- a/gson/src/test/java/com/google/gson/common/MoreAsserts.java
+++ b/gson/src/test/java/com/google/gson/common/MoreAsserts.java
@@ -69,4 +69,5 @@ public class MoreAsserts {
     Assert.assertFalse(a.equals(null));
     Assert.assertFalse(a.equals(new Object()));
   }
+
 }