1 files changed, 39 insertions, 1 deletions
diff --git a/robolectric/src/test/java/org/robolectric/shadows/ResourceHelperTest.java b/robolectric/src/test/java/org/robolectric/shadows/ResourceHelperTest.java
index 9edaac17a..66762daca 100644
--- a/robolectric/src/test/java/org/robolectric/shadows/ResourceHelperTest.java
+++ b/robolectric/src/test/java/org/robolectric/shadows/ResourceHelperTest.java
@@ -10,10 +10,10 @@ import org.robolectric.annotation.Config;
 
 /** Unit tests for {@link ResourceHelper}. */
 @RunWith(AndroidJUnit4.class)
+@Config(sdk = Config.NEWEST_SDK)
 public class ResourceHelperTest {
 
   @Test
-  @Config(sdk = Config.NEWEST_SDK)
   public void parseFloatAttribute() {
     TypedValue out = new TypedValue();
     ResourceHelper.parseFloatAttribute(null, "0.16", out, false);
@@ -23,4 +23,42 @@ public class ResourceHelperTest {
     ResourceHelper.parseFloatAttribute(null, ".16", out, false);
     assertThat(out.getFloat()).isEqualTo(0.16f);
   }
+
+  @Test
+  public void parseFloatAttribute_lengthEquals1000_parseSucceed() {
+    TypedValue out = new TypedValue();
+    boolean parseResult =
+        ResourceHelper.parseFloatAttribute(
+            null, generateTestFloatAttribute("0.16", 1000), out, false);
+    assertThat(parseResult).isTrue();
+    assertThat(out.getFloat()).isEqualTo(0.16f);
+  }
+
+  @Test
+  public void parseFloatAttribute_lengthLargerThan1000_returnsFalse() {
+    TypedValue out = new TypedValue();
+    boolean parseResult =
+        ResourceHelper.parseFloatAttribute(
+            null, generateTestFloatAttribute("0.17", 1001), out, false);
+    assertThat(parseResult).isFalse();
+  }
+
+  @Test
+  public void parseFloatAttribute_lengthLessThan1000_parseSucceed() {
+    TypedValue out = new TypedValue();
+    boolean parseResult =
+        ResourceHelper.parseFloatAttribute(
+            null, generateTestFloatAttribute("0.18", 999), out, false);
+    assertThat(parseResult).isTrue();
+    assertThat(out.getFloat()).isEqualTo(0.18f);
+  }
+
+  private static String generateTestFloatAttribute(String prefixAttribute, int length) {
+    StringBuilder builder = new StringBuilder(prefixAttribute);
+    int usedLength = builder.length();
+    for (int i = 0; i < length - usedLength; i++) {
+      builder.append("0");
+    }
+    return builder.toString();
+  }
 }