diff --git a/code/common/model/src/test/java/nu/marginalia/model/WordMetadataTest.java b/code/common/model/src/test/java/nu/marginalia/model/WordMetadataTest.java
index d99aad77..79258915 100644
--- a/code/common/model/src/test/java/nu/marginalia/model/WordMetadataTest.java
+++ b/code/common/model/src/test/java/nu/marginalia/model/WordMetadataTest.java
@@ -1,5 +1,6 @@
 package nu.marginalia.model;
 
+import nu.marginalia.bbpc.BrailleBlockPunchCards;
 import nu.marginalia.model.idx.WordFlags;
 import nu.marginalia.model.idx.WordMetadata;
 import org.junit.jupiter.api.Test;
@@ -16,12 +17,22 @@ class WordMetadataTest {
         verifyCodec("Position 32bit", new WordMetadata(0xff0f0000L,  EnumSet.allOf(WordFlags.class)));
         verifyCodec("Position all", new WordMetadata(0xffff_ff0f_0000L,  EnumSet.allOf(WordFlags.class)));
         verifyCodec("No flags", new WordMetadata( 0xff0f0000L, EnumSet.noneOf(WordFlags.class)));
+        verifyCodec("No flags, some bits", new WordMetadata(0x7f7f7f7f7f7f7fL, EnumSet.noneOf(WordFlags.class)));
+        verifyCodec("No flags, all bits", new WordMetadata( 0xffffffffffffffL, EnumSet.noneOf(WordFlags.class)));
+        verifyCodec("All flags, all bits", new WordMetadata( 0xffffffffffffffL, EnumSet.allOf(WordFlags.class)));
         System.out.println(new WordMetadata(0x7f0f0005L, EnumSet.allOf(WordFlags.class)));
         System.out.println(new WordMetadata(0xff0f0013L,  EnumSet.noneOf(WordFlags.class)));
         System.out.println(new WordMetadata(0xf0f000ff0f0013L,  EnumSet.allOf(WordFlags.class)));
+        System.out.println(new WordMetadata(0xf0f000ff0f0013L,  (byte)-1));
+        System.out.println(new WordMetadata(0xffffffffffffffL,  (byte)0));
+        System.out.println(BrailleBlockPunchCards.printBits(new WordMetadata(~0L, (byte) 0).encode(), 64));
+        System.out.println(BrailleBlockPunchCards.printBits(new WordMetadata(0, (byte) 0xff).encode(), 64));
+        System.out.println(BrailleBlockPunchCards.printBits(131973L, 64));
+        System.out.println(new WordMetadata(131973L));
     }
 
     public void verifyCodec(String message, WordMetadata data) {
+        System.out.println(BrailleBlockPunchCards.printBits(data.encode(), 64));
         assertEquals(data, new WordMetadata(data.encode()), message);
     }