Remove value assumptions on checksums.

Requesting the checksum value is sufficient to ensure that it can
be computed.

Change-Id: If326e88fe8174c71053d5c218202acce5d2be918
diff --git a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryChecksumsTest.java b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryChecksumsTest.java
index 42df609..6aff20f 100644
--- a/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryChecksumsTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/desugaredlibrary/DesugaredLibraryChecksumsTest.java
@@ -3,8 +3,6 @@
 // BSD-style license that can be found in the LICENSE file.
 package com.android.tools.r8.desugar.desugaredlibrary;
 
-import static org.junit.Assert.assertTrue;
-
 import com.android.tools.r8.CompilationMode;
 import com.android.tools.r8.L8;
 import com.android.tools.r8.L8Command;
@@ -51,7 +49,7 @@
             .build());
     CodeInspector inspector = new CodeInspector(out);
     for (FoundClassSubject clazz : inspector.allClasses()) {
-      assertTrue(clazz.getDexProgramClass().getChecksum() != 0);
+      clazz.getDexProgramClass().getChecksum();
     }
   }
 }
diff --git a/src/test/java/com/android/tools/r8/dexfilemerger/NonAsciiClassNameChecksumTest.java b/src/test/java/com/android/tools/r8/dexfilemerger/NonAsciiClassNameChecksumTest.java
index b91a645..351a74e 100644
--- a/src/test/java/com/android/tools/r8/dexfilemerger/NonAsciiClassNameChecksumTest.java
+++ b/src/test/java/com/android/tools/r8/dexfilemerger/NonAsciiClassNameChecksumTest.java
@@ -5,7 +5,6 @@
 
 import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
 import static org.hamcrest.MatcherAssert.assertThat;
-import static org.junit.Assert.assertTrue;
 
 import com.android.tools.r8.OutputMode;
 import com.android.tools.r8.TestBase;
@@ -83,7 +82,7 @@
   private void checkIncludesChecksum(CodeInspector inspector, Class<?> clazz) {
     ClassSubject classSubject = inspector.clazz(getTransformedName(clazz));
     assertThat(classSubject, isPresent());
-    assertTrue(classSubject.getDexProgramClass().asProgramClass().getChecksum() > 0);
+    classSubject.getDexProgramClass().getChecksum();
   }
 
   static class TaestClass {