diff --git a/src/test/java/org/spdx/tools/SpdxConverterTestV3.java b/src/test/java/org/spdx/tools/SpdxConverterTestV3.java
index dadc29f..473ea49 100644
--- a/src/test/java/org/spdx/tools/SpdxConverterTestV3.java
+++ b/src/test/java/org/spdx/tools/SpdxConverterTestV3.java
@@ -14,6 +14,7 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 import org.junit.After;
 import org.junit.Before;
@@ -21,11 +22,15 @@
 import org.spdx.core.InvalidSPDXAnalysisException;
 import org.spdx.library.ModelCopyManager;
 import org.spdx.library.SpdxModelFactory;
+import org.spdx.library.model.v3_0_1.SpdxConstantsV3;
 import org.spdx.library.model.v3_0_1.core.Element;
+import org.spdx.library.model.v3_0_1.core.Hash;
+import org.spdx.library.model.v3_0_1.core.HashAlgorithm;
 import org.spdx.library.model.v3_0_1.core.NamespaceMap;
 import org.spdx.library.model.v3_0_1.core.SpdxDocument;
 import org.spdx.library.model.v3_0_1.software.SpdxFile;
 import org.spdx.library.model.v3_0_1.software.SpdxPackage;
+import org.spdx.library.model.v3_0_1.software.Snippet;
 import org.spdx.storage.simple.InMemSpdxStore;
 import org.spdx.tools.SpdxToolsHelper.SerFileType;
 import org.spdx.utility.compare.SpdxCompareException;
@@ -116,7 +121,48 @@ public void testV2JsonToV3JsonLD() throws SpdxConverterException, InvalidSPDXAna
 		assertTrue(map.isPresent());
 		assertEquals("http://spdx.org/spdxdocs/spdx-tools-v1.2-3F2504E0-4F89-41D3-9A0C-0305E82C3301#", map.get().getNamespace());
 		assertEquals("DocumentRef-spdx-tool-1.2", map.get().getPrefix());
-		// TODO: create a more extensive set of checks
+
+		// Snippet fidelity. Expected values are SPDXRef-Snippet's fields in SPDXJSONExample-v2.3.spdx.json.
+		List<Snippet> resultSnippets = SpdxModelFactory.getSpdxObjects(resultDoc.getModelStore(), null,
+						SpdxConstantsV3.SOFTWARE_SNIPPET, null, null)
+				.map(o -> (Snippet)o).collect(Collectors.toList());
+		assertEquals(1, resultSnippets.size());
+		Snippet resultSnippet = resultSnippets.get(0);
+		assertEquals("from linux kernel", resultSnippet.getName().get());
+		assertEquals("Copyright 2008-2010 John Smith", resultSnippet.getCopyrightText().get());
+		// byte offset range (ranges[0]) and line number range (ranges[1]) from the source snippet
+		assertEquals(Integer.valueOf(310), resultSnippet.getByteRange().get().getBeginIntegerRange());
+		assertEquals(Integer.valueOf(420), resultSnippet.getByteRange().get().getEndIntegerRange());
+		assertEquals(Integer.valueOf(5), resultSnippet.getLineRange().get().getBeginIntegerRange());
+		assertEquals(Integer.valueOf(23), resultSnippet.getLineRange().get().getEndIntegerRange());
+		assertNotNull(resultSnippet.getSnippetFromFile());
+
+		// File checksum fidelity.
+		// TODO: package checksums don't carry over as Hash verifiedUsings on the v3 Package
+		// (only PackageVerificationCode does) - fix in SpdxConverter/Spdx2to3Converter, then assert here too.
+		List<Hash> resultFileHashes = resultFile.getVerifiedUsings().stream()
+				.filter(im -> im instanceof Hash).map(im -> (Hash)im).collect(Collectors.toList());
+		Optional<Hash> resultSha1 = resultFileHashes.stream()
+				.filter(h -> {
+					try {
+						return HashAlgorithm.SHA1.equals(h.getAlgorithm());
+					} catch (InvalidSPDXAnalysisException e) {
+						throw new RuntimeException(e);
+					}
+				}).findFirst();
+		assertTrue(resultSha1.isPresent());
+		assertEquals("d6a770ba38583ed4bb4525bd96e50461655d2758", resultSha1.get().getHashValue());
+		assertEquals("Copyright 2008-2010 John Smith", resultPackage.getCopyrightText().get());
+
+		// Annotation count survives conversion (3 doc-level + 1 package + 1 file).
+		long resultAnnotationCount = SpdxModelFactory.getSpdxObjects(resultDoc.getModelStore(), null,
+						SpdxConstantsV3.CORE_ANNOTATION, null, null).count();
+		assertEquals(5, resultAnnotationCount);
+
+		// Relationship count: converter also synthesizes license/distribution relationships, so assert a floor.
+		long resultRelationshipCount = SpdxModelFactory.getSpdxObjects(resultDoc.getModelStore(), null,
+						SpdxConstantsV3.CORE_RELATIONSHIP, null, null).count();
+		assertTrue(resultRelationshipCount >= 7);
 	}
 
 }