diff --git a/tests/block_test_util.go b/tests/block_test_util.go
index df651d24e..f34c5d200 100644
--- a/tests/block_test_util.go
+++ b/tests/block_test_util.go
@@ -160,10 +160,92 @@ func (t *BlockTest) TryBlocksInsert(chainManager *core.ChainManager) error {
 		if b.BlockHeader == nil {
 			return fmt.Errorf("Block insertion should have failed")
 		}
+		err = validateBlockHeader(b.BlockHeader, cb.Header())
+		if err != nil {
+			return fmt.Errorf("Block header validation failed: ", err)
+		}
 	}
 	return nil
 }
 
+func validateBlockHeader(h *btHeader, h2 *types.Header) error {
+	expectedBloom := mustConvertBytes(h.Bloom)
+	if !bytes.Equal(expectedBloom, h2.Bloom.Bytes()) {
+		return fmt.Errorf("Bloom: expected: %v, decoded: %v", expectedBloom, h2.Bloom.Bytes())
+	}
+
+	expectedCoinbase := mustConvertBytes(h.Coinbase)
+	if !bytes.Equal(expectedCoinbase, h2.Coinbase.Bytes()) {
+		return fmt.Errorf("Coinbase: expected: %v, decoded: %v", expectedCoinbase, h2.Coinbase.Bytes())
+	}
+
+	expectedMixHashBytes := mustConvertBytes(h.MixHash)
+	if !bytes.Equal(expectedMixHashBytes, h2.MixDigest.Bytes()) {
+		return fmt.Errorf("MixHash: expected: %v, decoded: %v", expectedMixHashBytes, h2.MixDigest.Bytes())
+	}
+
+	expectedNonce := mustConvertBytes(h.Nonce)
+	if !bytes.Equal(expectedNonce, h2.Nonce[:]) {
+		return fmt.Errorf("Nonce: expected: %v, decoded: %v", expectedNonce, h2.Nonce[:])
+	}
+
+	expectedNumber := mustConvertBigInt(h.Number, 16)
+	if expectedNumber.Cmp(h2.Number) != 0 {
+		return fmt.Errorf("Number: expected: %v, decoded: %v", expectedNumber, h2.Number)
+	}
+
+	expectedParentHash := mustConvertBytes(h.ParentHash)
+	if !bytes.Equal(expectedParentHash, h2.ParentHash.Bytes()) {
+		return fmt.Errorf("Parent hash: expected: %v, decoded: %v", expectedParentHash, h2.ParentHash.Bytes())
+	}
+
+	expectedReceiptHash := mustConvertBytes(h.ReceiptTrie)
+	if !bytes.Equal(expectedReceiptHash, h2.ReceiptHash.Bytes()) {
+		return fmt.Errorf("Receipt hash: expected: %v, decoded: %v", expectedReceiptHash, h2.ReceiptHash.Bytes())
+	}
+
+	expectedTxHash := mustConvertBytes(h.TransactionsTrie)
+	if !bytes.Equal(expectedTxHash, h2.TxHash.Bytes()) {
+		return fmt.Errorf("Tx hash: expected: %v, decoded: %v", expectedTxHash, h2.TxHash.Bytes())
+	}
+
+	expectedStateHash := mustConvertBytes(h.StateRoot)
+	if !bytes.Equal(expectedStateHash, h2.Root.Bytes()) {
+		return fmt.Errorf("State hash: expected: %v, decoded: %v", expectedStateHash, h2.Root.Bytes())
+	}
+
+	expectedUncleHash := mustConvertBytes(h.UncleHash)
+	if !bytes.Equal(expectedUncleHash, h2.UncleHash.Bytes()) {
+		return fmt.Errorf("Uncle hash: expected: %v, decoded: %v", expectedUncleHash, h2.UncleHash.Bytes())
+	}
+
+	expectedExtraData := mustConvertBytes(h.ExtraData)
+	if !bytes.Equal(expectedExtraData, h2.Extra) {
+		return fmt.Errorf("Extra data: expected: %v, decoded: %v", expectedExtraData, h2.Extra)
+	}
+
+	expectedDifficulty := mustConvertBigInt(h.Difficulty, 16)
+	if expectedDifficulty.Cmp(h2.Difficulty) != 0 {
+		return fmt.Errorf("Difficulty: expected: %v, decoded: %v", expectedDifficulty, h2.Difficulty)
+	}
+
+	expectedGasLimit := mustConvertBigInt(h.GasLimit, 16)
+	if expectedGasLimit.Cmp(h2.GasLimit) != 0 {
+		return fmt.Errorf("GasLimit: expected: %v, decoded: %v", expectedGasLimit, h2.GasLimit)
+	}
+	expectedGasUsed := mustConvertBigInt(h.GasUsed, 16)
+	if expectedGasUsed.Cmp(h2.GasUsed) != 0 {
+		return fmt.Errorf("GasUsed: expected: %v, decoded: %v", expectedGasUsed, h2.GasUsed)
+	}
+
+	expectedTimestamp := mustConvertUint(h.Timestamp, 16)
+	if expectedTimestamp != h2.Time {
+		return fmt.Errorf("Timestamp: expected: %v, decoded: %v", expectedTimestamp, h2.Time)
+	}
+
+	return nil
+}
+
 func (t *BlockTest) ValidatePostState(statedb *state.StateDB) error {
 	for addrString, acct := range t.preAccounts {
 		// XXX: is is worth it checking for errors here?