// Skip invalid cases where SHA1 or SHA256 is used with full object
			if (tt.checksum.Is(ChecksumSHA1) || tt.checksum.Is(ChecksumSHA256)) && tt.fullobj {
				// Validate that NewChecksumType correctly marks these as invalid
				alg := tt.checksum.String()
				typ := NewChecksumType(alg, xhttp.AmzChecksumTypeFullObject)
				if !typ.Is(ChecksumInvalid) {
					t.Fatalf("Expected ChecksumInvalid for %s with full object, got %s", tt.name, typ.StringFull())
				}