diff --git a/t/001_basic.pl b/t/001_basic.pl
index 194407fde77..805436926eb 100644
--- a/t/001_basic.pl
+++ b/t/001_basic.pl
@@ -45,10 +45,10 @@ ok($rt_value == 1, "Restart Server");
 $rt_value = $node->psql('postgres', "SELECT pg_tde_add_key_provider_file('file-vault','/tmp/pg_tde_test_keyring.per');", extra_params => ['-a']);
 $rt_value = $node->psql('postgres', "SELECT pg_tde_set_principal_key('test-db-principal-key','file-vault');", extra_params => ['-a']);
 
-$stdout = $node->safe_psql('postgres', 'CREATE TABLE test_enc(id SERIAL,k INTEGER,PRIMARY KEY (id)) USING pg_tde_basic;', extra_params => ['-a']);
+$stdout = $node->safe_psql('postgres', 'CREATE TABLE test_enc(id SERIAL,k VARCHAR(32),PRIMARY KEY (id)) USING pg_tde_basic;', extra_params => ['-a']);
 PGTDE::append_to_file($stdout);
 
-$stdout = $node->safe_psql('postgres', 'INSERT INTO test_enc (k) VALUES (5),(6);', extra_params => ['-a']);
+$stdout = $node->safe_psql('postgres', 'INSERT INTO test_enc (k) VALUES (\'foobar\'),(\'barfoo\');', extra_params => ['-a']);
 PGTDE::append_to_file($stdout);
 
 $stdout = $node->safe_psql('postgres', 'SELECT * FROM test_enc ORDER BY id ASC;', extra_params => ['-a']);
@@ -62,6 +62,19 @@ $rt_value = $node->start();
 $stdout = $node->safe_psql('postgres', 'SELECT * FROM test_enc ORDER BY id ASC;', extra_params => ['-a']);
 PGTDE::append_to_file($stdout);
 
+# Verify that we can't see the data in the file
+my $tablefile = $node->safe_psql('postgres', 'SHOW data_directory;');
+$tablefile .= '/';
+$tablefile .= $node->safe_psql('postgres', 'SELECT pg_relation_filepath(\'test_enc\');');
+
+my $strings = 'TABLEFILE FOUND: ';
+$strings .= `(ls  $tablefile >/dev/null && echo yes) || echo no`;
+PGTDE::append_to_file($strings);
+
+$strings = 'CONTAINS FOO (should be empty): ';
+$strings .= `strings $tablefile | grep foo`;
+PGTDE::append_to_file($strings);
+
 $stdout = $node->safe_psql('postgres', 'DROP TABLE test_enc;', extra_params => ['-a']);
 PGTDE::append_to_file($stdout);
 
diff --git a/t/expected/001_basic.out b/t/expected/001_basic.out
index 8bd0df54f84..552273f6144 100644
--- a/t/expected/001_basic.out
+++ b/t/expected/001_basic.out
@@ -1,13 +1,16 @@
 CREATE EXTENSION pg_tde;
 -- server restart
-CREATE TABLE test_enc(id SERIAL,k INTEGER,PRIMARY KEY (id)) USING pg_tde_basic;
-INSERT INTO test_enc (k) VALUES (5),(6);
+CREATE TABLE test_enc(id SERIAL,k VARCHAR(32),PRIMARY KEY (id)) USING pg_tde_basic;
+INSERT INTO test_enc (k) VALUES ('foobar'),('barfoo');
 SELECT * FROM test_enc ORDER BY id ASC;
-1|5
-2|6
+1|foobar
+2|barfoo
 -- server restart
 SELECT * FROM test_enc ORDER BY id ASC;
-1|5
-2|6
+1|foobar
+2|barfoo
+TABLEFILE FOUND: yes
+
+CONTAINS FOO (should be empty): 
 DROP TABLE test_enc;
 DROP EXTENSION pg_tde;