gecko-dev/storage/test/unit/test_like_escape.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

const LATIN1_AE = "\xc6";
const LATIN1_ae = "\xe6"; 

function setup()
{
  getOpenedDatabase().createTable("t1", "x TEXT");

  var stmt = createStatement("INSERT INTO t1 (x) VALUES ('foo/bar_baz%20cheese')");
  stmt.execute();
  stmt.finalize();

  stmt = createStatement("INSERT INTO t1 (x) VALUES (?1)");
  // insert LATIN_ae, but search on LATIN_AE
  stmt.bindByIndex(0, "foo%20" + LATIN1_ae + "/_bar");
  stmt.execute();
  stmt.finalize();
}
    
function test_escape_for_like_ascii()
{
  var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");
  var paramForLike = stmt.escapeStringForLIKE("oo/bar_baz%20chees", '/');
  // verify that we escaped / _ and %
  do_check_eq(paramForLike, "oo//bar/_baz/%20chees");
  // prepend and append with % for "contains"
  stmt.bindByIndex(0, "%" + paramForLike + "%"); 
  stmt.executeStep();
  do_check_eq("foo/bar_baz%20cheese", stmt.getString(0));
  stmt.finalize();
}

function test_escape_for_like_non_ascii()
{
  var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");
  var paramForLike = stmt.escapeStringForLIKE("oo%20" + LATIN1_AE + "/_ba", '/');
  // verify that we escaped / _ and %
  do_check_eq(paramForLike, "oo/%20" + LATIN1_AE + "///_ba");
  // prepend and append with % for "contains"
  stmt.bindByIndex(0, "%" + paramForLike + "%");
  stmt.executeStep();
  do_check_eq("foo%20" + LATIN1_ae + "/_bar", stmt.getString(0));
  stmt.finalize();
}

var tests = [test_escape_for_like_ascii, test_escape_for_like_non_ascii];

function run_test()
{
  setup();

  for (var i = 0; i < tests.length; i++)
    tests[i]();
    
  cleanup();
}