test_like_escape.js

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/* 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() {

  const paramForLike = "oo/bar_baz%20chees";

  const escapeChar = "/";

  for (const utf8 of [false, true]) {

    var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");

    var paramForLikeEscaped = utf8

      ? stmt.escapeUTF8StringForLIKE(paramForLike, escapeChar)

      : stmt.escapeStringForLIKE(paramForLike, escapeChar);

    // verify that we escaped / _ and %

    Assert.equal(paramForLikeEscaped, "oo//bar/_baz/%20chees");

    // prepend and append with % for "contains"

    stmt.bindByIndex(0, "%" + paramForLikeEscaped + "%");

    stmt.executeStep();

    Assert.equal("foo/bar_baz%20cheese", stmt.getString(0));

    stmt.finalize();

function test_escape_for_like_non_ascii() {

  const paramForLike = "oo%20" + LATIN1_AE + "/_ba";

  const escapeChar = "/";

  for (const utf8 of [false, true]) {

    var stmt = createStatement("SELECT x FROM t1 WHERE x LIKE ?1 ESCAPE '/'");

    var paramForLikeEscaped = utf8

      ? stmt.escapeUTF8StringForLIKE(paramForLike, escapeChar)

      : stmt.escapeStringForLIKE(paramForLike, escapeChar);

    // verify that we escaped / _ and %

    Assert.equal(paramForLikeEscaped, "oo/%20" + LATIN1_AE + "///_ba");

    // prepend and append with % for "contains"

    stmt.bindByIndex(0, "%" + paramForLikeEscaped + "%");

    stmt.executeStep();

    Assert.equal("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();