зеркало из https://github.com/mozilla/gecko-dev.git
305 строки
8.6 KiB
JavaScript
305 строки
8.6 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* Bug 499990 - Locale-aware collation
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*
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* Tests our custom, locale-aware collating sequences.
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*/
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// The name of the file containing the strings we'll sort during this test.
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// The file's data is taken from intl/locale/tests/sort/us-ascii_base.txt and
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// and intl/locale/tests/sort/us-ascii_sort.txt.
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const DATA_BASENAME = "locale_collation.txt";
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// The test data from DATA_BASENAME is read into this array.
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var gStrings;
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// A collation created from the application's locale. Used by localeCompare().
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var gLocaleCollation;
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// A connection to our in-memory UTF-16-encoded database.
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var gUtf16Conn;
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///////////////////////////////////////////////////////////////////////////////
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//// Helper Functions
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/**
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* Since we create a UTF-16 database we have to clean it up, in addition to
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* the normal cleanup of Storage tests.
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*/
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function cleanupLocaleTests()
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{
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print("-- Cleaning up test_locale_collation.js suite.");
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gUtf16Conn.close();
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cleanup();
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}
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/**
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* Creates a test database similar to the default one created in
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* head_storage.js, except that this one uses UTF-16 encoding.
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*
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* @return A connection to the database.
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*/
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function createUtf16Database()
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{
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print("Creating the in-memory UTF-16-encoded database.");
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let conn = getService().openSpecialDatabase("memory");
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conn.executeSimpleSQL("PRAGMA encoding = 'UTF-16'");
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print("Make sure the encoding was set correctly and is now UTF-16.");
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let stmt = conn.createStatement("PRAGMA encoding");
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do_check_true(stmt.executeStep());
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let enc = stmt.getString(0);
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stmt.finalize();
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// The value returned will actually be UTF-16le or UTF-16be.
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do_check_true(enc === "UTF-16le" || enc === "UTF-16be");
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return conn;
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}
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/**
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* Compares aActual to aExpected, ensuring that the numbers and orderings of
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* the two arrays' elements are the same.
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*
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* @param aActual
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* An array of strings retrieved from the database.
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* @param aExpected
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* An array of strings to which aActual should be equivalent.
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*/
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function ensureResultsAreCorrect(aActual, aExpected)
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{
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print("Actual results: " + aActual);
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print("Expected results: " + aExpected);
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do_check_eq(aActual.length, aExpected.length);
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for (let i = 0; i < aActual.length; i++)
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do_check_eq(aActual[i], aExpected[i]);
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}
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/**
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* Synchronously SELECTs all rows from the test table of the given database
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* using the given collation.
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*
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* @param aCollation
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* The name of one of our custom locale collations. The rows are
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* ordered by this collation.
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* @param aConn
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* A connection to either the UTF-8 database or the UTF-16 database.
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* @return The resulting strings in an array.
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*/
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function getResults(aCollation, aConn)
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{
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let results = [];
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let stmt = aConn.createStatement("SELECT t FROM test " +
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"ORDER BY t COLLATE " + aCollation + " ASC");
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while (stmt.executeStep())
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results.push(stmt.row.t);
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stmt.finalize();
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return results;
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}
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/**
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* Inserts strings into our test table of the given database in the order given.
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*
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* @param aStrings
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* An array of strings.
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* @param aConn
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* A connection to either the UTF-8 database or the UTF-16 database.
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*/
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function initTableWithStrings(aStrings, aConn)
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{
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print("Initializing test table.");
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aConn.executeSimpleSQL("DROP TABLE IF EXISTS test");
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aConn.createTable("test", "t TEXT");
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let stmt = aConn.createStatement("INSERT INTO test (t) VALUES (:t)");
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aStrings.forEach(function (str) {
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stmt.params.t = str;
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stmt.execute();
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stmt.reset();
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});
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stmt.finalize();
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}
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/**
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* Returns a sorting function suitable for passing to Array.prototype.sort().
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* The returned function uses the application's locale to compare strings.
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*
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* @param aCollation
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* The name of one of our custom locale collations. The sorting
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* strength is computed from this value.
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* @return A function to use as a sorting callback.
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*/
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function localeCompare(aCollation)
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{
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var strength;
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switch (aCollation) {
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case "locale":
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strength = Ci.nsICollation.kCollationCaseInSensitive;
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break;
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case "locale_case_sensitive":
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strength = Ci.nsICollation.kCollationAccentInsenstive;
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break;
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case "locale_accent_sensitive":
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strength = Ci.nsICollation.kCollationCaseInsensitiveAscii;
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break;
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case "locale_case_accent_sensitive":
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strength = Ci.nsICollation.kCollationCaseSensitive;
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break;
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default:
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do_throw("Error in test: unknown collation '" + aCollation + "'");
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break;
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}
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return function (aStr1, aStr2)
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gLocaleCollation.compareString(strength, aStr1, aStr2);
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}
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/**
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* Reads in the test data from the file DATA_BASENAME and returns it as an array
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* of strings.
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*
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* @return The test data as an array of strings.
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*/
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function readTestData()
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{
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print("Reading in test data.");
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let file = do_get_file(DATA_BASENAME);
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let istream = Cc["@mozilla.org/network/file-input-stream;1"].
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createInstance(Ci.nsIFileInputStream);
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istream.init(file, -1, -1, 0);
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istream.QueryInterface(Components.interfaces.nsILineInputStream);
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let line = {};
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let lines = [];
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while (istream.readLine(line))
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lines.push(line.value);
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istream.close();
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return lines;
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}
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/**
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* Gets the results from the given database using the given collation and
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* ensures that they match gStrings sorted by the same collation.
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*
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* @param aCollation
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* The name of one of our custom locale collations. The rows from the
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* database and the expected results are ordered by this collation.
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* @param aConn
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* A connection to either the UTF-8 database or the UTF-16 database.
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*/
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function runTest(aCollation, aConn)
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{
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ensureResultsAreCorrect(getResults(aCollation, aConn),
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gStrings.slice(0).sort(localeCompare(aCollation)));
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}
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/**
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* Gets the results from the UTF-8 database using the given collation and
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* ensures that they match gStrings sorted by the same collation.
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*
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* @param aCollation
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* The name of one of our custom locale collations. The rows from the
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* database and the expected results are ordered by this collation.
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*/
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function runUtf8Test(aCollation)
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{
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runTest(aCollation, getOpenedDatabase());
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}
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/**
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* Gets the results from the UTF-16 database using the given collation and
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* ensures that they match gStrings sorted by the same collation.
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*
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* @param aCollation
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* The name of one of our custom locale collations. The rows from the
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* database and the expected results are ordered by this collation.
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*/
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function runUtf16Test(aCollation)
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{
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runTest(aCollation, gUtf16Conn);
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}
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/**
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* Sets up the test suite.
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*/
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function setup()
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{
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print("-- Setting up the test_locale_collation.js suite.");
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gStrings = readTestData();
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initTableWithStrings(gStrings, getOpenedDatabase());
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gUtf16Conn = createUtf16Database();
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initTableWithStrings(gStrings, gUtf16Conn);
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let localeSvc = Cc["@mozilla.org/intl/nslocaleservice;1"].
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getService(Ci.nsILocaleService);
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let collFact = Cc["@mozilla.org/intl/collation-factory;1"].
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createInstance(Ci.nsICollationFactory);
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gLocaleCollation = collFact.CreateCollation(localeSvc.getApplicationLocale());
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}
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///////////////////////////////////////////////////////////////////////////////
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//// Test Runs
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let gTests = [
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{
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desc: "Case and accent sensitive UTF-8",
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run: function () runUtf8Test("locale_case_accent_sensitive")
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},
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{
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desc: "Case sensitive, accent insensitive UTF-8",
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run: function () runUtf8Test("locale_case_sensitive")
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},
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{
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desc: "Case insensitive, accent sensitive UTF-8",
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run: function () runUtf8Test("locale_accent_sensitive")
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},
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{
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desc: "Case and accent insensitive UTF-8",
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run: function () runUtf8Test("locale")
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},
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{
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desc: "Case and accent sensitive UTF-16",
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run: function () runUtf16Test("locale_case_accent_sensitive")
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},
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{
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desc: "Case sensitive, accent insensitive UTF-16",
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run: function () runUtf16Test("locale_case_sensitive")
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},
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{
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desc: "Case insensitive, accent sensitive UTF-16",
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run: function () runUtf16Test("locale_accent_sensitive")
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},
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{
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desc: "Case and accent insensitive UTF-16",
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run: function () runUtf16Test("locale")
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},
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];
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function run_test()
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{
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setup();
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gTests.forEach(function (test) {
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print("-- Running test: " + test.desc);
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test.run();
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});
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}
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