зеркало из https://github.com/mozilla/pjs.git
205 строки
6.1 KiB
JavaScript
205 строки
6.1 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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vim:set ts=2 sw=2 sts=2 et:
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Storage Test Code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shawn Wilsher <me@shawnwilsher.com> (Original Author)
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* Drew Willcoxon <adw@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// This file tests the functions of mozIStorageStatementWrapper
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function setup()
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{
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getOpenedDatabase().createTable("test", "id INTEGER PRIMARY KEY, val NONE," +
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"alt_val NONE");
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}
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/**
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* A convenience wrapper for do_check_eq. Calls do_check_eq on aActualVal
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* and aReturnedVal, with one caveat.
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*
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* Date objects are converted before parameter binding to PRTime's (microsecs
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* since epoch). They are not reconverted when retrieved from the database.
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* This function abstracts away this reconversion so that you can pass in,
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* for example:
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*
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* checkVal(new Date(), aReturnedVal) // this
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* checkVal(new Date().valueOf() * 1000.0, aReturnedVal) // instead of this
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*
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* Should any other types require conversion in the future, their conversions
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* may also be abstracted away here.
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*
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* @param aActualVal
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* the value inserted into the database
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* @param aReturnedVal
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* the value retrieved from the database
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*/
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function checkVal(aActualVal, aReturnedVal)
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{
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if (aActualVal instanceof Date) aActualVal = aActualVal.valueOf() * 1000.0;
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do_check_eq(aActualVal, aReturnedVal);
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}
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/**
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* Removes all rows from our test table.
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*/
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function clearTable()
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{
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var stmt = createStatement("DELETE FROM test");
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stmt.execute();
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stmt.finalize();
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ensureNumRows(0);
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}
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/**
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* Ensures that the number of rows in our test table is equal to aNumRows.
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* Calls do_check_eq on aNumRows and the value retrieved by SELECT'ing COUNT(*).
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*
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* @param aNumRows
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* the number of rows our test table should contain
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*/
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function ensureNumRows(aNumRows)
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{
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var stmt = createStatement("SELECT COUNT(*) AS number FROM test");
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do_check_true(stmt.step());
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do_check_eq(aNumRows, stmt.row.number);
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stmt.reset();
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stmt.finalize();
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}
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/**
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* Inserts aVal into our test table and checks that insertion was successful by
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* retrieving the newly inserted value from the database and comparing it
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* against aVal. aVal is bound to a single parameter.
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*
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* @param aVal
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* value to insert into our test table and check
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*/
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function insertAndCheckSingleParam(aVal)
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{
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clearTable();
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var stmt = createStatement("INSERT INTO test (val) VALUES (:val)");
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stmt.params.val = aVal;
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stmt.execute();
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stmt.finalize();
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ensureNumRows(1);
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stmt = createStatement("SELECT val FROM test WHERE id = 1");
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do_check_true(stmt.step());
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checkVal(aVal, stmt.row.val);
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stmt.reset();
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stmt.finalize();
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}
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/**
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* Inserts aVal into our test table and checks that insertion was successful by
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* retrieving the newly inserted value from the database and comparing it
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* against aVal. aVal is bound to two separate parameters, both of which are
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* checked against aVal.
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*
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* @param aVal
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* value to insert into our test table and check
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*/
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function insertAndCheckMultipleParams(aVal)
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{
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clearTable();
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var stmt = createStatement("INSERT INTO test (val, alt_val) " +
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"VALUES (:val, :val)");
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stmt.params.val = aVal;
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stmt.execute();
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stmt.finalize();
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ensureNumRows(1);
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stmt = createStatement("SELECT val, alt_val FROM test WHERE id = 1");
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do_check_true(stmt.step());
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checkVal(aVal, stmt.row.val);
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checkVal(aVal, stmt.row.alt_val);
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stmt.reset();
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stmt.finalize();
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}
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/**
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* A convenience function that prints out a description of aVal using
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* aVal.toString and aVal.toSource. Output is useful when the test fails.
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*
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* @param aVal
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* a value inserted or to be inserted into our test table
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*/
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function printValDesc(aVal)
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{
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try
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{
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var toSource = aVal.toSource();
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}
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catch (exc)
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{
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toSource = "";
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}
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print("Testing value: toString=" + aVal +
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(toSource ? " toSource=" + toSource : ""));
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}
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function run_test()
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{
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setup();
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// Static function JSValStorageStatementBinder in
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// storage/src/mozStorageStatementParams.h tells us that the following types
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// and only the following types are valid as statement parameters:
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var vals = [
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1337, // int
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3.1337, // double
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"foo", // string
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true, // boolean
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null, // null
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new Date(), // Date object
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];
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vals.forEach(function (val)
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{
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printValDesc(val);
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print("Single parameter");
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insertAndCheckSingleParam(val);
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print("Multiple parameters");
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insertAndCheckMultipleParams(val)
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});
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cleanup();
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}
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