michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * This file tests that the guid function generates a guid of the proper length,
michael@0:  * with no invalid characters.
michael@0:  */
michael@0: 
michael@0: /**
michael@0:  * Checks all our invariants about our guids for a given result.
michael@0:  *
michael@0:  * @param aGuid
michael@0:  *        The guid to check.
michael@0:  */
michael@0: function check_invariants(aGuid)
michael@0: {
michael@0:   do_print("Checking guid '" + aGuid + "'");
michael@0: 
michael@0:   do_check_valid_places_guid(aGuid);
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Test Functions
michael@0: 
michael@0: function test_guid_invariants()
michael@0: {
michael@0:   const kExpectedChars = 64;
michael@0:   const kAllowedChars =
michael@0:     "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
michael@0:   do_check_eq(kAllowedChars.length, kExpectedChars);
michael@0:   const kGuidLength = 12;
michael@0: 
michael@0:   let checkedChars = [];
michael@0:   for (let i = 0; i < kGuidLength; i++) {
michael@0:     checkedChars[i] = {};
michael@0:     for (let j = 0; j < kAllowedChars; j++) {
michael@0:       checkedChars[i][kAllowedChars[j]] = false;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   // We run this until we've seen every character that we expect to see in every
michael@0:   // position.
michael@0:   let seenChars = 0;
michael@0:   let stmt = DBConn().createStatement("SELECT GENERATE_GUID()");
michael@0:   while (seenChars != (kExpectedChars * kGuidLength)) {
michael@0:     do_check_true(stmt.executeStep());
michael@0:     let guid = stmt.getString(0);
michael@0:     check_invariants(guid);
michael@0: 
michael@0:     for (let i = 0; i < guid.length; i++) {
michael@0:       let character = guid[i];
michael@0:       if (!checkedChars[i][character]) {
michael@0:         checkedChars[i][character] = true;
michael@0:         seenChars++;
michael@0:       }
michael@0:     }
michael@0:     stmt.reset();
michael@0:   }
michael@0:   stmt.finalize();
michael@0: 
michael@0:   // One last reality check - make sure all of our characters were seen.
michael@0:   for (let i = 0; i < kGuidLength; i++) {
michael@0:     for (let j = 0; j < kAllowedChars; j++) {
michael@0:       do_check_true(checkedChars[i][kAllowedChars[j]]);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   run_next_test();
michael@0: }
michael@0: 
michael@0: function test_guid_on_background()
michael@0: {
michael@0:   // We should not assert if we execute this asynchronously.
michael@0:   let stmt = DBConn().createAsyncStatement("SELECT GENERATE_GUID()");
michael@0:   let checked = false;
michael@0:   stmt.executeAsync({
michael@0:     handleResult: function(aResult) {
michael@0:       try {
michael@0:         let row = aResult.getNextRow();
michael@0:         check_invariants(row.getResultByIndex(0));
michael@0:         do_check_eq(aResult.getNextRow(), null);
michael@0:         checked = true;
michael@0:       }
michael@0:       catch (e) {
michael@0:         do_throw(e);
michael@0:       }
michael@0:     },
michael@0:     handleCompletion: function(aReason) {
michael@0:       do_check_eq(aReason, Ci.mozIStorageStatementCallback.REASON_FINISHED);
michael@0:       do_check_true(checked);
michael@0:       run_next_test();
michael@0:     }
michael@0:   });
michael@0:   stmt.finalize();
michael@0: }
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: //// Test Runner
michael@0: 
michael@0: [
michael@0:   test_guid_invariants,
michael@0:   test_guid_on_background,
michael@0: ].forEach(add_test);
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   run_next_test();
michael@0: }