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// META: global=window,worker
// META: title=IDBFactory.cmp()
// META: script=resources/support-promises.js
'use strict';
// Test cmp() with valid keys. These tests verify that cmp() returns the correct
// comparison value.
test(function() {
let greater = indexedDB.cmp(2, 1);
let equal = indexedDB.cmp(2, 2);
let less = indexedDB.cmp(1, 2);
assert_equals(greater, 1, 'greater');
assert_equals(equal, 0, 'equal');
assert_equals(less, -1, 'less');
}, 'IDBFactory.cmp() - compared keys return correct value');
// Test cmp() with invalid keys. These tests verify that cmp() throws an
// exception when given invalid input.
test(function() {
assert_throws_js(TypeError, function() {
indexedDB.cmp();
});
}, 'IDBFactory.cmp() - no argument');
test(function() {
assert_throws_dom('DataError', function() {
indexedDB.cmp(null, null);
});
assert_throws_dom('DataError', function() {
indexedDB.cmp(1, null);
});
assert_throws_dom('DataError', function() {
indexedDB.cmp(null, 1);
});
}, 'IDBFactory.cmp() - null');
test(function() {
assert_throws_dom('DataError', function() {
indexedDB.cmp(NaN, NaN);
});
assert_throws_dom('DataError', function() {
indexedDB.cmp(1, NaN);
});
assert_throws_dom('DataError', function() {
indexedDB.cmp(NaN, 1);
});
}, 'IDBFactory.cmp() - NaN');
// Test cmp() with keys of different types. These tests verify that cmp()
// correctly compares keys of different types.
test(function() {
assert_equals(indexedDB.cmp([0], new Uint8Array([0])), 1, 'Array > Binary');
}, 'Array vs. Binary');
test(function() {
assert_equals(indexedDB.cmp(new Uint8Array([0]), '0'), 1, 'Binary > String');
}, 'Binary vs. String');
test(function() {
assert_equals(indexedDB.cmp('', new Date(0)), 1, 'String > Date');
}, 'String vs. Date');
test(function() {
assert_equals(indexedDB.cmp(new Date(0), 0), 1, 'Date > Number');
}, 'Date vs. Number');
// Test cmp() with binary keys. These tests verify that cmp() correctly compares
// binary keys.
test(function() {
assert_equals(
indexedDB.cmp(new Int8Array([-1]), new Uint8Array([0])), 1,
'255(-1) shall be larger than 0');
}, 'Compare in unsigned octet values (in the range [0, 255])');
test(function() {
assert_equals(
indexedDB.cmp(
new Uint8Array([255, 254, 253]), new Uint8Array([255, 253, 254])),
1, '[255, 254, 253] shall be larger than [255, 253, 254]');
}, 'Compare values of the same length');
test(function() {
assert_equals(
indexedDB.cmp(
new Uint8Array([255, 254]), new Uint8Array([255, 253, 254])),
1, '[255, 254] shall be larger than [255, 253, 254]');
}, 'Compare values of different lengths');
test(function() {
assert_equals(
indexedDB.cmp(
new Uint8Array([255, 253, 254]), new Uint8Array([255, 253])),
1, '[255, 253, 254] shall be larger than [255, 253]');
}, 'Compare when values in the range of their minimal length are the same');