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// META: script=resources/nfc-helpers.js
'use strict';
test(() => {
assert_equals(NDEFMessage.length, 1);
assert_throws_js(TypeError, () => new NDEFMessage());
}, 'NDEFMessage constructor without init dict');
test(() => {
assert_throws_js(
TypeError, () => new NDEFMessage(null),
'NDEFMessageInit#records is a required field.');
}, 'NDEFMessage constructor with null init dict');
test(() => {
assert_throws_js(
TypeError, () => new NDEFMessage({dummy_key: 'dummy_value'}),
'NDEFMessageInit#records is a required field.');
}, 'NDEFMessage constructor without NDEFMessageInit#records field');
test(() => {
assert_throws_js(
TypeError, () => new NDEFMessage({records: []}),
'NDEFMessageInit#records should not be empty.');
}, 'NDEFMessage constructor with NDEFMessageInit#records being empty');
test(() => {
const message =
new NDEFMessage(createMessage([createTextRecord(test_text_data)]));
assert_equals(message.records.length, 1, 'one text record');
assert_equals(message.records[0].recordType, 'text', 'messageType');
assert_equals(message.records[0].mediaType, null, 'mediaType');
assert_equals(message.records[0].encoding, 'utf-8', 'encoding');
assert_equals(message.records[0].lang, 'en', 'lang');
assert_true(
message.records[0].data instanceof DataView, 'data returns a DataView');
const decoder = new TextDecoder();
assert_equals(
decoder.decode(message.records[0].data), test_text_data,
'data contains the same text content');
}, 'NDEFMessage constructor with a text record');
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