RTCDataChannel-binaryType.window.js

'use strict';

const validBinaryTypes = ['blob', 'arraybuffer'];
const invalidBinaryTypes = ['jellyfish', 'arraybuffer ', '', null, undefined, 234, 54n];

test((t) => {
  const pc = new RTCPeerConnection();
  t.add_cleanup(() => pc.close());
  const dc = pc.createDataChannel('test-binary-type');

  assert_equals(dc.binaryType, "blob", `dc.binaryType should be 'blob'`);
}, `Default binaryType value`);

for (const binaryType of validBinaryTypes) {
  test((t) => {
    const pc = new RTCPeerConnection();
    t.add_cleanup(() => pc.close());
    const dc = pc.createDataChannel('test-binary-type');

    dc.binaryType = binaryType;
    assert_equals(dc.binaryType, binaryType, `dc.binaryType should be '${binaryType}'`);
  }, `Setting binaryType to '${binaryType}' should succeed`);
}

for (const binaryType of invalidBinaryTypes) {
  test((t) => {
    const pc = new RTCPeerConnection();
    t.add_cleanup(() => pc.close());
    const dc = pc.createDataChannel('test-binary-type');

    dc.binaryType = "arraybuffer";
    dc.binaryType = binaryType;
    assert_equals(dc.binaryType, "arraybuffer");
  }, `Setting binaryType to '${binaryType}' should be ignored`);
}