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products/Sources/formale Sprachen/C/Firefox/dom/webserial/tests/mochitest/ (Firefox Browser Version 153.0.1^©) Datei vom 27.6.2026 mit Größe 4 kB

Quelle test_serial_errors.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/webserial/tests/mochitest/test_serial_errors.html

<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test Web Serial API - Error Handling</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="serial_test_utils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script>

"use strict";

SimpleTest.waitForExplicitFinish();

SimpleTest.registerCleanupFunction(cleanupSerialPorts);

add_task(async function testInvalidBaudRate() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  const invalidBaudRates = [0, -1, -9600, NaN, Infinity, -Infinity];

  for (const baudRate of invalidBaudRates) {
    await Assert.rejects(
      port.open({ baudRate }),
      /TypeError/,
      `Should throw TypeError for baudRate: ${baudRate}`
    );
  }
});

add_task(async function testInvalidDataBits() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  const invalidDataBits = [0, 6, 9, 10, -1];

  for (const dataBits of invalidDataBits) {
    await Assert.rejects(
      port.open({ baudRate: 9600, dataBits }),
      /TypeError/,
      `Should throw TypeError for dataBits: ${dataBits}`
    );
  }
});

add_task(async function testInvalidStopBits() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  const invalidStopBits = [0, 3, -1];

  for (const stopBits of invalidStopBits) {
    await Assert.rejects(
      port.open({ baudRate: 9600, stopBits }),
      e => e.name === "TypeError" || e.name === "RangeError",
      `Should throw error for stopBits: ${stopBits}`
    );
  }
});

add_task(async function testInvalidParity() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  const invalidParity = ["invalid", "NONE", "EVEN", "", null];

  for (const parity of invalidParity) {
    await Assert.rejects(
      port.open({ baudRate: 9600, parity }),
      /TypeError/,
      `Should throw TypeError for parity: ${parity}`
    );
  }
});

add_task(async function testInvalidFlowControl() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  const invalidFlowControl = ["invalid", "NONE", "HARDWARE", "", null];

  for (const flowControl of invalidFlowControl) {
    await Assert.rejects(
      port.open({ baudRate: 9600, flowControl }),
      /TypeError/,
      `Should throw TypeError for flowControl: ${flowControl}`
    );
  }
});

add_task(async function testOperationsOnClosedPort() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  is(port.writable, null, "writable should be null on closed port");
  is(port.readable, null, "readable should be null on closed port");
});

add_task(async function testDoubleOpen() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  await port.open({ baudRate: 9600 });

  await Assert.rejects(
    port.open({ baudRate: 115200 }),
    /InvalidStateError/,
    "Should throw InvalidStateError on double open"
  );

  await port.close();
});

add_task(async function testWriteAfterClose() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });
  await port.open({ baudRate: 9600 });

  const writer = port.writable.getWriter();
  await port.close();

  const encoder = new TextEncoder();
  await Assert.rejects(
    writer.write(encoder.encode("Test")),
    /NetworkError/,
    "Write after close should fail with NetworkError"
  );
});

add_task(async function testReadAfterClose() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });
  await port.open({ baudRate: 9600 });

  const reader = port.readable.getReader();
  await port.close();

  // close() cancels the readable stream, so a read returns {done: true}.
  const result = await reader.read();
  ok(result.done, "Read after close should return done");
});

add_task(async function testMissingRequiredOptions() {
  SpecialPowers.wrap(document).notifyUserGestureActivation();
  const port = await navigator.serial.requestPort({ filters: [] });

  await Assert.rejects(
    port.open({}),
    /TypeError/,
    "Should throw TypeError when baudRate missing"
  );

  await Assert.rejects(
    port.open({ dataBits: 8 }),
    /TypeError/,
    "Should throw TypeError when baudRate missing with other options"
  );
});

</script>
</body>
</html>

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¤ Dauer der Verarbeitung: 0.21 Sekunden (vorverarbeitet am 2026-08-25) ¤

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