Method setValue

src/material/input/testing/input-harness.ts:125–139

* Sets the value of the input. The value will be set by simulating * keypresses that correspond to the given value.

(newValue: string)

   * keypresses that correspond to the given value.
   */
  async setValue(newValue: string): Promise<void> {
    const inputEl = await this.host();
    await inputEl.clear();
    // We don't want to send keys for the value if the value is an empty
    // string in order to clear the value. Sending keys with an empty string
    // still results in unnecessary focus events.
    if (newValue) {
      await inputEl.sendKeys(newValue);
    }

    // Some input types won't respond to key presses (e.g. `color`) so to be sure that the
    // value is set, we also set the property after the keyboard sequence. Note that we don't
    // want to do it before, because it can cause the value to be entered twice.
    await inputEl.setInputValue(newValue);
  }
}