chromium/third_party/blink/web_tests/accessibility/input-type-password-value-and-selection.html

<!DOCTYPE html>
<html>
  <head>
    <script src="../resources/js-test.js"></script>
  </head>
  <body>

    <input id="password" type="password" value="Secret">

    <script>
        description("This tests that AXValue, caret position and text selection are reported correctly for password fields.");

        if (window.accessibilityController) {
            let password = document.getElementById("password");
            let textLength = password.value.length;
            password.focus();
            window.axPassword = accessibilityController.accessibleElementById("password");

            // Initially the caret should be at the beginning of the field.
            shouldBe("axPassword", "axPassword.selectionAnchorObject");
            shouldBe("axPassword", "axPassword.selectionFocusObject");
            shouldBeZero("axPassword.selectionAnchorOffset");
            shouldBeZero("axPassword.selectionFocusOffset");

            // The password field should contain 6 bullets.
            // (Bullet is the default mask character, not star.)
            let axValue = "AXValue: " + new Array(textLength + 1).join(
                String.fromCharCode(8226 /* Bullet symbol. */));
            shouldBeEqualToString("axPassword.stringValue", axValue);

            for (let start = 0; start < textLength; ++start) {
                for (let end = start; end < textLength; ++end) {
                    password.setSelectionRange(start, end);
                    shouldBe("axPassword", "axPassword.selectionAnchorObject");
                    shouldBe("axPassword", "axPassword.selectionFocusObject");
                    shouldBeEqualToNumber("axPassword.selectionAnchorOffset", start);
                    shouldBeEqualToNumber("axPassword.selectionFocusOffset", end);
                }
            }

            // Invalid range.
            password.setSelectionRange(7, 0);
            shouldBe("axPassword", "axPassword.selectionAnchorObject");
            shouldBe("axPassword", "axPassword.selectionFocusObject");
            shouldBeZero("axPassword.selectionAnchorOffset");
            shouldBeZero("axPassword.selectionFocusOffset");
        }
    </script>
  </body>
</html>