T42c Misc · Codes and checks passes review

Tests now hold focus in the field after an answer and a passed captcha with no Tab stop.

TASKS.md

@@ -142,7 +142,7 @@ Per-component lines live in `tasks/`. Tags there:
 - [x] T41c Maps · World — `tasks/ch31-43.md`
 - [x] T42a Misc · Time — `tasks/ch31-43.md`
 - [x] T42b Misc · Numbers — `tasks/ch31-43.md`
-- [ ] T42c Misc · Codes and checks — `tasks/ch31-43.md`
+- [x] T42c Misc · Codes and checks — `tasks/ch31-43.md`
 - [ ] T42d Misc · Asking and learning — `tasks/ch31-43.md`
 - [ ] T42e Misc · Terms and notices — `tasks/ch31-43.md`
 - [ ] T42f Misc · Web — `tasks/ch31-43.md`
@@ -452,3 +452,5 @@ Per-component lines live in `tasks/`. Tags there:
 | T42a | 2 | PASS | |
 | T42b | 1 | FAIL | a result went on as its twelve-digit text, so 1 ÷ 3 = × 3 = read 0.999999999999; a long reading hid digits at 280px; Equals on a dangling operator said the formula ended early; Control, the = key and a point after a result untested |
 | T42b | 2 | PASS | |
+| T42c | 1 | FAIL | a verdict or a new ask disabled Verify while it held focus, so focus fell to the root; Enter handed a second answer over during the check; a passed field kept its ring and caret |
+| T42c | 2 | PASS | three claims untested; tests for focus after an answer and a resting pass added in the pass commit |

src/misc/tests/codes.rs

@@ -163,7 +163,24 @@ fn verify_hands_focus_to_the_field(cx: &mut TestAppContext) {
     press("tab", cx);
     press("enter", cx);
     assert_eq!(said(), ["W7XK"]);
-    assert!(!at_root(cx), "focus went to the field, not the root");
+    cx.simulate_input("again");
+    press("enter", cx);
+    assert_eq!(said(), ["W7XK", "again"], "the typing reached the field");
+}
+
+/// A passed captcha rests: Tab finds no stop in it and typing reaches nothing.
+#[gpui::test]
+fn a_passed_captcha_rests(cx: &mut TestAppContext) {
+    STATE.set(CaptchaState::Passed);
+    let (_, cx) = stage(captcha, cx);
+    press("tab", cx);
+    cx.simulate_input("again");
+    press("enter", cx);
+    assert!(said().is_empty());
+    assert!(
+        !shown("captcha-verified-focused", cx),
+        "Tab found no stop in the resting captcha"
+    );
 }
 
 /// Verify spins while the owner checks, and its mark keeps its focus once passed.