Ereigniszustellung und Hostgrenzen korrigieren und Change archivieren

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2026-09-05 19:15:31 +02:00
parent 57d6386a5a
commit 644a86212f
39 changed files with 2013 additions and 271 deletions

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//! Regressionen zum Change ereigniszustellung-und-hostgrenzen.
use tb_frontend::forms::{FormCatalog, ObjectClass};
use tb_runtime::host::{CaptureHost, Ereignis, Host, MausArt, MausEreignis};
use tb_runtime::screen::TextScreen;
use tb_runtime::value::Value;
use tb_vm::interp::{RunEvent, Vm};
#[path = "../../../tests/support/prozessfrist.rs"]
mod prozessfrist;
fn vm(src: &str) -> Vm {
let mut catalog = FormCatalog::default();
catalog.add("Form1", ObjectClass::Form, None, false);
catalog.add("Text1", ObjectClass::TextBox, Some("Form1"), false);
catalog.add("Text2", ObjectClass::TextBox, Some("Form1"), false);
catalog.add("Timer1", ObjectClass::Timer, Some("Form1"), false);
catalog.add("Menu1", ObjectClass::Menu, Some("Form1"), false);
catalog.add("Item1", ObjectClass::Menu, Some("Menu1"), false);
Vm::new(
tb_vm::compile_source_with_forms("FORM1", src, &catalog)
.unwrap_or_else(|d| panic!("{d:?}")),
)
}
fn stop(vm: &mut Vm, host: &mut dyn Host) {
assert!(matches!(vm.run(host), RunEvent::Stopped { .. }));
}
fn string(vm: &Vm, name: &str) -> String {
match vm.inspect(name) {
Some(Value::Str(s)) => s.to_string(),
other => panic!("{other:?}"),
}
}
fn integer(vm: &Vm, name: &str) -> i16 {
match vm.inspect(name) {
Some(Value::Int(n)) => n,
other => panic!("{other:?}"),
}
}
fn key(s: &str) -> Ereignis {
Ereignis::Taste(s.into(), 0)
}
fn mouse() -> Ereignis {
Ereignis::Maus(MausEreignis {
art: MausArt::Druck,
taste: 1,
shift: 0,
zeile: 1,
spalte: 1,
})
}
#[test]
fn beide_signale_werden_zugestellt_und_beginnen_in_quellreihenfolge() {
let mut vm = vm("ON SIGNAL(1) GOSUB IntHandler\nON SIGNAL(2) GOSUB TermHandler\nSIGNAL(1) ON\nSIGNAL(2) ON\nSTOP\nDOEVENTS\nEND\nIntHandler:\ns$ = s$ + \"1\"\nRETURN\nTermHandler:\ns$ = s$ + \"2\"\nRETURN");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(Ereignis::Signal(2));
host.ereignis(Ereignis::Signal(1));
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "12");
for n in [0, 3] {
assert!(
tb_vm::compile_source("TEST", &format!("ON SIGNAL({n}) GOSUB H\nEND\nH:\nRETURN"))
.is_err()
);
let mut bad = vm_for_source(&format!("n% = {n}\nON SIGNAL(n%) GOSUB H\nEND\nH:\nRETURN"));
assert!(matches!(
bad.run(&mut host),
RunEvent::Error { code: 5, .. }
));
}
}
fn vm_for_source(src: &str) -> Vm {
Vm::new(tb_vm::compile_source("TEST", src).unwrap())
}
#[test]
fn key_on_off_stop_gelten_fuer_alle_konsoleneingaben() {
for state in ["ON", "OFF", "STOP"] {
for input in ["s$ = INKEY$", "INPUT s$", "LINE INPUT s$", "s$ = INPUT$(1)"] {
let mut vm = vm_for_source(&format!("ON KEY(15) GOSUB H\nKEY 15, CHR$(0) + CHR$(30)\nKEY(15) {state}\nSTOP\n{input}\nKEY(15) ON\nDOEVENTS\nEND\nH:\nn% = n% + 1\nRETURN"));
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("a"));
if state == "ON" {
host.ereignis(key("b"));
}
host.ereignis(key("\r"));
assert_eq!(vm.run(&mut host), RunEvent::Ended, "{state}: {input}");
assert_eq!(
string(&vm, "s"),
if state == "ON" { "b" } else { "a" },
"{state}: {input}"
);
assert_eq!(
integer(&vm, "n"),
if state == "OFF" { 0 } else { 1 },
"{state}: {input}"
);
}
}
}
#[test]
fn taste_maus_und_trap_behalten_die_annahmereihenfolge() {
for (events, expected) in [
(vec![key("a"), mouse()], "aM"),
(vec![mouse(), key("a")], "Ma"),
(
vec![key("a"), mouse(), key("b"), key("t"), mouse()],
"aMbTM",
),
] {
let mut vm = vm("DIM SHARED s$\nON KEY(15) GOSUB H\nKEY 15, CHR$(0) + CHR$(20)\nKEY(15) ON\nForm1.Show\nText1.SetFocus\nSTOP\nn% = DOEVENTS + LEN(s$)\nDOEVENTS\nDOEVENTS\nDOEVENTS\nDOEVENTS\nEND\nH:\ns$ = s$ + \"T\"\nRETURN\nSUB Text1_KeyPress(KeyAscii AS INTEGER)\nSHARED s$\ns$ = s$ + CHR$(KeyAscii)\nEND SUB\nSUB Form_MouseDown(Button AS INTEGER, Shift AS INTEGER, X AS SINGLE, Y AS SINGLE)\nSHARED s$\ns$ = s$ + \"M\"\nEND SUB");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
for event in events {
host.ereignis(event);
}
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), expected);
assert!(
matches!(vm.inspect("n"), Some(Value::Int(n)) if n > 0),
"DOEVENTS muss vor der Auswertung von LEN zustellen"
);
}
}
#[test]
fn fokus_handler_laufen_geordnet_bis_zur_rueckkehr() {
let mut vm = vm("DIM SHARED s$\nText1.TabIndex = 0\nText2.TabIndex = 1\nForm1.Show\nText1.SetFocus\nSTOP\nDOEVENTS\nEND\nSUB Text1_LostFocus()\nSHARED s$\ns$ = s$ + \"L\"\ns$ = s$ + \"l\"\nEND SUB\nSUB Text2_GotFocus()\nSHARED s$\ns$ = s$ + \"G\"\ns$ = s$ + \"g\"\nEND SUB");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("\t"));
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "LlGg");
}
#[test]
fn doevents_verhindert_rekursion_derselben_forms_prozedur() {
let mut vm = vm("DIM SHARED s$\nForm1.Show\nText1.SetFocus\nSTOP\nDOEVENTS\nEND\nSUB Text1_KeyPress(KeyAscii AS INTEGER)\nSHARED s$\ns$ = s$ + CHR$(KeyAscii)\nDOEVENTS\ns$ = s$ + \"r\"\nEND SUB");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("a"));
host.ereignis(key("b"));
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "arbr");
}
#[test]
fn offenes_menu_sperrt_traps_und_wartende_forms_timer_an_allen_zustellpunkten() {
let mut vm = vm("DIM SHARED n%\nON UEVENT GOSUB H\nUEVENT ON\nMenu1.Caption = \"&Datei\"\nItem1.Caption = \"&Ende\"\nForm1.Show\nSTOP\nCALL SetUEvent\nn% = n% + 1\nDOEVENTS\nSLEEP .001\nLINE INPUT s$\nSTOP\nDOEVENTS\nEND\nH:\nn% = n% + 10\nRETURN\nSUB Timer1_Timer()\nSHARED n%\nn% = n% + 100\nEND SUB");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
vm.forms.handle_key("d", 4);
assert!(vm.forms.menu_is_open());
vm.queue_form_event(tb_ui::forms::FormEvent {
object: 3,
array_index: None,
name: "TIMER".into(),
args: vec![],
});
// Erst die blockierende Konsole holt Enter ab, damit das Menü offen bleibt.
struct InputHost(CaptureHost);
impl Host for InputHost {
fn present(&mut self, s: &TextScreen) {
self.0.present(s);
}
fn next_event(&mut self, block: bool) -> Option<Ereignis> {
block.then(|| key("\r"))
}
fn jetzt_ms(&mut self) -> u64 {
self.0.jetzt_ms()
}
fn warten(&mut self, deadline: Option<u64>) -> Option<Ereignis> {
if deadline.is_none() {
self.next_event(true)
} else {
self.0.warten(deadline)
}
}
}
stop(&mut vm, &mut InputHost(CaptureHost::default()));
assert_eq!(integer(&vm, "n"), 1);
assert!(vm.forms.menu_is_open());
host.ereignis(key("\u{1b}"));
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(integer(&vm, "n"), 111);
}
#[test]
fn ohne_zeitbedarf_keine_uhrabfrage_und_keine_mausansammlung() {
struct OhneUhr(CaptureHost);
impl Host for OhneUhr {
fn present(&mut self, s: &TextScreen) {
self.0.present(s);
}
fn next_event(&mut self, b: bool) -> Option<Ereignis> {
self.0.next_event(b)
}
fn jetzt_ms(&mut self) -> u64 {
panic!("unerwartete Uhrabfrage")
}
fn warten(&mut self, _: Option<u64>) -> Option<Ereignis> {
panic!("unerwartetes Warten")
}
}
for src in ["a% = 1\na% = 2\nEND", "Form1.Show\na% = 1\nDOEVENTS\nEND"] {
let mut vm = vm(src);
let mut host = OhneUhr(CaptureHost::default());
for _ in 0..500 {
host.0.ereignis(mouse());
}
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert!(vm.rt.eingaben.is_empty());
}
}
#[test]
fn sleep_folgt_nur_der_hostfrist_und_forms_timer_beendet_es() {
let _frist = prozessfrist::Prozessfrist::neu("Host-SLEEP", std::time::Duration::from_secs(5));
struct WarteHost {
now: u64,
deadlines: Vec<Option<u64>>,
timer: bool,
}
impl Host for WarteHost {
fn present(&mut self, _: &TextScreen) {}
fn next_event(&mut self, _: bool) -> Option<Ereignis> {
None
}
fn jetzt_ms(&mut self) -> u64 {
self.now
}
fn warten(&mut self, deadline: Option<u64>) -> Option<Ereignis> {
self.deadlines.push(deadline);
if self.deadlines.len() == 1 && !self.timer {
// Reale Zeit verstreicht bei eingefrorener Hostuhr. Erst die
// folgende Host-Wartephase darf die Deadline erreichen.
std::thread::sleep(std::time::Duration::from_millis(10));
return Some(Ereignis::Groesse { cols: 80, rows: 25 });
}
self.now = deadline.expect("Deadline fehlt");
None
}
}
let mut host = WarteHost {
now: 0,
deadlines: vec![],
timer: false,
};
let mut plain = vm_for_source("SLEEP .001\nEND");
assert_eq!(plain.run(&mut host), RunEvent::Ended);
assert_eq!(host.deadlines, [Some(1), Some(1)]);
let mut vm = vm("DIM SHARED n%\nForm1.Show\nTimer1.Interval = 100\nTimer1.Enabled = -1\nSLEEP 60\nEND\nSUB Timer1_Timer()\nSHARED n%\nn% = n% + 1\nEND SUB");
let mut host = WarteHost {
now: 0,
deadlines: vec![],
timer: true,
};
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(host.deadlines, [Some(100)]);
assert_eq!(integer(&vm, "n"), 1);
}
#[test]
fn dialog_erhaelt_stop_markierung_unverbrauchter_tasten() {
let mut vm = vm_for_source("ON KEY(15) GOSUB H\nKEY 15, CHR$(0) + CHR$(30)\nKEY(15) STOP\nSTOP\nx% = MSGBOX(\"Weiter\")\nKEY(15) ON\nDOEVENTS\ns$ = INKEY$\nEND\nH:\nn% = n% + 1\nRETURN");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("\r"));
host.ereignis(key("a"));
vm.rt.pump(&mut host, false);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "a");
assert_eq!(integer(&vm, "n"), 1);
}
#[test]
fn unload_aus_unload_handler_ruft_dieselbe_prozedur_nicht_rekursiv_auf() {
let mut vm = vm("DIM SHARED s$\nForm1.Show\nUNLOAD Form1\nEND\nSUB Form_Unload(Cancel AS INTEGER)\nSHARED s$\ns$ = s$ + \"u\"\nUNLOAD Form1\ns$ = s$ + \"r\"\nEND SUB");
assert_eq!(vm.run(&mut CaptureHost::default()), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "ur");
assert!(!vm.forms.is_loaded(0));
}
// Nachverifikation V1V5: unveränderte Sollwerte aus den Review-Proben.
#[test]
fn review_signal_waehrend_blockierender_eingabe() {
struct Input {
reads: usize,
}
impl Host for Input {
fn present(&mut self, _: &TextScreen) {}
fn next_event(&mut self, block: bool) -> Option<Ereignis> {
if !block {
return None;
}
self.reads += 1;
Some(if self.reads == 1 {
Ereignis::Signal(2)
} else {
Ereignis::Ende
})
}
fn jetzt_ms(&mut self) -> u64 {
0
}
fn warten(&mut self, _: Option<u64>) -> Option<Ereignis> {
self.next_event(true)
}
}
let mut results = vec![];
for statement in ["INPUT s$", "LINE INPUT s$", "s$ = INPUT$(1)"] {
let src =
format!("ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\n{statement}\nEND\nH:\nPRINT \"H\"\nEND");
let mut vm = Vm::new(tb_vm::compile_source("TEST", &src).unwrap());
let result = vm.run(&mut Input { reads: 0 });
println!(
"{statement}: {result:?}; Ausgabe={:?}",
tb_runtime::snapshot::text(&vm.rt.screen)
);
results.push(result);
}
assert!(results.iter().all(|result| *result == RunEvent::Ended));
}
#[test]
fn review_objektargument_darf_gotfocus_nicht_vorziehen() {
for action in [
"CALL Mark(Text1)",
"n% = Text1.TabIndex\nCALL Mark(Text1)",
"Text1.Text = \"neu\"\nCALL Mark(Text1)",
"Text1.Refresh\nCALL Mark(Text1)",
"LOAD Form1\nCALL Mark(Text1)",
] {
let mut vm = vm(&format!("DIM SHARED s$\nText1.TabIndex = 0\nText2.TabIndex = 1\nForm1.Show\nText1.SetFocus\nSTOP\nDOEVENTS\nEND\nSUB Text1_LostFocus()\nSHARED s$\n{action}\ns$ = s$ + \"l\"\nEND SUB\nSUB Mark(c AS CONTROL)\nSHARED s$\ns$ = s$ + \"L\"\nEND SUB\nSUB Text2_GotFocus()\nSHARED s$\ns$ = s$ + \"G\"\ns$ = s$ + \"g\"\nEND SUB"));
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("\t"));
assert_eq!(vm.run(&mut host), RunEvent::Ended, "{action}");
assert_eq!(string(&vm, "s"), "LlGg", "{action}");
}
}
#[test]
fn review_gleichzeitig_key_und_uevent_behalten_prioritaet() {
let mut vm = vm("ON KEY(15) GOSUB K\nKEY 15, CHR$(0) + CHR$(20)\nKEY(15) ON\nON UEVENT GOSUB U\nUEVENT ON\nSTOP\nDOEVENTS\nEND\nK:\ns$ = s$ + \"K\"\nRETURN\nU:\ns$ = s$ + \"U\"\nRETURN");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(key("t"));
vm.rt.pump(&mut host, false);
vm.rt.traps.melden(tb_runtime::traps::Quelle::UEvent);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "KU");
}
#[test]
fn review_modale_eingabe_vor_eof_wird_zugestellt() {
let mut vm = vm("DIM SHARED s$\nForm1.Show 1\nEND\nSUB Form_MouseDown(Button AS INTEGER, Shift AS INTEGER, X AS SINGLE, Y AS SINGLE)\nSHARED s$\ns$ = \"M\"\nUNLOAD Form1\nEND SUB");
let mut host = CaptureHost::default();
host.ereignis_nach(2, mouse());
host.ereignis_nach(2, Ereignis::Ende);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "M");
}
#[test]
fn eof_leert_angenommene_eingaben_bei_modalen_und_modellosen_forms() {
for modal in [false, true] {
let show = if modal { "Form1.Show 1" } else { "Form1.Show" };
let mut vm = vm(&format!("DIM SHARED s$\n{show}\nEND\nSUB Form_MouseDown(Button AS INTEGER, Shift AS INTEGER, X AS SINGLE, Y AS SINGLE)\nSHARED s$\ns$ = s$ + \"M\"\nEND SUB"));
let mut host = CaptureHost::default();
if !modal {
assert_eq!(vm.run(&mut host), RunEvent::Ended);
}
host.ereignis_nach(2, mouse());
host.ereignis_nach(2, mouse());
host.ereignis_nach(2, Ereignis::Ende);
let result = if modal {
vm.run(&mut host)
} else {
vm.run_visible_forms(&mut host)
};
assert_eq!(result, RunEvent::Ended, "modal={modal}");
assert_eq!(string(&vm, "s"), "MM", "modal={modal}");
}
}
#[test]
fn review_menu_schliessen_stellt_pending_trap_vor_erneutem_warten_zu() {
struct MenuHost {
time: u64,
waits: usize,
}
impl Host for MenuHost {
fn present(&mut self, _: &TextScreen) {}
fn next_event(&mut self, _: bool) -> Option<Ereignis> {
None
}
fn jetzt_ms(&mut self) -> u64 {
self.time
}
fn warten(&mut self, deadline: Option<u64>) -> Option<Ereignis> {
self.waits += 1;
if self.waits == 1 {
return Some(key("\u{1b}"));
}
self.time = deadline.unwrap();
None
}
}
let mut vm = vm("ON UEVENT GOSUB H\nUEVENT ON\nMenu1.Caption = \"&Datei\"\nItem1.Caption = \"&Ende\"\nForm1.Show\nSTOP\nSLEEP 60\nEND\nH:\ns$ = \"U\"\nRETURN");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
vm.forms.handle_key("d", 4);
vm.rt.traps.melden(tb_runtime::traps::Quelle::UEvent);
let mut host = MenuHost { time: 0, waits: 0 };
assert_eq!(vm.run(&mut host), RunEvent::Ended);
println!(
"Menü/SLEEP: Zeit={}, Warteaufrufe={}, Handler={}",
host.time,
host.waits,
string(&vm, "s")
);
assert_eq!(host.waits, 1);
}
#[test]
fn review_maus_vor_getrappter_taste() {
let mut vm = vm("DIM SHARED s$\nON KEY(15) GOSUB H\nKEY 15, CHR$(0) + CHR$(20)\nKEY(15) ON\nForm1.Show\nSTOP\nDOEVENTS\nDOEVENTS\nEND\nH:\ns$ = s$ + \"K\"\nRETURN\nSUB Form_MouseDown(Button AS INTEGER, Shift AS INTEGER, X AS SINGLE, Y AS SINGLE)\nSHARED s$\ns$ = s$ + \"M\"\nEND SUB");
let mut host = CaptureHost::default();
stop(&mut vm, &mut host);
host.ereignis(mouse());
host.ereignis(key("t"));
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "MK");
}
/// Ereignisse treffen erst beim Warten ein, auch mitten in einer Eingabe.
struct EingabeHost {
events: std::collections::VecDeque<Ereignis>,
now: u64,
deadlines: Vec<Option<u64>>,
}
impl Host for EingabeHost {
fn present(&mut self, _: &TextScreen) {}
fn next_event(&mut self, _: bool) -> Option<Ereignis> {
None
}
fn jetzt_ms(&mut self) -> u64 {
self.now
}
fn warten(&mut self, deadline: Option<u64>) -> Option<Ereignis> {
self.deadlines.push(deadline);
if let Some(deadline) = deadline {
self.now = deadline;
None
} else {
Some(self.events.pop_front().unwrap_or(Ereignis::Ende))
}
}
}
fn eingabe_host(events: Vec<Ereignis>) -> EingabeHost {
EingabeHost {
events: events.into(),
now: 0,
deadlines: vec![],
}
}
#[test]
fn input_fortsetzung_erhaelt_teiltext_ausdruck_und_byref_ziel() {
for (statement, expected, enter) in [
("INPUT s$", "ab", true),
("LINE INPUT s$", "ab", true),
("s$ = \"x\" + INPUT$(2) + \"y\"", "xaby", false),
] {
let src = format!("ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\nCALL Lesen(s$)\nEND\nH:\nn% = n% + 1\nRETURN\nSUB Lesen(s$)\n{statement}\nEND SUB");
let mut vm = vm_for_source(&src);
let mut events = vec![key("a"), Ereignis::Signal(2), key("b")];
if enter {
events.push(key("\r"));
}
let mut host = eingabe_host(events);
assert_eq!(vm.run(&mut host), RunEvent::Ended, "{statement}");
assert_eq!(string(&vm, "s"), expected);
assert_eq!(integer(&vm, "n"), 1);
assert_eq!(host.deadlines.len(), if enter { 4 } else { 3 });
}
}
#[test]
fn handler_eingabe_und_stop_bewahren_die_aeussere_eingabe() {
let mut vm = vm_for_source(
"ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\nINPUT s$\nEND\nH:\nSTOP\nINPUT t$\nRETURN",
);
let mut host = eingabe_host(vec![
key("a"),
Ereignis::Signal(2),
key("h"),
key("\r"),
key("b"),
key("\r"),
]);
stop(&mut vm, &mut host);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "ab");
assert_eq!(string(&vm, "t"), "h");
}
#[test]
fn timer_waehrend_input_wird_vor_erneutem_warten_zugestellt() {
let mut vm = vm_for_source(
"ON TIMER(1) GOSUB H\nTIMER ON\nINPUT s$\nEND\nH:\nn% = n% + 1\nTIMER OFF\nRETURN",
);
let mut host = eingabe_host(vec![key("a"), key("\r")]);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "a");
assert_eq!(integer(&vm, "n"), 1);
assert_eq!(host.deadlines, [Some(1000), None, None]);
}
#[test]
fn input_redo_verliert_weder_referenzen_noch_teiltext_beim_trap() {
let mut vm =
vm_for_source("ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\nINPUT \"Zahl:\"; n%\nEND\nH:\nRETURN");
let mut host = eingabe_host(vec![
key("x"),
key("\r"),
key("4"),
Ereignis::Signal(2),
key("2"),
key("\r"),
]);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(integer(&vm, "n"), 42);
assert_eq!(
tb_runtime::snapshot::text(&vm.rt.screen)
.matches("Zahl:")
.count(),
2
);
}
#[test]
fn lokaler_error_handler_nach_trap_verwirft_abgebrochene_teileingabe() {
let mut vm = vm_for_source("ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\nCALL Lesen(s$)\nEND\nH:\nERROR 5\nRETURN\nSUB Lesen(s$)\nON LOCAL ERROR GOTO Fehler\nINPUT s$\nEXIT SUB\nFehler:\nINPUT s$\nRESUME NEXT\nEND SUB");
let mut host = eingabe_host(vec![key("a"), Ereignis::Signal(2), key("b"), key("\r")]);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(string(&vm, "s"), "b");
}
#[test]
fn randomize_eingabe_teilt_den_fortsetzbaren_konsolenpfad() {
let mut vm = vm_for_source(
"ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\nRANDOMIZE\nEND\nH:\nn% = n% + 1\nRETURN",
);
let mut host = eingabe_host(vec![key("4"), Ereignis::Signal(2), key("2"), key("\r")]);
assert_eq!(vm.run(&mut host), RunEvent::Ended);
assert_eq!(integer(&vm, "n"), 1);
assert_eq!(
tb_runtime::snapshot::text(&vm.rt.screen)
.matches("Random Number Seed")
.count(),
1
);
}
#[test]
fn return_label_verwirft_abgebrochene_eingabe_und_ausdruck() {
for statement in ["INPUT s$", "s$ = \"alt\" + INPUT$(2)"] {
let mut vm = vm_for_source(&format!("ON SIGNAL(2) GOSUB H\nSIGNAL(2) ON\n{statement}\nEND\nWeiter:\nINPUT t$\nEND\nH:\nRETURN Weiter"));
let mut host = eingabe_host(vec![key("a"), Ereignis::Signal(2), key("b"), key("\r")]);
assert_eq!(vm.run(&mut host), RunEvent::Ended, "{statement}");
assert_eq!(string(&vm, "s"), "");
assert_eq!(string(&vm, "t"), "b");
}
}

View File

@@ -859,6 +859,12 @@ fn run_mit_uhr(src: &str, schritt_ms: u64) -> (RunEvent, String) {
fn next_event(&mut self, b: bool) -> Option<tb_runtime::host::Ereignis> {
self.inner.next_event(b)
}
fn warten(&mut self, deadline_ms: Option<u64>) -> Option<tb_runtime::host::Ereignis> {
if let Some(event) = self.next_event(false) {
return Some(event);
}
self.inner.warten(deadline_ms)
}
fn jetzt_ms(&mut self) -> u64 {
let j = self.inner.jetzt_ms();
self.inner.uhr_vorruecken(self.schritt);