1 files changed, 51 insertions, 1 deletions

diff --git a/tests/client_ui.rs b/tests/client_ui.rs
index 44febde..7969139 100644
--- a/tests/client_ui.rs
+++ b/tests/client_ui.rs
@@ -2,7 +2,7 @@ use std::time::Duration;
 use zagan_bet::client::ui::{
     command_names, completion_lines, display_width, first_contact_lines, format_pong, help_lines,
     host_lines, input_cursor_column, lines_to_move_up, parse_bet_arg, record_history,
-    visual_line_count,
+    terminal_too_small, visual_line_count, MIN_COLUMNS, MIN_ROWS,
 };
 
 #[test]
@@ -255,3 +255,53 @@ fn hosts_without_a_fingerprint_are_never_merged() {
         2
     );
 }
+
+#[test]
+fn a_terminal_smaller_than_every_game_needs_is_refused() {
+    assert!(terminal_too_small(80, 24).is_none());
+    assert!(terminal_too_small(120, 40).is_none());
+
+    assert!(terminal_too_small(79, 24).is_some());
+    assert!(terminal_too_small(80, 23).is_some());
+
+    let message = terminal_too_small(40, 10).unwrap();
+    assert!(message.contains("80x24"));
+    assert!(message.contains("40x10"));
+}
+
+#[test]
+fn the_roulette_felt_fits_the_minimum_terminal() {
+    use zagan_bet::client::games::roulette::{Cursor, RouletteGame, ROULETTE_BOARD_LINES};
+    use zagan_bet::client::games::traits::{Game, GamePhase, GameState};
+    use zagan_bet::roulette::Bets;
+    use std::collections::HashMap;
+
+    let mut data = HashMap::new();
+    data.insert("balance".to_string(), "1000".to_string());
+    data.insert("chip".to_string(), "10".to_string());
+    data.insert("status".to_string(), "place".to_string());
+    data.insert("bets".to_string(), Bets::default().to_json());
+    data.insert("cursor".to_string(), Cursor::Zero.encoded());
+    let state = GameState {
+        game_type: "roulette".to_string(),
+        bet_amount: 0,
+        phase: GamePhase::WaitingToStart,
+        data,
+    };
+
+    let board = RouletteGame::new().render(&state);
+    let lines: Vec<&str> = board.split("\r\n").collect();
+    assert_eq!(lines.len(), ROULETTE_BOARD_LINES);
+    assert_eq!(RouletteGame::new().render_lines(&state), ROULETTE_BOARD_LINES);
+    for line in lines {
+        assert!(
+            display_width(line) <= MIN_COLUMNS as usize,
+            "roulette line is {} wide: {line:?}",
+            display_width(line)
+        );
+    }
+    assert!(
+        ROULETTE_BOARD_LINES + 4 <= MIN_ROWS as usize,
+        "the board must leave room for the prompt and a few transcript lines"
+    );
+}