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* Build: line tables only in dev, no debug info for dependencies * Tests: one integration-test binary per crate Each crate's tests/*.rs becomes a module of tests/it/main.rs. Files that install process-wide state (the file io hooks, user aliases, SAVETIME and SAVEFILEPATH, user linetype and pattern files, registered fonts) stay their own test binaries. * xtask ci: nextest, tests without examples, one wasm check call
50 lines
1.6 KiB
Rust
50 lines
1.6 KiB
Rust
//! UNDO takes the number of operations to undo; U (Edit > Undo, Cmd+Z) undoes one at once.
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use cadcraft_engine::Session;
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fn count(s: &Session) -> usize {
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s.doc().unwrap().model.len()
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}
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fn session_with_circles(n: usize) -> Session {
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let mut s = Session::new();
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for i in 0..n {
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s.cmdline(&format!("CIRCLE {},0 1", i * 3)).unwrap();
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}
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assert_eq!(count(&s), n);
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s
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}
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#[test]
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fn undo_takes_a_count() {
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let mut s = session_with_circles(4);
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s.script("UNDO 3\nCIRCLE 20,0 1\n").unwrap();
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assert!(s.running.is_none(), "{}", s.prompt_text());
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// Three undone, then the next line runs as a command: 4 - 3 + 1.
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assert_eq!(count(&s), 2, "{:?}", s.log);
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// The undone steps can be redone, and UNDO itself adds no undo step.
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let mut s = session_with_circles(4);
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s.cmdline("UNDO 3").unwrap();
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assert_eq!(count(&s), 1);
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s.execute("redo", &serde_json::json!({ "count": 3 })).unwrap();
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assert_eq!(count(&s), 4);
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// Enter takes the default of one.
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s.cmdline("UNDO").unwrap();
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s.cmdline("").unwrap();
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assert_eq!(count(&s), 3);
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}
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#[test]
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fn undo_options_and_u() {
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// An option that is not available yet ends UNDO without undoing; the next token is its value
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// (Auto ON) or the next command.
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let mut s = session_with_circles(2);
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s.script("UNDO A ON\nUNDO M\nCIRCLE 20,0 1\n").unwrap();
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assert!(s.running.is_none(), "{}", s.prompt_text());
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assert_eq!(count(&s), 3, "{:?}", s.log);
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// U undoes one operation without asking.
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s.cmdline("U").unwrap();
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assert!(s.running.is_none());
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assert_eq!(count(&s), 2);
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}
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