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rose-ash/lib/tcl/tests/eval.sx
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tcl: Phase 2 eval engine — tcl-eval-script + set/puts/incr/append (+20 tests, 87 total)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-26 14:02:52 +00:00

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; Tcl-on-SX eval tests
(define tcl-eval-pass 0)
(define tcl-eval-fail 0)
(define tcl-eval-failures (list))
(define
tcl-eval-assert
(fn
(label expected actual)
(if
(equal? expected actual)
(set! tcl-eval-pass (+ tcl-eval-pass 1))
(begin
(set! tcl-eval-fail (+ tcl-eval-fail 1))
(append!
tcl-eval-failures
(str label ": expected=" (str expected) " got=" (str actual)))))))
(define
tcl-run-eval-tests
(fn
()
(set! tcl-eval-pass 0)
(set! tcl-eval-fail 0)
(set! tcl-eval-failures (list))
(define interp (fn () (make-default-tcl-interp)))
(define run (fn (src) (tcl-eval-string (interp) src)))
(tcl-eval-assert "set-result" "hello" (get (run "set x hello") :result))
(tcl-eval-assert
"set-stored"
"hello"
(tcl-var-get (run "set x hello") "x"))
(tcl-eval-assert
"var-sub"
"hello"
(tcl-var-get (run "set x hello\nset y $x") "y"))
(tcl-eval-assert
"puts"
"world\n"
(get (run "set x world\nputs $x") :output))
(tcl-eval-assert
"puts-nonewline"
"hi"
(get (run "puts -nonewline hi") :output))
(tcl-eval-assert "incr" "6" (tcl-var-get (run "set x 5\nincr x") "x"))
(tcl-eval-assert
"incr-delta"
"8"
(tcl-var-get (run "set x 5\nincr x 3") "x"))
(tcl-eval-assert
"incr-neg"
"7"
(tcl-var-get (run "set x 10\nincr x -3") "x"))
(tcl-eval-assert
"append"
"foobar"
(tcl-var-get (run "set x foo\nappend x bar") "x"))
(tcl-eval-assert
"append-new"
"hello"
(tcl-var-get (run "append x hello") "x"))
(tcl-eval-assert
"cmdsub-result"
"42"
(get (run "set y [set x 42]") :result))
(tcl-eval-assert
"cmdsub-y"
"42"
(tcl-var-get (run "set y [set x 42]") "y"))
(tcl-eval-assert
"cmdsub-x"
"42"
(tcl-var-get (run "set y [set x 42]") "x"))
(tcl-eval-assert
"multi-cmd"
"4"
(tcl-var-get (run "set x 1\nincr x\nincr x\nincr x") "x"))
(tcl-eval-assert "semi-x" "1" (tcl-var-get (run "set x 1; set y 2") "x"))
(tcl-eval-assert "semi-y" "2" (tcl-var-get (run "set x 1; set y 2") "y"))
(tcl-eval-assert
"braced-nosub"
"$x"
(tcl-var-get (run "set x 42\nset y {$x}") "y"))
(tcl-eval-assert
"concat-word"
"foobar"
(tcl-var-get (run "set x foo\nset y ${x}bar") "y"))
(tcl-eval-assert
"set-get"
"world"
(get (run "set x world\nset x") :result))
(tcl-eval-assert
"puts-channel"
"hello\n"
(get (run "puts stdout hello") :output))
(dict
"passed"
tcl-eval-pass
"failed"
tcl-eval-fail
"failures"
tcl-eval-failures)))