mirror of
https://github.com/janet-lang/janet
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83 lines
2.5 KiB
Janet
83 lines
2.5 KiB
Janet
# Copyright (c) 2025 Calvin Rose & contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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(import ./helper :prefix "" :exit true)
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(start-suite)
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# Printing to buffers
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# d47804d22
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(def out-buf @"")
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(def err-buf @"")
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(with-dyns [:out out-buf :err err-buf]
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(print "Hello")
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(prin "hi")
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(eprint "Sup")
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(eprin "not much."))
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(assert (= (string out-buf) "Hello\nhi") "print and prin to buffer 1")
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(assert (= (string err-buf) "Sup\nnot much.")
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"eprint and eprin to buffer 1")
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# Printing to functions
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# 4e263b8c3
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(def out-buf @"")
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(defn prepend [x]
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(with-dyns [:out out-buf]
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(prin "> " x)))
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(with-dyns [:out prepend]
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(print "Hello world"))
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(assert (= (string out-buf) "> Hello world\n")
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"print to buffer via function")
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# c2f844157, 3c523d66e
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(with [f (file/temp)]
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(assert (= 0 (file/tell f)) "start of file")
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(file/write f "foo\n")
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(assert (= 4 (file/tell f)) "after written string")
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(file/flush f)
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(file/seek f :set 0)
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(assert (= 0 (file/tell f)) "start of file again")
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(assert (= (string (file/read f :all)) "foo\n") "temp files work"))
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# issue #1055 - 2c927ea76
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(let [b @""]
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(defn dummy [a b c]
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(+ a b c))
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(trace dummy)
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(defn errout [arg]
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(buffer/push b arg))
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(assert (= 6 (with-dyns [*err* errout] (dummy 1 2 3)))
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"trace to custom err function")
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(assert (deep= @"trace (dummy 1 2 3)\n" b) "trace buffer correct"))
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# xprintf
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(def b @"")
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(defn to-b [a] (buffer/push b a))
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(xprintf to-b "123")
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(assert (deep= b @"123\n") "xprintf to buffer")
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(assert-error "cannot print to 3" (xprintf 3 "123"))
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(end-suite)
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