mirror of
https://github.com/janet-lang/janet
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66 lines
2.4 KiB
Janet
66 lines
2.4 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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(def has-ffi (dyn 'ffi/native))
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(def has-full-ffi
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(and has-ffi
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(when-let [entry (dyn 'ffi/calling-conventions)]
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(def fficc (entry :value))
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(> (length (fficc)) 1)))) # all arches support :none
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# FFI check
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# d80356158
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(compwhen has-ffi
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(ffi/context))
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(compwhen has-ffi
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(ffi/defbind memcpy :ptr [dest :ptr src :ptr n :size]))
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(compwhen has-full-ffi
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(def buffer1 @"aaaa")
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(def buffer2 @"bbbb")
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(memcpy buffer1 buffer2 4)
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(assert (= (string buffer1) "bbbb") "ffi 1 - memcpy"))
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# cfaae47ce
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(compwhen has-ffi
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(assert (= 8 (ffi/size [:int :char])) "size unpacked struct 1")
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(assert (= 5 (ffi/size [:pack :int :char])) "size packed struct 1")
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(assert (= 5 (ffi/size [:int :pack-all :char])) "size packed struct 2")
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(assert (= 4 (ffi/align [:int :char])) "align 1")
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(assert (= 1 (ffi/align [:pack :int :char])) "align 2")
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(assert (= 1 (ffi/align [:int :char :pack-all])) "align 3")
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(assert (= 26 (ffi/size [:char :pack :int @[:char 21]]))
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"array struct size"))
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(compwhen has-ffi
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(assert-error "bad struct issue #1512" (ffi/struct :void)))
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(compwhen has-ffi
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(def buf @"")
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(ffi/write :u8 10 buf)
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(assert (= 1 (length buf)))
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(ffi/write :u8 10 buf)
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(assert (= 2 (length buf))))
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(end-suite)
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