mirror of https://github.com/janet-lang/janet
135 lines
4.1 KiB
Plaintext
135 lines
4.1 KiB
Plaintext
#
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# Simple FFI test script that tests against a simple shared object
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#
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(def is-windows (= :windows (os/which)))
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(def ffi/loc (string "examples/ffi/so." (if is-windows "dll" "so")))
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(def ffi/source-loc "examples/ffi/so.c")
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(if is-windows
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(os/execute ["cl.exe" "/nologo" "/LD" ffi/source-loc "/link" "/DLL" (string "/OUT:" ffi/loc)] :px)
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(os/execute ["cc" ffi/source-loc "-shared" "-o" ffi/loc] :px))
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(ffi/context ffi/loc)
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(def intintint (ffi/struct :int :int :int))
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(def big (ffi/struct :s64 :s64 :s64))
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(def split (ffi/struct :int :int :float :float))
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(def split-flip (ffi/struct :float :float :int :int))
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(def six-ints (ffi/struct :int :int :int :int :int :int))
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(ffi/defbind int-fn :int [a :int b :int])
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(ffi/defbind double-fn :double [a :double b :double c :double])
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(ffi/defbind double-many :double
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[x :double y :double z :double w :double a :double b :double])
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(ffi/defbind double-lots :double
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[a :double b :double c :double d :double e :double f :double g :double h :double i :double j :double])
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(ffi/defbind float-fn :double
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[x :float y :float z :float])
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(ffi/defbind intint-fn :int
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[x :double ii [:int :int]])
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(ffi/defbind return-struct [:int :int]
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[i :int])
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(ffi/defbind intintint-fn :int
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[x :double iii intintint])
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(ffi/defbind struct-big big
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[i :int d :double])
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(ffi/defbind void-fn :void [])
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(ffi/defbind double-lots-2 :double
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[a :double
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b :double
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c :double
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d :double
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e :double
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f :double
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g :double
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h :double
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i :double
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j :double])
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(ffi/defbind void-fn-2 :void [y :double])
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(ffi/defbind intintint-fn-2 :int [iii intintint i :int])
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(ffi/defbind split-fn :float [s split])
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(ffi/defbind split-flip-fn :float [s split-flip])
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(ffi/defbind split-ret-fn split [x :int y :float])
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(ffi/defbind split-flip-ret-fn split-flip [x :int y :float])
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(ffi/defbind sixints-fn six-ints [])
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(ffi/defbind sixints-fn-2 :int [x :int s six-ints])
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(ffi/defbind sixints-fn-3 :int [s six-ints x :int])
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#
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# Struct reading and writing
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#
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(defn check-round-trip
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[t value]
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(def buf (ffi/write t value))
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(def same-value (ffi/read t buf))
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(assert (deep= value same-value)
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(string/format "round trip %j (got %j)" value same-value)))
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(check-round-trip :bool true)
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(check-round-trip :bool false)
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(check-round-trip :void nil)
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(check-round-trip :void nil)
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(check-round-trip :s8 10)
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(check-round-trip :s8 0)
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(check-round-trip :s8 -10)
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(check-round-trip :u8 10)
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(check-round-trip :u8 0)
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(check-round-trip :s16 10)
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(check-round-trip :s16 0)
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(check-round-trip :s16 -12312)
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(check-round-trip :u16 10)
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(check-round-trip :u16 0)
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(check-round-trip :u32 0)
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(check-round-trip :u32 10)
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(check-round-trip :u32 0xFFFF7777)
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(check-round-trip :s32 0x7FFF7777)
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(check-round-trip :s32 0)
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(check-round-trip :s32 -1234567)
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(def s (ffi/struct :s8 :s8 :s8 :float))
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(check-round-trip s [1 3 5 123.5])
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(check-round-trip s [-1 -3 -5 -123.5])
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#
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# Call functions
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#
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(tracev (sixints-fn))
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(tracev (sixints-fn-2 100 [1 2 3 4 5 6]))
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(tracev (sixints-fn-3 [1 2 3 4 5 6] 200))
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(tracev (split-ret-fn 10 12))
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(tracev (split-flip-ret-fn 10 12))
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(tracev (split-flip-ret-fn 12 10))
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(tracev (intintint-fn-2 [10 20 30] 3))
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(tracev (split-fn [5 6 1.2 3.4]))
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(tracev (void-fn-2 10.3))
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(tracev (double-many 1 2 3 4 5 6))
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(tracev (string/format "%.17g" (double-many 1 2 3 4 5 6)))
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(tracev (type (double-many 1 2 3 4 5 6)))
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(tracev (double-lots-2 0 1 2 3 4 5 6 7 8 9))
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(tracev (void-fn))
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(tracev (int-fn 10 20))
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(tracev (double-fn 1.5 2.5 3.5))
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(tracev (double-lots 1 2 3 4 5 6 7 8 9 10))
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(tracev (float-fn 8 4 17))
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(tracev (intint-fn 123.456 [10 20]))
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(tracev (intintint-fn 123.456 [10 20 30]))
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(tracev (return-struct 42))
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(tracev (double-lots 1 2 3 4 5 6 700 800 9 10))
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(tracev (struct-big 11 99.5))
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(assert (= [10 10 12 12] (split-ret-fn 10 12)))
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(assert (= [12 12 10 10] (split-flip-ret-fn 10 12)))
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(assert (= 183 (intintint-fn-2 [10 20 31] 3)))
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(assert (= 264 (math/round (* 10 (split-fn [5 6 1.2 3.4])))))
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(assert (= 9876543210 (double-lots-2 0 1 2 3 4 5 6 7 8 9)))
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(assert (= 60 (int-fn 10 20)))
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(assert (= 42 (double-fn 1.5 2.5 3.5)))
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(assert (= 21 (math/round (double-many 1 2 3 4 5 6.01))))
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(assert (= 19 (double-lots 1 2 3 4 5 6 7 8 9 10)))
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(assert (= 204 (float-fn 8 4 17)))
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(print "Done.")
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