coffi/test/clj/coffi/mem_test.clj
2024-10-30 20:58:23 +01:00

136 lines
4.1 KiB
Clojure

(ns coffi.mem-test
(:require
[clojure.test :as t]
[coffi.ffi :as ffi]
[coffi.layout :as layout]
[coffi.mem :as mem])
(:import
(java.lang.foreign
AddressLayout
Arena
MemoryLayout
MemorySegment
MemorySegment$Scope
SegmentAllocator
ValueLayout
ValueLayout$OfByte
ValueLayout$OfShort
ValueLayout$OfInt
ValueLayout$OfLong
ValueLayout$OfChar
ValueLayout$OfFloat
ValueLayout$OfDouble)
(java.lang.ref Cleaner)
(java.nio ByteOrder)))
(ffi/load-library "target/ffi_test.so")
(t/deftest can-serialize-string
(t/is
(instance? MemorySegment (mem/serialize "this is a string" ::mem/c-string))))
(t/deftest can-define-struct
(t/is
(eval
`(mem/defstruct ~'TestType [::mem/int ~'a ::mem/byte ~'b]))))
(mem/defstruct TestType [::mem/int a ::mem/byte b ::mem/short c])
(t/deftest can-initialize-struct
(t/is (TestType. 5 10 15)))
(t/deftest can-use-common-map-functions
(let [v1 (TestType. 5 10 15)
v2 (TestType. 6 11 16)]
(t/are [x y] (= x (y v1))
5 :a
10 :b
15 :c
5 (fn [v] (v :a))
10 (fn [v] (v :b))
15 (fn [v] (v :c))
5 #(get % :a)
10 #(get % :b)
15 #(get % :c)
20 #(get % :d 20)
nil #(get % :d)
[:a :b :c] keys
[5 10 15] vals
{:a 5 :c 15} #(dissoc % :b)
{:a 5 :b 10 :c 0} #(assoc % :c 0)
{:a 5 :b 10 :c 15 :d 20} #(assoc % :d 20)
[[:a 5] [:b 10] [:c 15]] seq
{:a 5 :b 10 :c 15 :d 20} #(merge % {:d 20})
{:a [5 6] :b [10 11] :c [15 16]} #(merge-with vector % {:a 6 :b 11 :c 16})
{:a [5 6] :b [10 11] :c [15 16]} #(merge-with vector % v2)
[:a 5] #(find % :a)
nil #(find % :d)
{:a 5 :b 10 :c 15} identity
v1 identity
v1 (fn [s] {:a 5 :b 10 :c 15}))))
(t/deftest can-serialize-struct-type
(t/is
(instance? MemorySegment (mem/serialize (TestType. 5 10 15) ::TestType))))
(t/deftest can-deserialize-struct-type
(t/is
(= {:a 5 :b 10 :c 15}
(mem/deserialize (mem/serialize (TestType. 5 10 15) ::TestType) ::TestType))))
(mem/defstruct NestedTestType [::mem/int x ::mem/byte y ::TestType z])
(t/deftest can-instantiated-nested-structs
(t/is
(= {:x 5 :y 6 :z {:a 5 :b 10 :c 15}}
(NestedTestType. 5 6 (TestType. 5 10 15)))))
(t/deftest can-define-structs-with-array-members
(t/is
(eval
`(mem/defstruct ~'ArrayTestType [::mem/int ~'x ::mem/byte ~'y [::mem/array ::mem/int 4] ~'z]))))
(mem/defstruct ArrayTestType [::mem/int x ::mem/byte y [::mem/array ::mem/int 4] z])
(t/deftest can-instantiated-array-member-structs
(t/are [x y z] (z x (y (ArrayTestType. 5 6 (int-array [1 2 3 4]))))
{:x 5 :y 6} #(dissoc % :z) =
(int-array [1 2 3 4]) :z java.util.Arrays/equals))
(t/deftest can-serialize-array-struct
(t/is
(= [5 6 1 2 3 4]
(vec (filter #(not= 0 %) (vec (.toArray (mem/serialize (ArrayTestType. 5 6 (int-array [1 2 3 4])) ::ArrayTestType) mem/byte-layout)))))))
(t/deftest can-serialize-deserialize-array-struct
(t/is
(java.util.Arrays/equals
(int-array [1 2 3 4])
(.z (mem/deserialize (mem/serialize (ArrayTestType. 5 6 (int-array [1 2 3 4])) ::ArrayTestType) ::ArrayTestType)))))
(mem/defstruct ComplexTestType [[::mem/array ::ArrayTestType 4] x ::mem/byte y [::mem/array ::mem/int 4] z ::NestedTestType w])
(t/deftest can-serialize-deserialize-complex-struct-type
(t/is
(let [x (object-array (map #(ArrayTestType. % % (int-array (range 4))) (range 4)))
y 12
z (int-array (range 4))
w (NestedTestType. 5 6 (TestType. 5 10 15))]
(->
(ComplexTestType. x y z w)
(mem/serialize ::ComplexTestType)
(mem/deserialize ::ComplexTestType)))))
(mem/defstruct ComplexTestTypeWrapped [[::mem/array ::ArrayTestType 4] x ::mem/byte y [::mem/array ::mem/int 4] z ::NestedTestType w] :raw-arrays? false)
(t/deftest can-serialize-deserialize-complex-wrapped-struct-type
(t/is
(let [x (vec (map #(ArrayTestType. % % (int-array (range 4))) (range 4)))
y 12
z (vec (range 4))
w (NestedTestType. 5 6 (TestType. 5 10 15))]
(->
(ComplexTestTypeWrapped. x y z w)
(mem/serialize ::ComplexTestTypeWrapped)
(mem/deserialize ::ComplexTestTypeWrapped)))))