def test_instantiate_basic2(): l1 = make_linklet("(linklet () ((x1 x6)) (define-values (x1) 4))") t = inst(l1, []) l2 = make_linklet("(linklet () ((x2 x6)) (+ x2 x2))") result, t = eval_fixnum(l2, t) assert result == 8 assert check_val(t, "x6", 4)
def test_instantiate_target_def_stays_the_same(): # if linklet doesn't export, then target's def stay the same l = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") t = make_instance( "(linklet () () (define-values (x) 1) (define-values (y) 2))") result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 1) assert check_val(t, "y", 2) # use the local var, don't change target's var if you don't export l = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") t1 = make_instance("(linklet () () (define-values (x) 10))") t2 = make_instance("(linklet () (x) (define-values (x) 10))") result1, t1 = eval_fixnum(l, t1) result2, t2 = eval_fixnum(l, t2) assert result1 == 8 and result2 == 8 assert check_val(t1, "x", 10) assert check_val(t2, "x", 10) # imported variables doesn't get into target at all ... l1 = make_instance("(linklet () (x) (define-values (x) 4))") l2 = make_linklet("(linklet ((x)) () (+ x x))") result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 assert not defines(t, "x") # ... let alone overwrite any var inside the target l1 = make_instance("(linklet () (x) (define-values (x) 4))") l2 = make_linklet("(linklet ((x)) () (+ x x))") t = make_instance("(linklet () () (define-values (x) 1))") result, t = eval_fixnum(l2, t, [l1]) assert result == 8 assert check_val(t, "x", 1)
def test_instantiate_eval_define_values(): l = make_linklet("(linklet () ((x x15)) (define-values (x) 4) (+ x x))") t = inst(make_linklet("(linklet () ((x x16)) (define-values (x) 1000))")) _, t = eval_fixnum(l, t) assert defines(t, "x15") and defines(t, "x16") and not defines(t, "x") assert check_val(t, "x15", 4) assert check_val(t, "x16", 1000)
def test_continuation_marks_across_linklets(): l1 = inst(make_linklet("""(linklet () (f) (define-values (f) (lambda (c) (if (eq? (continuation-mark-set-first #f parameterization-key) c) 1 -1))))""")) l2 = make_linklet("""(linklet ((f)) () (f (continuation-mark-set-first #f parameterization-key)))""") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 1 l1 = inst(make_linklet("""(linklet () (f) (define-values (f) (lambda (c) (if (eq? c (continuation-mark-set-first #f parameterization-key)) 1 -1))))""")) l2 = make_linklet("""(linklet ((f)) () (define-values (caner) (make-parameter #f)) (define-values (new-params) (extend-parameterization (continuation-mark-set-first #f parameterization-key) caner 11)) (with-continuation-mark parameterization-key new-params (car (list (f new-params)))) )""") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 1
def test_instantiate_lets_and_scopes(): l = make_linklet( "(linklet () () (letrec-values (((fact) (lambda (n) (if (<= n 1) 1 (* n (fact (- n 1))))))) (fact 5)))" ) result, _ = eval_fixnum(l, empty_target()) assert result == 120 l1 = make_instance( "(linklet () (add2) (define-values (add) (lambda (x) (lambda (y) (+ x y)))) (define-values (add2) (add 2)))" ) l2 = make_linklet("(linklet ((add2)) () (add2 6))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 l = make_linklet( "(linklet () () ((((lambda (x) (lambda (x) (lambda (y) (+ x y)))) 1) 2) 3))" ) result, _ = eval_fixnum(l, empty_target()) assert result == 5 l = make_linklet( "(linklet () () (let-values (((x) (let-values (((x) 2)) (+ x x)))) (+ x x)))" ) result, _ = eval_fixnum(l, empty_target()) assert result == 8
def test_vector_set_through_a_closure2(): t = inst(make_linklet("(linklet () (x g) (define-values (x) (make-vector 20 0)) (define-values (g) (lambda (i y) (vector-set! x i y))))")) l1 = make_linklet("(linklet () (x g) (g 5 42) (vector-ref x 5))") result1, _ = eval_fixnum(l1, t) assert result1 == 42 l2 = make_linklet("(linklet () (x g) (g 15 1000) (+ (vector-ref x 15) (vector-ref x 5)))") result2, _ = eval_fixnum(l2, t) assert result2 == 1042
def test_instantiate_closure_capture_and_reset1(): l1 = inst(make_linklet("(linklet () (x) (define-values (x) -1))")) l2 = inst(make_linklet("(linklet ((x)) (g) (define-values (g) (lambda (p) x)))"), [l1]) l3 = make_linklet("(linklet ((g)) (x) (set! x 5) (g 1000))") t = make_instance({'x':2000}) result, t = eval_fixnum(l3, t, [l2]) assert check_val(t, "x", 5) assert result == -1
def test_instantiate_closure_capture_and_reset3_5_order_matters(): l2 = make_linklet("(linklet () (y) (define-values (y) 10) (set! y 50))", "l2") t2 = empty_target("t2") _, t2 = eval_fixnum(l2, t2, []) l4 = make_linklet("(linklet () (y) (define-values (y) 90) (define-values (z) (+ y y)) (set! y 200) z)") result, t2 = eval_fixnum(l4, t2) assert result == 180 assert check_val(t2, "y", 200)
def test_instantiate_closure_capture_and_reset4(): l2 = make_linklet("(linklet () (y g) (define-values (y) 10) (define-values (g) (lambda () y)) (set! y 50))", "l2") t2 = empty_target("t2") _, t2 = eval_fixnum(l2, t2, []) l4 = make_linklet("(linklet () (y g) (set! y 200) (define-values (y) 90) (g))") result, t2 = eval_fixnum(l4, t2) assert result == 90 assert check_val(t2, "y", 90)
def test_instantiate_small_list(): # boxed immutable hash table (small-list.rkt) l1 = inst(make_linklet("(linklet () (h) (define-values (h) (box (hasheq))))")) l2 = make_linklet("(linklet ((h)) () (set-box! h (hash-set (unbox h) \"a\" 5)) (hash-ref (unbox h) \"a\" #f))") result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 5 result, _ = eval_fixnum(make_linklet("(linklet ((h)) () (hash-ref (unbox h) \"a\" #f))"), t, [l1]) assert result == 5
def test_instantiate_export_rename(): l1 = inst(make_linklet("(linklet () ((x1 x)) (define-values (x1) 4))")) l2 = make_linklet("(linklet ((x)) ((y1 y)) (define-values (y1) x) (+ x y1))") assert check_val(l1, "x", 4) result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 assert check_val(t, "y", 4) assert not defines(t, "x")
def test_instantiate_closure_capture_and_reset2(): l1 = inst(make_linklet("(linklet () (x) (define-values (x) -11))")) l2 = inst( make_linklet( "(linklet ((x)) (g) (define-values (y) 131) (define-values (g) (lambda (p) (+ x y))) (set! y 71))" ), [l1]) l3 = make_linklet("(linklet ((g)) () (g -1))") result, t = eval_fixnum(l3, empty_target(), [l2]) assert result == 60
def test_vector_set_a_constant(): l = make_linklet("(linklet () (x) (define-values (x) (make-vector 20 0)))") t = empty_target() inst(l, target=t) l2 = make_linklet("(linklet () (x) (vector-set! x 0 1000))") inst(l2, target=t) l3 = make_linklet("(linklet () (x) (vector-ref x 0))") result, _ = eval_fixnum(l3, t) assert result == 1000
def test_vector_set_through_a_closure3(): sl = make_linklet("(linklet () (x g) (define-values (x) (make-vector 20 1)) (define-values (g) (lambda (i y) (vector-set! x i y))))") t = empty_target() inst(sl, target=t) t2 = empty_target() inst(sl, target=t2) l = make_linklet("(linklet () (x g) (g 5 42) (vector-ref x 5))") result1, _ = eval_fixnum(l, t) assert result1 == 42
def test_instantiate_export_rename(): l1 = inst(make_linklet("(linklet () ((x1 x)) (define-values (x1) 4))")) l2 = make_linklet( "(linklet ((x)) ((y1 y)) (define-values (y1) x) (+ x y1))") assert check_val(l1, "x", 4) result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 assert check_val(t, "y", 4) assert not defines(t, "x")
def test_reinstantiation4(): l1 = make_linklet("(linklet () (y) (define-values (x) (+ 10 y)) (set! x y) x)") t1 = inst(make_linklet("(linklet () (y) (define-values (y) 30) (set! y 30))")) t2 = inst(make_linklet("(linklet () (y) (define-values (y) 40) (set! y 40))")) result1, _ = eval_fixnum(l1, t1) result2, _ = eval_fixnum(l1, t2) assert result1 == 30 assert result2 == 40
def test_compilation_context_normalize_term(): # Context.normalize_term might be faulty l = make_linklet("(linklet () () (let-values (((x) 5)) (+ x (let-values (((x) 10)) x))))") result, _ = eval_fixnum(l, empty_target()) assert result == 15 l = make_linklet("(linklet () () (let-values (((x) 5)) (+ x (let-values (((x) 10)) (+ x (let-values (((x) 20) ((y) 21)) (+ x y)))))))") result, _ = eval_fixnum(l, empty_target()) assert result == 56
def test_instantiate_basic_export(): l1 = make_instance("(linklet () (a) (define-values (a) 4))") l2 = make_linklet("(linklet ((a)) () (+ a a))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 l1 = make_instance("(linklet () ((a1 a)) (define-values (a1) 4))") l2 = make_linklet("(linklet ((a)) () (+ a a))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8
def test_instantiate_basic_export(): l1 = inst(make_linklet("(linklet () (a) (define-values (a) 4))")) l2 = make_linklet("(linklet ((a)) () (+ a a))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 l1 = inst(make_linklet("(linklet () ((a1 a)) (define-values (a1) 4))")) l2 = make_linklet("(linklet ((a)) () (+ a a))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8
def test_reinstantiation3(): l1 = make_linklet( "(linklet () (y) (define-values (x) (+ 10 y)) (set! x y) x)") t1 = inst(make_linklet("(linklet () (y) (define-values (y) 30))")) t2 = inst(make_linklet("(linklet () (y) (define-values (y) 40))")) result1, _ = eval_fixnum(l1, t1) result2, _ = eval_fixnum(l1, t2) assert result1 == 30 assert result2 == 40
def test_instantiate_closure_capture_and_reset1(): l1 = inst(make_linklet("(linklet () (x) (define-values (x) -1))")) l2 = inst( make_linklet("(linklet ((x)) (g) (define-values (g) (lambda (p) x)))"), [l1]) l3 = make_linklet("(linklet ((g)) (x) (set! x 5) (g 1000))") t = make_instance({'x': 2000}) result, t = eval_fixnum(l3, t, [l2]) assert check_val(t, "x", 5) assert result == -1
def test_instantiate_target(): l = make_linklet("(linklet () (x) (define-values (x) 4) (+ x x))") result, t = eval_fixnum(l, empty_target()) assert result == 8 assert check_val(t, "x", 4) # even if linklet doesn't export, def goes into target if it doesn't already have it l2 = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") result2, t2 = eval_fixnum(l2, empty_target()) assert result2 == 8 assert check_val(t2, "x", 4)
def test_vector_set_through_a_closure(): t = inst( make_linklet( "(linklet () (x g) (define-values (x) (make-vector 20 0)) (define-values (g) (lambda (y) (vector-set! x 5 y))))" )) l1 = make_linklet("(linklet () (x g) (g 42) (vector-ref x 5))") result1, _ = eval_fixnum(l1, t) assert result1 == 42 l2 = make_linklet("(linklet () (x g) (g 1000) (vector-ref x 5))") result2, _ = eval_fixnum(l2, t) assert result2 == 1000
def test_instantiate_discarding_defs(): l = inst(make_linklet("(linklet () ((x x15)) (define-values (x) 4) (define-values (x15) 75))")) assert not defines(l, "x") assert check_val(l, "x15", 4) #### Not 75! #k,v = get_var_val(l, "x15.1") # uninterned #assert v.value == 75 l = inst(make_linklet("(linklet () ((x x15) k) (define-values (x) 4) (define-values (x15) 75) (define-values (k) x15))")) assert not defines(l, "x") assert check_val(l, "x15", 4) #### Not 75! assert check_val(l, "k", 75) #### Not 4!
def test_instantiate_defs_export_names(): l = inst(make_linklet("(linklet () ((x x15)) (define-values (x) 4))")) assert not defines(l, "x") assert defines(l, "x15") # LinkletVars will be referred by the external name (e.g. (+ x15 x15) l = make_linklet("(linklet () ((x x15)) (define-values (x) 4) (+ x x))") result, t = eval_fixnum(l, empty_target()) assert result == 8 assert not defines(t, "x") assert defines(t, "x15")
def test_vector_set_through_a_closure3(): sl = make_linklet( "(linklet () (x g) (define-values (x) (make-vector 20 1)) (define-values (g) (lambda (i y) (vector-set! x i y))))" ) t = empty_target() inst(sl, target=t) t2 = empty_target() inst(sl, target=t2) l = make_linklet("(linklet () (x g) (g 5 42) (vector-ref x 5))") result1, _ = eval_fixnum(l, t) assert result1 == 42
def test_instantiate_closure_capture_and_reset3_5_order_matters(): l2 = make_linklet("(linklet () (y) (define-values (y) 10) (set! y 50))", "l2") t2 = empty_target("t2") _, t2 = eval_fixnum(l2, t2, []) l4 = make_linklet( "(linklet () (y) (define-values (y) 90) (define-values (z) (+ y y)) (set! y 200) z)" ) result, t2 = eval_fixnum(l4, t2) assert result == 180 assert check_val(t2, "y", 200)
def test_instantiate_closure_capture_and_reset4(): l2 = make_linklet( "(linklet () (y g) (define-values (y) 10) (define-values (g) (lambda () y)) (set! y 50))", "l2") t2 = empty_target("t2") _, t2 = eval_fixnum(l2, t2, []) l4 = make_linklet( "(linklet () (y g) (set! y 200) (define-values (y) 90) (g))") result, t2 = eval_fixnum(l4, t2) assert result == 90 assert check_val(t2, "y", 90)
def test_instantiate_use_targets_def(): l = make_linklet("(linklet () (x) (+ x x))") t = make_instance({'x':10}) result, _ = eval_fixnum(l, t) assert result == 20 # use linklet's definition if both linklet and target have it l = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") # doesn't export x t = make_instance({'x':10}) result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 10)
def test_instantiate_small_list(): # boxed immutable hash table (small-list.rkt) l1 = make_instance("(linklet () (h) (define-values (h) (box (hasheq))))") l2 = make_linklet( "(linklet ((h)) () (set-box! h (hash-set (unbox h) \"a\" 5)) (hash-ref (unbox h) \"a\" #f))" ) result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 5 result, _ = eval_fixnum( make_linklet("(linklet ((h)) () (hash-ref (unbox h) \"a\" #f))"), t, [l1]) assert result == 5
def test_compilation_context_normalize_term(): # Context.normalize_term might be faulty l = make_linklet( "(linklet () () (let-values (((x) 5)) (+ x (let-values (((x) 10)) x))))" ) result, _ = eval_fixnum(l, empty_target()) assert result == 15 l = make_linklet( "(linklet () () (let-values (((x) 5)) (+ x (let-values (((x) 10)) (+ x (let-values (((x) 20) ((y) 21)) (+ x y)))))))" ) result, _ = eval_fixnum(l, empty_target()) assert result == 56
def test_instantiate_set_bang(): l = make_linklet("(linklet () () (define-values (x) 3) (set! x 5) (+ x x))") t = make_instance({'x':6}) result, t = eval_fixnum(l, t) assert defines(t, "x") assert check_val(t, "x", 6) assert result == 10 l = make_linklet("(linklet () (x) (set! x 5) (+ x x))") t = make_instance({'x':3}) result, t = eval_fixnum(l, t) assert check_val(t, "x", 5) assert result == 10
def test_vector_set_through_a_closure_reinstantiate(): sl = make_linklet("(linklet () (x g) (define-values (x) (make-vector 20 1)) (define-values (g) (lambda (i y) (vector-set! x i y))))") t1 = empty_target() inst(sl, target=t1) t2 = empty_target() inst(sl, target=t2) l1 = make_linklet("(linklet () (x g) (g 5 42) (vector-ref x 5))") result1, _ = eval_fixnum(l1, t1) assert result1 == 42 l2 = make_linklet("(linklet () (x g) (g 10 1000) (+ (vector-ref x 5) (vector-ref x 10)))") result2, _ = eval_fixnum(l2, t2) assert result2 == 1001
def test_instantiate_use_targets_def(): l = make_linklet("(linklet () (x) (+ x x))") t = make_instance("(linklet () () (define-values (x) 10))") result, _ = eval_fixnum(l, t) assert result == 20 # use linklet's definition if both linklet and target have it l = make_linklet( "(linklet () () (define-values (x) 4) (+ x x))") # doesn't export x t = make_instance("(linklet () () (define-values (x) 10))") result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 10)
def test_instantiate_set_bang(): l = make_linklet( "(linklet () () (define-values (x) 3) (set! x 5) (+ x x))") t = make_instance("(linklet () () (define-values (x) 6))") result, t = eval_fixnum(l, t) assert defines(t, "x") assert check_val(t, "x", 6) assert result == 10 l = make_linklet("(linklet () (x) (set! x 5) (+ x x))") t = make_instance("(linklet () () (define-values (x) 3))") result, t = eval_fixnum(l, t) assert check_val(t, "x", 5) assert result == 10
def test_wcm_make_env2(): l = """ (linklet () () (define-values (p) (lambda (x y) (+ x y))) (define-values (last) (lambda (l) ((letrec-values (((loop) (lambda (l x) (if (pair? x) (loop x (cdr x)) (car l))))) loop) l (cdr l)))) (define-values (h) (lambda (a b) (with-continuation-mark (quote xxx) (last (list a b)) (apply p (list a b))))) (h 1 2)) """ r2, t2 = eval_fixnum(make_linklet(l), empty_target()) print r2 assert r2 == 3
def test_instantiate_target_def_overwrite(): l = make_linklet("(linklet () (x) (define-values (x) 4) (+ x x))") t = make_instance({'x':1,'y':2}) result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 4) assert check_val(t, "y", 2)
def test_make_prefab_predicate(): l = """ (linklet () () (define-values (struct:a make-a a? a-b a-c) (let-values (((struct: make- ? -ref -set!) (make-struct-type (quote a) #f 2 0 #f null (quote prefab) #f (quote (0 1)) #f (quote a)))) (values struct: make- ? (make-struct-field-accessor -ref 0 (quote b)) (make-struct-field-accessor -ref 1 (quote c))))) (define-values (v0) (make-prefab-struct (quote a) 1 2)) (a? v0)) """ r, t = eval_bool(make_linklet(l), empty_target()) assert r
def test_instantiate_target_transfer_set_banged(): l2 = make_linklet("(linklet () (y) (define-values (y) 10) (set! y 50))", "l2") t1 = empty_target("t1") t2 = empty_target("t2") _, t1 = eval_fixnum(l2, t1, []) _, t2 = eval_fixnum(l2, t2, []) assert check_val(t2, "y", 50)
def test_instantiate_target_def_overwrite(): l = make_linklet("(linklet () (x) (define-values (x) 4) (+ x x))") t = make_instance({'x': 1, 'y': 2}) result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 4) assert check_val(t, "y", 2)
def test_instantiate_define_var_set_banged_elsewhere(): li = make_linklet( "(linklet () (x t) (define-values (g) (lambda () (set! t 10))) (define-values (t) 50) (g) t)" ) result, t = eval_fixnum(li, empty_target()) assert result == 10 assert check_val(t, "t", 10)
def test_instantiate_letrec_rhs_cells(): l1 = make_linklet("(linklet () () (define-values (k) (lambda (stx_32) (letrec-values (((e) 1)((x) (+ stx_32 e))) x))) (k 5))") result1, _ = eval_fixnum(l1, empty_target()) assert result1 == 6 l2 = make_linklet("(linklet () () (define-values (k) (lambda (stx_32) (letrec-values (((e) 1)((x) (+ stx_32 e))((p) ((lambda (x) x) x))) p))) (k 5))") result2, _ = eval_fixnum(l2, empty_target()) assert result2 == 6 l3 = make_linklet("(linklet () () (define-values (k) (lambda (stx_32) (letrec-values (((e) 1)((x) (+ stx_32 e))((p) ((lambda (x) (letrec-values (((u) e)) u)) x))) p))) (k 5))") result3, _ = eval_fixnum(l3, empty_target()) assert result3 == 1 l4 = make_linklet("(linklet () () (let-values () (letrec-values (((f) (lambda (p) (g (- p 1)))) ((g) (lambda (k) (if (zero? k) 1 (f k))))) (g 100))))") result4, _ = eval_fixnum(l4, empty_target()) assert result4 == 1
def test_instantiate_target_always_overwrite(): # if target doesn't have it, then it doesn't matter if linklet exports or not, # put the variable in the target l = make_linklet("(linklet () () (define-values (z) 4) z)") result, t = eval_fixnum(l, empty_target()) assert result == 4 assert check_val(t, "z", 4)
def test_instantiate_discarding_defs(): l = inst( make_linklet( "(linklet () ((x x15)) (define-values (x) 4) (define-values (x15) 75))" )) assert not defines(l, "x") assert check_val(l, "x15", 4) #### Not 75! #k,v = get_var_val(l, "x15.1") # uninterned #assert v.value == 75 l = inst( make_linklet( "(linklet () ((x x15) k) (define-values (x) 4) (define-values (x15) 75) (define-values (k) x15))" )) assert not defines(l, "x") assert check_val(l, "x15", 4) #### Not 75! assert check_val(l, "k", 75) #### Not 4!
def test_reinstantiation1(): l1 = make_linklet("(linklet () (y) (define-values (x) (+ 10 y)) x)") t1 = make_instance({'y': 30}) t2 = make_instance({'y': 40}) result1, _ = eval_fixnum(l1, t1) result2, _ = eval_fixnum(l1, t2) assert result1 == 40 assert result2 == 50
def test_reinstantiation2(): l1 = make_linklet("(linklet () (y) (define-values (x) (+ 10 y)) (set! x y) x)") t1 = make_instance({'y':30}) t2 = make_instance({'y':40}) result1, _ = eval_fixnum(l1, t1) result2, _ = eval_fixnum(l1, t2) assert result1 == 30 assert result2 == 40
def test_vector_set_through_a_closure_reinstantiate(): sl = make_linklet( "(linklet () (x g) (define-values (x) (make-vector 20 1)) (define-values (g) (lambda (i y) (vector-set! x i y))))" ) t1 = empty_target() inst(sl, target=t1) t2 = empty_target() inst(sl, target=t2) l1 = make_linklet("(linklet () (x g) (g 5 42) (vector-ref x 5))") result1, _ = eval_fixnum(l1, t1) assert result1 == 42 l2 = make_linklet( "(linklet () (x g) (g 10 1000) (+ (vector-ref x 5) (vector-ref x 10)))" ) result2, _ = eval_fixnum(l2, t2) assert result2 == 1001
def test_instantiate_lets_and_scopes(): l = make_linklet("(linklet () () (letrec-values (((fact) (lambda (n) (if (<= n 1) 1 (* n (fact (- n 1))))))) (fact 5)))") result, _ = eval_fixnum(l, empty_target()) assert result == 120 l1 = inst(make_linklet("(linklet () (add2) (define-values (add) (lambda (x) (lambda (y) (+ x y)))) (define-values (add2) (add 2)))")) l2 = make_linklet("(linklet ((add2)) () (add2 6))") result, _ = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 l = make_linklet("(linklet () () ((((lambda (x) (lambda (x) (lambda (y) (+ x y)))) 1) 2) 3))") result, _ = eval_fixnum(l, empty_target()) assert result == 5 l = make_linklet("(linklet () () (let-values (((x) (let-values (((x) 2)) (+ x x)))) (+ x x)))") result, _ = eval_fixnum(l, empty_target()) assert result == 8
def test_instantiate_target_def_stays_the_same(): # if linklet doesn't export, then target's def stay the same l = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") t = make_instance({'x':1,'y':2}) result, t = eval_fixnum(l, t) assert result == 8 assert check_val(t, "x", 1) assert check_val(t, "y", 2) # use the local var, don't change target's var if you don't export l = make_linklet("(linklet () () (define-values (x) 4) (+ x x))") t1 = inst(make_linklet("(linklet () (x) (define-values (x) 10))")) t2 = inst(make_linklet("(linklet () (x) (define-values (x) 10))")) result1, t1 = eval_fixnum(l, t1) result2, t2 = eval_fixnum(l, t2) assert result1 == 8 and result2 == 8 assert check_val(t1, "x", 10) assert check_val(t2, "x", 10) # imported variables doesn't get into target at all ... l1 = inst(make_linklet("(linklet () (x) (define-values (x) 4))")) l2 = make_linklet("(linklet ((x)) () (+ x x))") result, t = eval_fixnum(l2, empty_target(), [l1]) assert result == 8 assert not defines(t, "x") # ... let alone overwrite any var inside the target l1 = make_instance({'x':4}) l2 = make_linklet("(linklet ((x)) () (+ x x))") t = make_instance({'x':1}) result, t = eval_fixnum(l2, t, [l1]) assert result == 8 assert check_val(t, "x", 1)
def test_instantiate_uninitialize_undefined_exports(): l = make_linklet("(linklet () (x))") _, t = eval_fixnum(l, empty_target()) assert t.vars[W_Symbol.make("x")].val is w_uninitialized # don't touch if target has it l = make_linklet("(linklet () (x))") t = make_instance({'x':10}) _, t = eval_fixnum(l, t) assert t.vars[W_Symbol.make("x")].val is not w_uninitialized # target exports the same var with another external name l = make_linklet("(linklet () (x2) (+ x2 x2))") t = inst(make_linklet("(linklet () ((x x2)) (define-values (x) 10))")) result, t = eval_fixnum(l, t) assert result == 20 assert check_val(t, "x2", 10) assert not defines(t, "x")
def test_instantiate_closures_and_variables(): l1 = make_instance("(linklet () (x) (define-values (x) 4))") l2 = make_linklet("(linklet ((x)) (g) (define-values (g) (lambda (y) x)))") _, t = eval_fixnum(l2, empty_target(), [l1]) assert defines(t, "g") and not defines(t, "x") # use the modified target l3 = make_linklet("(linklet () (g) (g 5))") result, t = eval_fixnum(l3, t) assert result == 4 # import the closure l1 = make_instance("(linklet () (x) (define-values (x) 4))") l2 = make_instance( "(linklet ((x)) (g) (define-values (g) (lambda (y) x)))", [l1]) l4 = make_linklet("(linklet ((g)) () (g 3))") result, _ = eval_fixnum(l4, empty_target(), [l2]) assert result == 4
def test_reinstantiating_with_different_imports(): imp1 = make_instance({'x':10}) imp2 = make_instance({'x':20}) l = make_linklet("(linklet ((x)) (y) (define-values (y) x) y)") t1 = empty_target() t2 = empty_target() result1, t1 = eval_fixnum(l, t1, [imp1]) result2, t2 = eval_fixnum(l, t2, [imp2]) assert result1 == 10 assert result2 == 20