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macros.carp
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macros.carp
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(load "Test.carp")
(use Test)
; this won’t show up in the test output, sadly
(const-assert true "const-assert works I")
(const-assert (= 1 1) "const-assert works II")
(const-assert (= false (= 1 2)) "const-assert works III")
(defn test-let-do []
(let-do [x 1]
(set! x (+ x 1))
(= x 2)))
(defn test-while-do []
(let-do [i 0
x 0]
(while-do (< i 10)
(set! x (+ x 2))
(set! i (+ i 1)))
(= x 20)))
(defn test-comment []
(let-do [x 1]
(comment (set! x (+ x 1)))
(= x 1)))
(defn test-case-dflt []
(case 1
2 false
true))
(defn test-case-select []
(case 1
1 true
false))
(defn test-case-multi []
(case 1
2 false
(:or 1 3) true
false))
(defmacro test-not [a] (not a))
(defmacro test-< [a b] (< a b))
(defmacro test-> [a b] (> a b))
(defmacro test-= [a b] (= a b))
(defmacro test-gensym []
(let [x (gensym)]
(list 'let (array x 1) (list '= x 1))))
(defmacro test-read-file []
(read-file "test/fixture_file.txt"))
(defmacro test-gensym-with []
(let [x (gensym-with 'a)]
(list 'let (array x 1) (list '= x 1))))
(defmacro test-map []
(let [mapped (Dynamic.map length '((a) (b c) (d e f)))]
(and (= 1 (Dynamic.car mapped)) (= 2 (Dynamic.cadr mapped))
(= 3 (Dynamic.caddr mapped)))))
(defmacro test-zip []
(let [zipped (Dynamic.zip array '('a 'd) '('c 'o) '('e 'g))]
(and (= 'ace (Symbol.concat (eval (Dynamic.car zipped))))
(= 'dog (Symbol.concat (eval (Dynamic.cadr zipped)))))))
(defmodule TestDyn
(defndynamic x [] true))
(defndynamic test-dynamic-use- []
(do
(use TestDyn)
(x)))
(defmacro test-dynamic-use []
(test-dynamic-use-))
(deftest test
(assert-true test
(test-let-do)
"let-do works as expected")
(assert-true test
(test-while-do)
"while-do works as expected")
(assert-true test
(test-case-dflt)
"case correctly selects default")
(assert-true test
(test-case-select)
"case correctly selects branch")
(assert-true test
(test-case-multi)
"case correctly selects multibranch")
(assert-true test
(test-comment)
"comment ignores input")
(assert-true test
(test-not false)
"not macro works as expected")
(assert-false test
(and false true)
"and macro works as expected I")
(assert-true test
(and true true)
"and macro works as expected II")
(assert-false test
(and false (do (System.exit 1) false))
"and macro shortcircuits")
(assert-false test
(or false false)
"or macro works as expected I")
(assert-true test
(or false true)
"or macro works as expected II")
(assert-true test
(or true (do (System.exit 2) false))
"or macro shortcircuits")
(assert-true test
(or true true)
"or macro works as expected III")
(assert-true test
(test-< 1 2)
"< macro works as expected on ints I")
(assert-false test
(test-< 2 2)
"< macro works as expected on ints II")
(assert-true test
(test-< 1l 2l)
"< macro works as expected on longs I")
(assert-false test
(test-< 2l 2l)
"< macro works as expected on longs II")
(assert-true test
(test-< 1.0 2.0)
"< macro works as expected on doubles I")
(assert-false test
(test-< 2.0 2.0)
"< macro works as expected on doubles II")
(assert-true test
(test-< 1.0f 2.0f)
"< macro works as expected on floats I")
(assert-false test
(test-< 2.0f 2.0f)
"< macro works as expected on floats II")
(assert-false test
(test-< 3.0 2.0f)
"< macro works as expected across types I")
(assert-true test
(test-< 1l 2.0f)
"< macro works as expected across types II")
(assert-true test
(test-> 2 1)
"> macro works as expected on ints I")
(assert-false test
(test-> 2 2)
"> macro works as expected on ints II")
(assert-true test
(test-> 2l 1l)
"> macro works as expected on longs I")
(assert-false test
(test-> 2l 2l)
"> macro works as expected on longs II")
(assert-true test
(test-> 2.0 1.0)
"> macro works as expected on doubles I")
(assert-false test
(test-> 2.0 2.0)
"> macro works as expected on doubles II")
(assert-true test
(test-> 2.0f 1.0f)
"> macro works as expected on floats I")
(assert-false test
(test-> 2.0f 2.0f)
"> macro works as expected on floats II")
(assert-true test
(test-> 2 1.0f)
"> macro works as expected across types I")
(assert-false test
(test-> 2.0 3l)
"> macro works as expected across types II")
(assert-true test
(test-= 2 2)
"= macro works as expected on ints I")
(assert-false test
(test-= 2 1)
"= macro works as expected on ints II")
(assert-true test
(test-= 2l 2l)
"= macro works as expected on longs I")
(assert-false test
(test-= 2l 1l)
"= macro works as expected on longs II")
(assert-true test
(test-= 2.0 2.0)
"= macro works as expected on doubles I")
(assert-false test
(test-= 2.0 1.0)
"= macro works as expected on doubles II")
(assert-true test
(test-= 2.0f 2.0f)
"= macro works as expected on floats I")
(assert-false test
(test-= 2.0f 1.0f)
"= macro works as expected on floats II")
(assert-true test
(test-= 2.0f 2)
"= macro works as expected across numeric types I")
(assert-false test
(test-= 2.0 1l)
"= macro works as expected across numeric types II")
(assert-true test
(test-= "erik" "erik")
"= macro works as expected on strings I")
(assert-false test
(test-= "erik" "svedäng")
"= macro works as expected on strings II")
(assert-true test
(test-= veit veit)
"= macro works as expected on symbols I")
(assert-false test
(test-= veit heller)
"= macro works as expected on symbols II")
(assert-false test
(test-= veit "veit")
"= macro works as expected across types")
(assert-false test
(and true true false)
"vararg-and macro works as expected I")
(assert-true test
(and true true true)
"vararg-and macro works as expected II")
(assert-false test
(or false false false)
"vararg-or macro works as expected I")
(assert-true test
(or true false true)
"vararg-or macro works as expected II")
(assert-equal test
"1 thing 2 things"
&(str* 1 " thing " 2 " things")
"str* macro works as expected")
(assert-dynamic-equal test
false
(Project.get-config "echo-c")
"Project.get-config works as expected I")
(assert-dynamic-equal test
"Untitled"
(Project.get-config "title")
"Project.get-config works as expected II")
(assert-dynamic-equal test
'xy
(Symbol.concat ['x 'y])
"Symbol.concat works as expected")
(assert-equal test
"test file contents\n"
(test-read-file)
"Dynamic.read-file works as expected")
(assert-true test
(test-gensym-with)
"gensym-with works as expected")
(assert-true test
(test-gensym)
"gensym works as expected")
(assert-true test
(test-map)
"map works as expected")
(assert-true test
(test-zip)
"zip works as expected")
(assert-dynamic-equal test
3
((Dynamic.curry + 1) 2)
"curry works as expected")
(assert-dynamic-equal test
'Foo.Bar
((Dynamic.flip Symbol.prefix) 'Bar 'Foo)
"filp works as expected")
(assert-dynamic-equal test
'()
((Dynamic.compose Dynamic.empty Dynamic.take) 2 '(1 2 3 4))
"compose works as expected")
(assert-dynamic-equal test
10
(Dynamic.reduce + 0 '(1 2 3 4))
"reduce works as expected")
(assert-dynamic-equal test
'(1 2 3 4)
(Dynamic.unreduce (curry + 1) 0 4 (list))
"unreduce works as expected")
(assert-dynamic-equal test
'(a a a a)
(Dynamic.filter (fn [x] (= 'a x)) '(a b a b a b a b))
"filter works as expected")
(assert-dynamic-equal test
'(4 3 2 1)
(Dynamic.reverse '(1 2 3 4))
"reverse works as expected")
(assert-dynamic-equal test
'()
(Dynamic.empty '(1 2 3 4))
"empty works as expected")
(assert-dynamic-equal test
[]
(Dynamic.empty [1 2 3 4])
"empty works as expected")
(assert-dynamic-equal test
1
(car (Dynamic.take 2 '(1 2 3 4)))
"take works as expected I")
(assert-dynamic-equal test
'()
(cddr (Dynamic.take 2 '(1 2 3 4)))
"take works as expected II")
(assert-dynamic-equal test
45
(let-do [acc 0]
(for [i 0 10]
(set! acc (+ acc i)))
acc)
"while works as expected in dynamic code")
(assert-ref-equal test
@"oy"
(let [x @"hi"]
@(doto &x
(string-set! 0 \o)
(string-set! 1 \y)))
"doto works as expected")
(assert-ref-equal test
@"oy"
(doto-ref @"hi"
(string-set! 0 \o)
(string-set! 1 \y))
"doto-ref works as expected")
(assert-true test
(test-dynamic-use)
"use works as expected in dynamic contexts")
(assert-dynamic-equal test
6
(let [x 1]
(eval
(quasiquote
(+ (unquote x) (+ (unquote-splicing (map inc [1 2])))))))
"quasiquote works as expected")
(assert-dynamic-equal test
6
(let [x 1]
(eval `(+ %x (+ %@(map inc [1 2])))))
"quasiquote reader works as expected")
(assert-dynamic-equal test
12
(eval (postwalk (fn [x] (if (= x '+) '* x))
'(+ 2 (+ 2 3))))
"postwalk works as expected")
(assert-dynamic-equal test
12
(eval (prewalk (fn [x] (if (= x '+) '* x))
'(+ 2 (+ 2 3))))
"prewalk works as expected")
(assert-dynamic-equal test
12
(eval (walk-replace '((+ *)) '(+ 2 (+ 2 3))))
"walk-replace works as expected")
(assert-dynamic-equal test
-1
(neg 1)
"Dynamic.neg works as expected")
(assert-dynamic-equal test
4
(cxr '(1 a 3 d) '(1 2 3 4))
"Dynamic.cxr works as expected I")
(assert-dynamic-equal test
1
(cxr '(0 d 1 a) '(1 2 3 4))
"Dynamic.cxr works as expected II")
(assert-dynamic-equal test
3
(round 3.4)
"Dynamic.round works as expected I")
(assert-dynamic-equal test
3
(round 2.51)
"Dynamic.round works as expected II")
(assert-dynamic-equal test
'("h" "e" "l" "l" "o")
(String.to-list "hello")
"Dynamic.String.to-list works as expected")
(assert-dynamic-equal test
'["h" "e" "l" "l" "o"]
(String.to-array "hello")
"Dynamic.String.to-array works as expected")
(assert-equal test
2
(let-do [src 1 dst 0]
(Unsafe.C.asm addr "mov %1, %0\\n" "add $1, %0\\n" : "=r" (dst) : "r" (src))
(addr)
dst)
"asm works")
)