99 lines
2.3 KiB
Plaintext
99 lines
2.3 KiB
Plaintext
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(fun() {
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## test return variables
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| v1 v2 v3 i a b c d |
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set i 100;
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fun ff(a b :: x y z) {
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set x (+ a b i);
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set y (+ x x);
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set z (+ 999 i);
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set i (* i 10);
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};
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set-r v1 v2 v3 (ff 10 20);
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if (~= v1 130) { printf "ERROR: v1 must be 130\n" } \
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else { printf "OK: v1=%d\n" v1 }
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if (~= v2 260) { printf "ERROR: v2 must be 260\n" } \
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else { printf "OK: v2=%d\n" v2 }
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if (~= v3 1099) { printf "ERROR: v3 must be 1099\n" } \
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else { printf "OK: v3=%d\n" v3 }
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set-r v1 v2 (ff 1 2); ## using 2 return variables only. not assigning to v3
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if (~= v1 1003) { printf "ERROR: v1 must be 1003\n" } \
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else { printf "OK: v1=%d\n" v1 }
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if (~= v2 2006) { printf "ERROR: v2 must be 2006\n" } \
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else { printf "OK: v2=%d\n" v2 }
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if (~= v3 1099) { printf "ERROR: v3 must be 1099\n" } \
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else { printf "OK: v3=%d\n" v3 }
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## test return variables in message sends
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class B {
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var(#class) X1 X2
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set X1 999;
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set X2 888;
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fun[#class] get ( :: x y) {
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set x X1;
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set y X2;
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};
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fun[#class] get2 (inc :: x y) {
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set x (+ X1 inc);
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set y (+ X2 inc);
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};
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};
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set-r a b (B:get);
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set-r c d (B:get2 -100);
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if (~= a 999) { printf "ERROR: a must be 999\n" } \
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else { printf "OK: a=%d\n" a }
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if (~= b 888) { printf "ERROR: b must be 888\n" } \
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else { printf "OK: b=%d\n" b }
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if (~= c 899) { printf "ERROR: c must be 899\n" } \
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else { printf "OK: c=%d\n" c }
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if (~= d 788) { printf "ERROR: d must be 788\n" } \
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else { printf "OK: d=%d\n" d }
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class X {
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var x y
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fun[#class] f(a :: b c) { b := (+ a 10); c := (+ a 20) }
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fun[#classinst] new(z) {
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## multi-variable assignment with return variables to member variables
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[self.x, self.y] := (X:f z)
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return self;
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}
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fun getX() { return self.x }
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fun getY() { return self.y }
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}
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z := (X:new 9)
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if (~= (x := (z:getX)) 19) { printf "ERROR: z:getX must return 19\n" } \
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else { printf "OK: z:getX=%d\n" x }
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if (~= (y := (z:getY)) 29) { printf "ERROR: z:getX must return 29\n" } \
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else { printf "OK: z:getY=%d\n" y }
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});
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## create a new binary operator message returning two output values
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fun Number:// (x :: quo rem) {
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quo := (/ self x)
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rem := (- self (* quo x))
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}
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[q,r] := (123 // 4)
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if (~= q 30) { printf "ERROR: q is not 30" } \
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else { printf "OK: q is %d\n" q }
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if (~= r 3) { printf "ERROR: r is not 3" } \
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else { printf "OK: r is %d\n" r }
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