hcl/t/retvar-01.hcl
hyung-hwan e0e86d5463
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added a test case for mutlivariable assignment to instance variables
2024-08-29 19:05:21 +09:00

74 lines
1.7 KiB
HCL

(fun() {
## test return variables
| v1 v2 v3 i a b c d |
set i 100;
defun ff(a b :: x y z) {
set x (+ a b i);
set y (+ x x);
set z (+ 999 i);
set i (* i 10);
};
set-r v1 v2 v3 (ff 10 20);
if (/= v1 130) { printf "ERROR: v1 must be 130\n" };
if (/= v2 260) { printf "ERROR: v2 must be 260\n" };
if (/= v3 1099) { printf "ERROR: v3 must be 1099\n" };
printf "OK v1=%d v2=%d v3=%d\n" v1 v2 v3;
set-r v1 v2 (ff 1 2); ## using 2 return variables only. not assigning to v3
if (/= v1 1003) { printf "ERROR: v1 must be 1003\n" };
if (/= v2 2006) { printf "ERROR: v2 must be 2006\n" };
if (/= v3 1099) { printf "ERROR: v3 must be 1099\n" };
printf "OK v1=%d v2=%d v3=%d\n" v1 v2 v3;
## test return variables in message sends
defclass B [ [X1 X2] ] {
set X1 999;
set X2 888;
defun :: get ( :: x y) {
set x X1;
set y X2;
};
defun :: get2 (inc :: x y) {
set x (+ X1 inc);
set y (+ X2 inc);
};
};
set-r a b (B:get);
set-r c d (B:get2 -100);
if (/= a 999) { printf "ERROR: a must be 999\n" };
if (/= b 888) { printf "ERROR: b must be 888\n" };
if (/= c 899) { printf "ERROR: c must be 899\n" };
if (/= d 788) { printf "ERROR: d must be 788\n" };
printf "OK a=%d b=%d c=%d d=%d\n" a b c d;
class X [ x, y ] {
fun ::f(a :: b c) { b := (a + 10); c := (a + 20) }
fun :*new(z) {
## multi-variable assignment with return variables to member variables
[self.x, self.y] := (X:f z)
return self;
}
fun getX() { return self.x }
fun getY() { return self.y }
}
z := (X:new 9)
if ((x := (z:getX)) /= 19) { printf "ERROR: z:getX msut return 19\n" }
if ((y := (z:getY)) /= 29) { printf "ERROR: z:getX msut return 29\n" }
printf "OK z:getX=%d z:getY=%d\n" x y
});