neoneo-go/pkg/compiler/return_test.go
Evgenii Stratonikov bfcb1a409f compiler: extend possible returned values
All integer values (int32, uint64...) should be able to be returned.
2020-04-28 16:44:06 +03:00

94 lines
1.2 KiB
Go

package compiler_test
import (
"math/big"
"testing"
)
func TestReturnInt64(t *testing.T) {
src := `package foo
func Main() int64 {
return 1
}`
eval(t, src, big.NewInt(1))
}
func TestMultipleReturn1(t *testing.T) {
src := `
package hello
func two() (int, int) {
return 5, 9
}
func Main() int {
a, _ := two()
return a
}
`
eval(t, src, big.NewInt(5))
}
func TestMultipleReturn2(t *testing.T) {
src := `
package hello
func two() (int, int) {
return 5, 9
}
func Main() int {
_, b := two()
return b
}
`
eval(t, src, big.NewInt(9))
}
func TestMultipleReturnUnderscore(t *testing.T) {
src := `
package hello
func f3() (int, int, int) {
return 5, 6, 7
}
func Main() int {
a, _, c := f3()
return a+c
}
`
eval(t, src, big.NewInt(12))
}
func TestMultipleReturnWithArg(t *testing.T) {
src := `
package hello
func inc2(a int) (int, int) {
return a+1, a+2
}
func Main() int {
a, b := 3, 9
a, b = inc2(a)
return a+b
}
`
eval(t, src, big.NewInt(9))
}
func TestSingleReturn(t *testing.T) {
src := `
package hello
func inc(k int) int {
return k+1
}
func Main() int {
a, b := inc(3), inc(4)
return a+b
}
`
eval(t, src, big.NewInt(9))
}