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// run
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "reflect"
var tests = []interface{}{
func(x int, s int) int {
return x << s
},
func(x int, s int64) int {
return x << s
},
func(x int, s int32) int {
return x << s
},
func(x int, s int16) int {
return x << s
},
func(x int, s int8) int {
return x << s
},
func(x int, s int) int {
return x >> s
},
func(x int, s int64) int {
return x >> s
},
func(x int, s int32) int {
return x >> s
},
func(x int, s int16) int {
return x >> s
},
func(x int, s int8) int {
return x >> s
},
func(x uint, s int) uint {
return x << s
},
func(x uint, s int64) uint {
return x << s
},
func(x uint, s int32) uint {
return x << s
},
func(x uint, s int16) uint {
return x << s
},
func(x uint, s int8) uint {
return x << s
},
func(x uint, s int) uint {
return x >> s
},
func(x uint, s int64) uint {
return x >> s
},
func(x uint, s int32) uint {
return x >> s
},
func(x uint, s int16) uint {
return x >> s
},
func(x uint, s int8) uint {
return x >> s
},
}
func main() {
for _, t := range tests {
runTest(reflect.ValueOf(t))
}
}
func runTest(f reflect.Value) {
xt := f.Type().In(0)
st := f.Type().In(1)
for _, x := range []int{1, 0, -1} {
for _, s := range []int{-99, -64, -63, -32, -31, -16, -15, -8, -7, -1, 0, 1, 7, 8, 15, 16, 31, 32, 63, 64, 99} {
args := []reflect.Value{
reflect.ValueOf(x).Convert(xt),
reflect.ValueOf(s).Convert(st),
}
if s < 0 {
shouldPanic(func() {
f.Call(args)
})
} else {
f.Call(args) // should not panic
}
}
}
}
func shouldPanic(f func()) {
defer func() {
if recover() == nil {
panic("did not panic")
}
}()
f()
}
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