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go/test/alias1.go
Alan Donovan 052c942e20 test: ensure all failing tests exit nonzero.
Previously merely printing an error would cause the golden
file comparison (in 'bash run') to fail, but that is no longer
the case with the new run.go driver.

R=iant
CC=golang-dev
https://golang.org/cl/7310087
2013-02-12 13:17:49 -05:00

55 lines
804 B
Go

// run
// Copyright 2011 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.
// Test that dynamic interface checks treat byte=uint8
// and rune=int or rune=int32.
package main
func main() {
var x interface{}
x = byte(1)
switch x.(type) {
case uint8:
// ok
default:
panic("byte != uint8")
}
x = uint8(2)
switch x.(type) {
case byte:
// ok
default:
panic("uint8 != byte")
}
rune32 := false
x = rune(3)
switch x.(type) {
case int:
// ok
case int32:
// must be new code
rune32 = true
default:
panic("rune != int and rune != int32")
}
if rune32 {
x = int32(4)
} else {
x = int(5)
}
switch x.(type) {
case rune:
// ok
default:
panic("int (or int32) != rune")
}
}