blob: b33d22ff8effe595fa340974f38925e749430911 [file] [log] [blame]
// errorcheck
// 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 illegal shifts.
// Issue 1708, illegal cases.
// Does not compile.
package p
func f(x int) int { return 0 }
func g(x interface{}) int { return 0 }
func h(x float64) int { return 0 }
// from the spec
var (
s uint = 33
u = 1.0 << s // ERROR "invalid operation|shift of non-integer operand"
v float32 = 1 << s // ERROR "invalid" "as type float32"
)
// non-constant shift expressions
var (
e1 = g(2.0 << s) // ERROR "invalid" "as type interface"
f1 = h(2 << s) // ERROR "invalid" "as type float64"
g1 int64 = 1.1 << s // ERROR "truncated"
)
// constant shift expressions
const c uint = 65
var (
a2 int = 1.0 << c // ERROR "overflow"
b2 = 1.0 << c // ERROR "overflow"
d2 = f(1.0 << c) // ERROR "overflow"
)