/usr/share/go-1.7/test/interface/bigdata.go is in golang-1.7-src 1.7.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2009 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 big vs. small, pointer vs. value interface methods.
package main
type I interface { M() int64 }
type BigPtr struct { a, b, c, d int64 }
func (z *BigPtr) M() int64 { return z.a+z.b+z.c+z.d }
type SmallPtr struct { a int32 }
func (z *SmallPtr) M() int64 { return int64(z.a) }
type IntPtr int32
func (z *IntPtr) M() int64 { return int64(*z) }
var bad bool
func test(name string, i I) {
m := i.M()
if m != 12345 {
println(name, m)
bad = true
}
}
func ptrs() {
var bigptr BigPtr = BigPtr{ 10000, 2000, 300, 45 }
var smallptr SmallPtr = SmallPtr{ 12345 }
var intptr IntPtr = 12345
// test("bigptr", bigptr)
test("&bigptr", &bigptr)
// test("smallptr", smallptr)
test("&smallptr", &smallptr)
// test("intptr", intptr)
test("&intptr", &intptr)
}
type Big struct { a, b, c, d int64 }
func (z Big) M() int64 { return z.a+z.b+z.c+z.d }
type Small struct { a int32 }
func (z Small) M() int64 { return int64(z.a) }
type Int int32
func (z Int) M() int64 { return int64(z) }
func nonptrs() {
var big Big = Big{ 10000, 2000, 300, 45 }
var small Small = Small{ 12345 }
var int Int = 12345
test("big", big)
test("&big", &big)
test("small", small)
test("&small", &small)
test("int", int)
test("&int", &int)
}
func main() {
ptrs()
nonptrs()
if bad {
println("BUG: interface4")
}
}
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