// run
// 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.
// Internally a map holds elements in up to 255 bytes of key+value.
// When key or value or both are too large, it uses pointers to key+value
// instead. Test all the combinations.
package main
func seq(x, y int) [1000]byte {
var r [1000]byte
for i := 0; i < len(r); i++ {
r[i] = byte(x + i*y)
}
return r
}
func cmp(x, y [1000]byte) {
for i := 0; i < len(x); i++ {
if x[i] != y[i] {
panic("BUG mismatch")
}
}
}
func main() {
m := make(map[int][1000]byte)
m[1] = seq(11, 13)
m[2] = seq(2, 9)
m[3] = seq(3, 17)
cmp(m[1], seq(11, 13))
cmp(m[2], seq(2, 9))
cmp(m[3], seq(3, 17))
{
type T [1]byte
type V [1]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [100]byte
type V [1]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [1]byte
type V [100]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [1000]byte
type V [1]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [1]byte
type V [1000]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [1000]byte
type V [1000]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [200]byte
type V [1]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [1]byte
type V [200]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
{
type T [200]byte
type V [200]byte
m := make(map[T]V)
m[T{}] = V{1}
m[T{1}] = V{2}
if x, y := m[T{}][0], m[T{1}][0]; x != 1 || y != 2 {
println(x, y)
panic("bad map")
}
}
}
Directory Contents
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