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go/test/bigmap.go
Rob Pike fc0dc04095 test: [a-c]: add introductory comments to tests
Very few of the compiler regression tests include a comment
saying waht they do. Many are obvious, some are anything but.
I've started with a-c in the top directory. More will follow once
we agree on the approach, correctness, and thoroughness here.
zerodivide.go sneaked in too.

R=rsc, r
CC=golang-dev
https://golang.org/cl/5656100
2012-02-19 13:19:43 +11:00

37 lines
637 B
Go

// 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.
// Test behavior of maps with large elements.
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))
}