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110 lines
2.0 KiB
110 lines
2.0 KiB
// run
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test order of calls to builtin functions.
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// Discovered during CL 144530045 review.
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package main
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func main() {
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// append
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{
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x := make([]int, 0)
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f := func() int { x = make([]int, 2); return 2 }
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a, b, c := append(x, 1), f(), append(x, 1)
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if len(a) != 1 || len(c) != 3 {
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bug()
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println("append call not ordered:", len(a), b, len(c))
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}
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}
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// cap
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{
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x := make([]int, 1)
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f := func() int { x = make([]int, 3); return 2 }
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a, b, c := cap(x), f(), cap(x)
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if a != 1 || c != 3 {
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bug()
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println("cap call not ordered:", a, b, c)
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}
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}
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// complex
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{
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x := 1.0
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f := func() int { x = 3; return 2 }
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a, b, c := complex(x, 0), f(), complex(x, 0)
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if real(a) != 1 || real(c) != 3 {
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bug()
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println("complex call not ordered:", a, b, c)
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}
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}
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// copy
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{
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tmp := make([]int, 100)
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x := make([]int, 1)
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f := func() int { x = make([]int, 3); return 2 }
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a, b, c := copy(tmp, x), f(), copy(tmp, x)
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if a != 1 || c != 3 {
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bug()
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println("copy call not ordered:", a, b, c)
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}
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}
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// imag
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{
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x := 1i
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f := func() int { x = 3i; return 2 }
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a, b, c := imag(x), f(), imag(x)
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if a != 1 || c != 3 {
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bug()
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println("imag call not ordered:", a, b, c)
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}
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}
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// len
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{
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x := make([]int, 1)
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f := func() int { x = make([]int, 3); return 2 }
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a, b, c := len(x), f(), len(x)
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if a != 1 || c != 3 {
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bug()
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println("len call not ordered:", a, b, c)
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}
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}
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// make
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{
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x := 1
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f := func() int { x = 3; return 2 }
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a, b, c := make([]int, x), f(), make([]int, x)
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if len(a) != 1 || len(c) != 3 {
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bug()
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println("make call not ordered:", len(a), b, len(c))
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}
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}
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// real
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{
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x := 1 + 0i
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f := func() int { x = 3; return 2 }
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a, b, c := real(x), f(), real(x)
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if a != 1 || c != 3 {
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bug()
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println("real call not ordered:", a, b, c)
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}
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}
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}
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var bugged = false
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func bug() {
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if !bugged {
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println("BUG")
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bugged = true
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}
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} |