| // $G $F.go && $L $F.$A && ./$A.out |
| |
| // 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. |
| |
| package main |
| |
| func assertequal(is, shouldbe int, msg string) { |
| if is != shouldbe { |
| print("assertion fail", msg, "\n") |
| panic(1) |
| } |
| } |
| |
| func main() { |
| i5 := 5 |
| i7 := 7 |
| |
| var count int |
| |
| count = 0 |
| if true { |
| count = count + 1 |
| } |
| assertequal(count, 1, "if true") |
| |
| count = 0 |
| if false { |
| count = count + 1 |
| } |
| assertequal(count, 0, "if false") |
| |
| count = 0 |
| if one := 1; true { |
| count = count + one |
| } |
| assertequal(count, 1, "if true one") |
| |
| count = 0 |
| if one := 1; false { |
| count = count + 1 |
| _ = one |
| } |
| assertequal(count, 0, "if false one") |
| |
| count = 0 |
| if { |
| count = count + 1 |
| } |
| assertequal(count, 1, "if empty") |
| |
| count = 0 |
| if one := 1; true { |
| count = count + one |
| } |
| assertequal(count, 1, "if empty one") |
| |
| count = 0 |
| if i5 < i7 { |
| count = count + 1 |
| } |
| assertequal(count, 1, "if cond") |
| |
| count = 0 |
| if true { |
| count = count + 1 |
| } else |
| count = count - 1 |
| assertequal(count, 1, "if else true") |
| |
| count = 0 |
| if false { |
| count = count + 1 |
| } else |
| count = count - 1 |
| assertequal(count, -1, "if else false") |
| |
| count = 0 |
| if t:=1; false { |
| count = count + 1 |
| _ = t |
| t := 7 |
| _ = t |
| } else |
| count = count - t |
| assertequal(count, -1, "if else false var") |
| |
| count = 0 |
| t := 1 |
| if false { |
| count = count + 1 |
| t := 7 |
| _ = t |
| } else |
| count = count - t |
| _ = t |
| assertequal(count, -1, "if else false var outside") |
| } |