diff options
Diffstat (limited to 'test/if.go')
-rw-r--r-- | test/if.go | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/test/if.go b/test/if.go new file mode 100644 index 0000000..25cc141 --- /dev/null +++ b/test/if.go @@ -0,0 +1,93 @@ +// 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 if statements in various forms. + +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 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") +} |