diff options
Diffstat (limited to 'test/for.go')
-rw-r--r-- | test/for.go | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test/for.go b/test/for.go new file mode 100644 index 0000000..cfb7f6d --- /dev/null +++ b/test/for.go @@ -0,0 +1,76 @@ +// 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 for loops. + +package main + +func assertequal(is, shouldbe int, msg string) { + if is != shouldbe { + print("assertion fail", msg, "\n") + panic(1) + } +} + +func main() { + var i, sum int + + i = 0 + for { + i = i + 1 + if i > 5 { + break + } + } + assertequal(i, 6, "break") + + sum = 0 + for i := 0; i <= 10; i++ { + sum = sum + i + } + assertequal(sum, 55, "all three") + + sum = 0 + for i := 0; i <= 10; { + sum = sum + i + i++ + } + assertequal(sum, 55, "only two") + + sum = 0 + for sum < 100 { + sum = sum + 9 + } + assertequal(sum, 99+9, "only one") + + sum = 0 + for i := 0; i <= 10; i++ { + if i%2 == 0 { + continue + } + sum = sum + i + } + assertequal(sum, 1+3+5+7+9, "continue") + + i = 0 + for i = range [5]struct{}{} { + } + assertequal(i, 4, " incorrect index value after range loop") + + i = 0 + var a1 [5]struct{} + for i = range a1 { + a1[i] = struct{}{} + } + assertequal(i, 4, " incorrect index value after array with zero size elem range clear") + + i = 0 + var a2 [5]int + for i = range a2 { + a2[i] = 0 + } + assertequal(i, 4, " incorrect index value after array range clear") +} |