test/[n-z]*.go: add documentation

R=golang-dev, bradfitz, r
CC=golang-dev
https://golang.org/cl/5700056

1 files changed, 13 insertions, 0 deletions

diff --git a/test/switch.go b/test/switch.go
index 68bd117f0b..09bf4341a0 100644
--- a/test/switch.go
+++ b/test/switch.go
@@ -4,8 +4,12 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// Test switch statements.
+
 package main
 
+import "os"
+
 func assert(cond bool, msg string) {
 	if !cond {
 		print("assertion fail: ", msg, "\n")
@@ -279,4 +283,13 @@ func main() {
 		assert(false, "m should not be nil")
 	default:
 	}
+
+	i := 0
+	switch x := 5; {
+		case i < x:
+			os.Exit(0)
+		case i == x:
+		case i > x:
+			os.Exit(1)
+	}
 }