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go/test/if.go
Rob Pike bc2f5f1dce fix bug depot:
1) fix print statements, panic statements (parentheses required)
	2) len is now allowed as a var name (bug053)

R=gri
OCL=14106
CL=14106
2008-08-11 22:07:49 -07:00

95 lines
1.5 KiB
Go

// $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;
}
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 := 7;
} else
count = count - t;
assertequal(count, -1, "if else false var");
count = 0;
t := 1;
if false {
count = count + 1;
t := 7;
} else
count = count - t;
assertequal(count, -1, "if else false var outside");
}