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Source file test/for.go

Documentation: test

  // 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")
  
  }
  

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