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Source file src/net/port_test.go

Documentation: net

  // Copyright 2016 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 net
  
  import "testing"
  
  var parsePortTests = []struct {
  	service     string
  	port        int
  	needsLookup bool
  }{
  	{"", 0, false},
  
  	// Decimal number literals
  	{"-1073741825", -1 << 30, false},
  	{"-1073741824", -1 << 30, false},
  	{"-1073741823", -(1<<30 - 1), false},
  	{"-123456789", -123456789, false},
  	{"-1", -1, false},
  	{"-0", 0, false},
  	{"0", 0, false},
  	{"+0", 0, false},
  	{"+1", 1, false},
  	{"65535", 65535, false},
  	{"65536", 65536, false},
  	{"123456789", 123456789, false},
  	{"1073741822", 1<<30 - 2, false},
  	{"1073741823", 1<<30 - 1, false},
  	{"1073741824", 1<<30 - 1, false},
  	{"1073741825", 1<<30 - 1, false},
  
  	// Others
  	{"abc", 0, true},
  	{"9pfs", 0, true},
  	{"123badport", 0, true},
  	{"bad123port", 0, true},
  	{"badport123", 0, true},
  	{"123456789badport", 0, true},
  	{"-2147483649badport", 0, true},
  	{"2147483649badport", 0, true},
  }
  
  func TestParsePort(t *testing.T) {
  	// The following test cases are cribbed from the strconv
  	for _, tt := range parsePortTests {
  		if port, needsLookup := parsePort(tt.service); port != tt.port || needsLookup != tt.needsLookup {
  			t.Errorf("parsePort(%q) = %d, %t; want %d, %t", tt.service, port, needsLookup, tt.port, tt.needsLookup)
  		}
  	}
  }
  

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