github.com/JimmyHuang454/JLS-go@v0.0.0-20230831150107-90d536585ba0/internal/poll/fd_posix_test.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build unix || windows
     6  
     7  package poll_test
     8  
     9  import (
    10  	. "internal/poll"
    11  	"io"
    12  	"testing"
    13  )
    14  
    15  var eofErrorTests = []struct {
    16  	n        int
    17  	err      error
    18  	fd       *FD
    19  	expected error
    20  }{
    21  	{100, nil, &FD{ZeroReadIsEOF: true}, nil},
    22  	{100, io.EOF, &FD{ZeroReadIsEOF: true}, io.EOF},
    23  	{100, ErrNetClosing, &FD{ZeroReadIsEOF: true}, ErrNetClosing},
    24  	{0, nil, &FD{ZeroReadIsEOF: true}, io.EOF},
    25  	{0, io.EOF, &FD{ZeroReadIsEOF: true}, io.EOF},
    26  	{0, ErrNetClosing, &FD{ZeroReadIsEOF: true}, ErrNetClosing},
    27  
    28  	{100, nil, &FD{ZeroReadIsEOF: false}, nil},
    29  	{100, io.EOF, &FD{ZeroReadIsEOF: false}, io.EOF},
    30  	{100, ErrNetClosing, &FD{ZeroReadIsEOF: false}, ErrNetClosing},
    31  	{0, nil, &FD{ZeroReadIsEOF: false}, nil},
    32  	{0, io.EOF, &FD{ZeroReadIsEOF: false}, io.EOF},
    33  	{0, ErrNetClosing, &FD{ZeroReadIsEOF: false}, ErrNetClosing},
    34  }
    35  
    36  func TestEOFError(t *testing.T) {
    37  	for _, tt := range eofErrorTests {
    38  		actual := tt.fd.EOFError(tt.n, tt.err)
    39  		if actual != tt.expected {
    40  			t.Errorf("eofError(%v, %v, %v): expected %v, actual %v", tt.n, tt.err, tt.fd.ZeroReadIsEOF, tt.expected, actual)
    41  		}
    42  	}
    43  }