errors_test.go

Documentation: errors

     1  // Copyright 2011 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  package errors_test
     6  
     7  import (
     8  	"errors"
     9  	"testing"
    10  )
    11  
    12  func TestNewEqual(t *testing.T) {
    13  	// Different allocations should not be equal.
    14  	if errors.New("abc") == errors.New("abc") {
    15  		t.Errorf(`New("abc") == New("abc")`)
    16  	}
    17  	if errors.New("abc") == errors.New("xyz") {
    18  		t.Errorf(`New("abc") == New("xyz")`)
    19  	}
    20  
    21  	// Same allocation should be equal to itself (not crash).
    22  	err := errors.New("jkl")
    23  	if err != err {
    24  		t.Errorf(`err != err`)
    25  	}
    26  }
    27  
    28  func TestErrorMethod(t *testing.T) {
    29  	err := errors.New("abc")
    30  	if err.Error() != "abc" {
    31  		t.Errorf(`New("abc").Error() = %q, want %q`, err.Error(), "abc")
    32  	}
    33  }
    34
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