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// Copyright 2021-2023 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package assert
import (
"errors"
"fmt"
"testing"
)
func TestAssertions(t *testing.T) {
t.Parallel()
t.Run("equal", func(t *testing.T) {
t.Parallel()
Equal(t, 1, 1, Sprintf("1 == %d", 1))
NotEqual(t, 1, 2)
})
t.Run("nil", func(t *testing.T) {
t.Parallel()
Nil(t, nil)
Nil(t, (*chan int)(nil))
Nil(t, (*func())(nil))
Nil(t, (*map[int]int)(nil))
Nil(t, (*pair)(nil))
Nil(t, (*[]int)(nil))
NotNil(t, make(chan int))
NotNil(t, func() {})
NotNil(t, any(1))
NotNil(t, make(map[int]int))
NotNil(t, &pair{})
NotNil(t, make([]int, 0))
NotNil(t, "foo")
NotNil(t, 0)
NotNil(t, false)
NotNil(t, pair{})
})
t.Run("zero", func(t *testing.T) {
t.Parallel()
var n *int
Zero(t, n)
var p pair
Zero(t, p)
var null *pair
Zero(t, null)
var s []int
Zero(t, s)
var m map[string]string
Zero(t, m)
NotZero(t, 3)
})
t.Run("error chain", func(t *testing.T) {
t.Parallel()
want := errors.New("base error")
ErrorIs(t, fmt.Errorf("context: %w", want), want)
})
t.Run("unexported fields", func(t *testing.T) {
t.Parallel()
// Two pairs differ only in an unexported field.
p1 := pair{1, 2}
p2 := pair{1, 3}
NotEqual(t, p1, p2)
})
t.Run("regexp", func(t *testing.T) {
t.Parallel()
Match(t, "foobar", `^foo`)
})
t.Run("panics", func(t *testing.T) {
t.Parallel()
Panics(t, func() { panic("testing") }) //nolint:forbidigo
})
}
type pair struct {
First, Second int
}
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