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syncmap120_test.go
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syncmap120_test.go
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//go:build go1.20
package gwrap_test
import (
"testing"
"github.com/muir/gwrap"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestCompareMap(t *testing.T) {
var m gwrap.CompareMap[string, int]
total := func() int {
var total int
m.Range(func(_ string, v int) bool {
total += v
return true
})
return total
}
m.Store("foo", 2)
require.Equal(t, 2, total())
m.Store("bar", 8)
require.Equal(t, 10, total())
ok := m.CompareAndSwap("bar", 11, 100)
assert.False(t, ok)
require.Equal(t, 10, total())
ok = m.CompareAndSwap("bar", 8, 98)
assert.True(t, ok)
require.Equal(t, 100, total())
ok = m.CompareAndDelete("bar", 99)
assert.False(t, ok)
require.Equal(t, 100, total())
ok = m.CompareAndDelete("bar", 98)
assert.True(t, ok)
require.Equal(t, 2, total())
}
func TestSwap(t *testing.T) {
var m gwrap.SyncMap[string, int]
total := func() int {
var total int
m.Range(func(_ string, v int) bool {
total += v
return true
})
return total
}
m.Store("foo", 7)
require.Equal(t, 7, total())
m.Store("bar", 10)
require.Equal(t, 17, total())
p, ok := m.Swap("bar", 8)
assert.True(t, ok)
assert.Equal(t, 10, p)
require.Equal(t, 15, total())
p, ok = m.Swap("baz", -5)
assert.False(t, ok)
assert.Equal(t, 0, p)
require.Equal(t, 10, total())
}