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package rangemap_test
import (
"jinx/pkg/libs/rangemap"
"testing"
"github.com/stretchr/testify/assert"
)
func TestAppend(t *testing.T) {
rm := rangemap.New[string]()
assert.True(t, rm.AppendToLast(0, "a"))
assert.True(t, rm.AppendToLast(1, "b"))
assert.True(t, rm.AppendToLast(4, "c"))
}
func TestAppendAndGet(t *testing.T) {
rm := rangemap.New[string]()
assert.True(t, rm.AppendToLast(0, "a"))
assert.True(t, rm.AppendToLast(1, "b"))
assert.True(t, rm.AppendToLast(4, "c"))
a, ok := rm.Get(0)
assert.True(t, ok)
assert.Equal(t, "a", *a)
b, ok := rm.Get(1)
assert.True(t, ok)
assert.Equal(t, "b", *b)
cfrom, ok := rm.Get(2)
assert.True(t, ok)
assert.Equal(t, "c", *cfrom)
cmid, ok := rm.Get(3)
assert.True(t, ok)
assert.Equal(t, "c", *cmid)
cto, ok := rm.Get(4)
assert.True(t, ok)
assert.Equal(t, "c", *cto)
}
func TestWrongAppend(t *testing.T) {
rm := rangemap.New[string]()
assert.True(t, rm.AppendToLast(0, "a"))
assert.False(t, rm.AppendToLast(0, "b"))
}
func TestUnknownRange(t *testing.T) {
rm := rangemap.New[string]()
assert.True(t, rm.AppendToLast(6, "a"))
a, ok := rm.Get(6)
assert.True(t, ok)
assert.Equal(t, "a", *a)
b, ok := rm.Get(7)
assert.False(t, ok)
assert.Nil(t, b)
}
func TestNegativeAppend(t *testing.T) {
rm := rangemap.New[string]()
assert.False(t, rm.AppendToLast(-1, "a"))
}
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