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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package util
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestArrayApi1(t *testing.T) {
v := ArrayList[string]{"x", "y", "z"}
assert.Equal(t, 3, len(v))
v.Append("a")
assert.Equal(t, 4, len(v))
v.Insert(2, "b")
assert.Equal(t, 5, len(v))
v.Insert(0, "c")
assert.Equal(t, 6, len(v))
assert.Equal(t, "c", v[0])
assert.Equal(t, "x", v[1])
assert.Equal(t, "y", v[2])
assert.Equal(t, "b", v[3])
assert.Equal(t, "z", v[4])
assert.Equal(t, "a", v[5])
}
func TestArrayApi2(t *testing.T) {
tmp := []string{"i", "j", "k"}
v := NewArrayList[string](10)
assert.Equal(t, 0, len(v))
assert.Equal(t, 10, cap(v))
v.AppendAll(tmp...)
assert.Equal(t, 3, len(v))
assert.Equal(t, 10, cap(v))
v.AppendAll(tmp...)
assert.Equal(t, 6, len(v))
assert.Equal(t, 10, cap(v))
v.AppendAll(tmp...)
assert.Equal(t, 9, len(v))
assert.Equal(t, 10, cap(v))
v.AppendAll(tmp...)
assert.Equal(t, 12, len(v))
assert.Less(t, 11, cap(v))
}
func TestArrayApi3(t *testing.T) {
tmp := []string{"i", "j", "k"}
v := ArrayList[string]{
"foo", "bar",
"baz", "qux",
}
assert.Equal(t, 4, len(v))
v.InsertAll(0, "a", "b")
assert.Equal(t, 6, len(v))
v.AppendAll(tmp...)
assert.Equal(t, 9, len(v))
v.AppendAll("x", "y")
assert.Equal(t, 11, len(v))
v.InsertAll(4, "foobar", "barfoo")
assert.Equal(t, 13, len(v))
assert.Equal(t, "a", v[0])
assert.Equal(t, "b", v[1])
assert.Equal(t, "foo", v[2])
assert.Equal(t, "bar", v[3])
assert.Equal(t, "foobar", v[4])
assert.Equal(t, "barfoo", v[5])
assert.Equal(t, "baz", v[6])
assert.Equal(t, "qux", v[7])
assert.Equal(t, "i", v[8])
assert.Equal(t, "j", v[9])
assert.Equal(t, "k", v[10])
assert.Equal(t, "x", v[11])
assert.Equal(t, "y", v[12])
}
func TestArrayApi4(t *testing.T) {
v := NewArrayList[string](12)
arr := v[0:10]
v.InsertAll(0, "a", "b", "e")
v.InsertAll(3, "f", "g", "o")
v.InsertAll(2, "c", "d")
v.InsertAll(7, "h", "i", "j", "k", "l", "m", "n")
assert.Equal(t, 15, len(v))
assert.Equal(t, "a", v[0])
assert.Equal(t, "b", v[1])
assert.Equal(t, "c", v[2])
assert.Equal(t, "d", v[3])
assert.Equal(t, "e", v[4])
assert.Equal(t, "f", v[5])
assert.Equal(t, "g", v[6])
assert.Equal(t, "h", v[7])
assert.Equal(t, "i", v[8])
assert.Equal(t, "j", v[9])
assert.Equal(t, "k", v[10])
assert.Equal(t, "l", v[11])
assert.Equal(t, "m", v[12])
assert.Equal(t, "n", v[13])
assert.Equal(t, "o", v[14])
assert.Equal(t, 10, len(arr))
assert.Equal(t, "a", arr[0])
assert.Equal(t, "b", arr[1])
assert.Equal(t, "c", arr[2])
assert.Equal(t, "d", arr[3])
assert.Equal(t, "e", arr[4])
assert.Equal(t, "f", arr[5])
assert.Equal(t, "g", arr[6])
assert.Equal(t, "o", arr[7])
assert.Equal(t, "", arr[8])
assert.Equal(t, "", arr[9])
}
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