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package main
import (
"fmt"
"sort"
"testing"
)
func TestLog(t *testing.T) {
tests := []struct {
input int64
expected int64
}{
{1, 0},
{2, 1},
{0, 0},
{3, 1},
{4, 2},
}
for _, test := range tests {
actual := Log(test.input)
if test.expected != actual {
t.Errorf("%d, expected: %d, actual: %d", test.input, test.expected,
actual)
}
}
}
func TestPow(t *testing.T) {
tests := []struct {
x int64
n int64
expected int64
}{
{1, 0, 1},
{2, 0, 1},
{0, 0, 1},
{0, 2, 0},
{1, 1, 1},
{1, 2, 1},
{2, 1, 2},
{2, 2, 4},
{2, 3, 8},
{3, 2, 9},
{6, 7, 279936},
}
for _, test := range tests {
actual := Pow(test.x, test.n)
if test.expected != actual {
t.Errorf("%d**%d, expected: %d, actual: %d", test.x, test.n,
test.expected, actual)
}
}
}
func TestPost(t *testing.T) {
tests := []struct {
size int64
height int64
id int64
expected int64
}{
{14, 4, 7, 0},
{14, 4, 8, 1},
{14, 4, 3, 2},
{14, 4, 5, 9},
{14, 4, 0, 14},
}
for _, test := range tests {
actual := Post(test.size, test.height, test.id)
if test.expected != actual {
t.Errorf("%d, %d, expected: %d, actual: %d", test.size, test.id,
test.expected, actual)
}
}
}
func TestShuffle(t *testing.T) {
a := sort.IntSlice([]int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9})
Shuffle(a)
fmt.Println(a)
}
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