update euler 54

54_poker_hands/main.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"io"
+	"os"
+	"strconv"
+	"strings"
+)
+
+func main() {
+	fi, err := os.Open("./p054_poker.txt")
+	if err != nil {
+		panic(err)
+	}
+	defer fi.Close()
+
+	br := bufio.NewReader(fi)
+	var input []hand
+	count := 0
+	for {
+		a, _, e := br.ReadLine()
+		if e == io.EOF {
+			break
+		}
+		line := string(a)
+		cs := strings.Split(line, " ")
+		if len(cs) != 10 {
+			panic("invalid line")
+		}
+		h := hand{
+			player1: cards{
+				card(cs[0]),
+				card(cs[1]),
+				card(cs[2]),
+				card(cs[3]),
+				card(cs[4]),
+			},
+			player2: cards{
+				card(cs[5]),
+				card(cs[6]),
+				card(cs[7]),
+				card(cs[8]),
+				card(cs[9]),
+			},
+		}
+		input = append(input, h)
+		if h.isPlayer1Win() {
+			count++
+		}
+	}
+	fmt.Println(count)
+}
+
+type hand struct {
+	player1 cards
+	player2 cards
+}
+
+func (hand) isPlayer1Win() bool {
+	return false
+}
+
+type card string
+
+func (c card) number() int {
+	i, _ := strconv.Atoi(string(c[0]))
+	return i
+}
+
+func (c card) suit() string {
+	return string(c[1])
+}
+
+type cards [5]card

54_poker_hands/main_test.go

@@ -0,0 +1,35 @@
+package main
+
+import "testing"
+
+func Test_hand_isPlayer1Win(t *testing.T) {
+	type fields struct {
+		player1 [5]string
+		player2 [5]string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   bool
+	}{
+		{
+			"test1",
+			fields{
+				player1: [5]string{"5H", "5C", "6S", "7S", "KD"},
+				player2: [5]string{"2C", "3S", "8S", "8D", "TD"},
+			},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ha := hand{
+				player1: tt.fields.player1,
+				player2: tt.fields.player2,
+			}
+			if got := ha.isPlayer1Win(); got != tt.want {
+				t.Errorf("isPlayer1Win() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}