update euler 206

206_concealed_square/main_test.go

@@ -7,6 +7,7 @@ import (
 
 func Test_isMatch(t *testing.T) {
 	fn, _ := (&big.Int{}).SetString("10203040506070809", 0)
+	fn2, _ := (&big.Int{}).SetString("10203040506070808", 0)
 	type args struct {
 		i *big.Int
 	}
@@ -22,6 +23,13 @@ func Test_isMatch(t *testing.T) {
 			},
 			true,
 		},
+		{
+			"test2",
+			args{
+				fn2,
+			},
+			false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -31,3 +39,50 @@ func Test_isMatch(t *testing.T) {
 		})
 	}
 }
+
+func Test_isEndsWith37(t *testing.T) {
+	type args struct {
+		s string
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{
+			"test1",
+			args{
+				"123",
+			},
+			true,
+		},
+		{
+			"test2",
+			args{
+				"127",
+			},
+			true,
+		},
+		{
+			"test3",
+			args{
+				"12",
+			},
+			false,
+		},
+		{
+			"test4",
+			args{
+				"",
+			},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := isEndsWith37(tt.args.s); got != tt.want {
+				t.Errorf("isEndsWith37() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}