updated util packages

algos/sliding-window_test.go

@@ -0,0 +1,36 @@
+package algos
+
+import "testing"
+
+func TestSlidingWindowSum(t *testing.T) {
+	type args struct {
+		nums      []int
+		targetSum int
+	}
+	tests := []struct {
+		name           string
+		args           args
+		wantLeftIndex  int
+		wantRightIndex int
+		wantFound      bool
+	}{
+		{"found 1", args{[]int{-1, 23, 12, 14, 3, 4}, 21}, 3, 6, true},
+		{"found 2", args{[]int{-1, 23, 12, 14, 3, 4, 59}, 21}, 3, 6, true},
+		{"not found 1", args{[]int{0, 1, 2, 3, 4, 5, 6}, 45}, 0, 0, false},
+		{"not found 2", args{[]int{0, 1, 2, 3, 4, 5, 6}, -34}, 0, 0, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			gotLeftIndex, gotRightIndex, gotFound := SlidingWindowSum(tt.args.nums, tt.args.targetSum)
+			if gotLeftIndex != tt.wantLeftIndex {
+				t.Errorf("SlidingWindowSum() gotLeftIndex = %v, want %v", gotLeftIndex, tt.wantLeftIndex)
+			}
+			if gotRightIndex != tt.wantRightIndex {
+				t.Errorf("SlidingWindowSum() gotRightIndex = %v, want %v", gotRightIndex, tt.wantRightIndex)
+			}
+			if gotFound != tt.wantFound {
+				t.Errorf("SlidingWindowSum() gotFound = %v, want %v", gotFound, tt.wantFound)
+			}
+		})
+	}
+}