Function TestStringCostTracking

ext/strings_test.go:853–963

(t *testing.T)

}

func TestStringCostTracking(t *testing.T) {
	tests := []struct {
		name          string
		expr          string
		estimatedCost checker.CostEstimate
		actualCost    uint64
	}{
		{
			name:          "charAt",
			expr:          `"hello world".charAt(0)`,
			estimatedCost: checker.FixedCostEstimate(4),
			actualCost:    4,
		},
		{
			name:          "indexOf",
			expr:          `"hello world".indexOf("world")`,
			estimatedCost: checker.FixedCostEstimate(7),
			actualCost:    7,
		},
		{
			name:          "lastIndexOf",
			expr:          `"hello world".lastIndexOf("o")`,
			estimatedCost: checker.FixedCostEstimate(3),
			actualCost:    3,
		},
		{
			name:          "lowerAscii",
			expr:          `"HELLO".lowerAscii()`,
			estimatedCost: checker.FixedCostEstimate(7),
			actualCost:    7,
		},
		{
			name:          "upperAscii",
			expr:          `"hello".upperAscii()`,
			estimatedCost: checker.FixedCostEstimate(7),
			actualCost:    7,
		},
		{
			name:          "replace",
			expr:          `"hello world".replace("world", "CEL")`,
			estimatedCost: checker.CostEstimate{Min: 11, Max: 55},
			actualCost:    16,
		},
		{
			name:          "replace_exponential_growth",
			expr:          `"A".replace("", "AAAAAAAAAA").replace("", "AAAAAAAAAA")`,
			estimatedCost: checker.CostEstimate{Min: 6, Max: 281},
			actualCost:    268,
		},
		{
			name:          "split",
			expr:          `"a,b,c,d,e".split(",")`,
			estimatedCost: checker.CostEstimate{Min: 12, Max: 21},
			actualCost:    17,
		},
		{
			name:          "substring",
			expr:          `"hello world".substring(0, 5)`,