func TestQuantity(t *testing.T) {
	twelveMi := resource.MustParse("12Mi")
	trueVal := types.Bool(true)
	falseVal := types.Bool(false)

	cases := []struct {
		name               string
		expr               string
		expectValue        ref.Val
		expectedCompileErr []string
		expectedRuntimeErr string
	}{
		{
			name:        "parse",
			expr:        `quantity("12Mi")`,
			expectValue: apiservercel.Quantity{Quantity: &twelveMi},

}

// Format lists the three possible formattings of a quantity.
type Format string

const (
	DecimalExponent = Format("DecimalExponent") // e.g., 12e6
	BinarySI        = Format("BinarySI")        // e.g., 12Mi (12 * 2^20)
	DecimalSI       = Format("DecimalSI")       // e.g., 12M  (12 * 10^6)
)

// MustParse turns the given string into a quantity or panics; for tests
// or other cases where you know the string is valid.

		name                string
		expr                string
		expectEstimatedCost checker.CostEstimate
		expectRuntimeCost   uint64
	}{
		{
			name:                "path",
			expr:                `quantity("12Mi")`,
			expectEstimatedCost: checker.CostEstimate{Min: 1, Max: 1},
			expectRuntimeCost:   1,
		},
		{
			name:                "isQuantity",
			expr:                `isQuantity("20")`,

		{FloatLit, "0p0", "0p0", "'p' exponent requires hexadecimal mantissa"},
		{FloatLit, "1.0P-1", "1.0P-1", "'P' exponent requires hexadecimal mantissa"},

		{ImagLit, "0.i", "0.i", ""},
		{ImagLit, ".123i", ".123i", ""},
		{ImagLit, "123.123i", "123.123i", ""},
		{ImagLit, "123e+0i", "123e+0i", ""},
		{ImagLit, "123.E-10i", "123.E-10i", ""},
		{ImagLit, ".123E+10i", ".123E+10i", ""},

		// hexadecimals
		{IntLit, "0x0", "0x0", ""},

		{token.FLOAT, "1.0P-1", "1.0P-1", "'P' exponent requires hexadecimal mantissa"},

		{token.IMAG, "0.i", "0.i", ""},
		{token.IMAG, ".123i", ".123i", ""},
		{token.IMAG, "123.123i", "123.123i", ""},
		{token.IMAG, "123e+0i", "123e+0i", ""},
		{token.IMAG, "123.E-10i", "123.E-10i", ""},
		{token.IMAG, ".123E+10i", ".123E+10i", ""},

		// hexadecimals

					v1.ResourceCPU:    resource.MustParse("1000Mi"),
					v1.ResourceMemory: resource.MustParse("12Gi"),
					hugepages1Gi:      resource.MustParse("4Gi"),
				},
				Requests: v1.ResourceList{
					v1.ResourceCPU:    resource.MustParse("1000Mi"),
					v1.ResourceMemory: resource.MustParse("12Gi"),
					hugepages1Gi:      resource.MustParse("4Gi"),
				},
			}),

entirely of decimal digits (and possibly underscores) is considered a decimal
integer, even if it starts with a leading <code>0</code>.
</p>

<pre>
0i
0123i         // == 123i for backward-compatibility
0o123i        // == 0o123 * 1i == 83i
0xabci        // == 0xabc * 1i == 2748i
0.i
2.71828i
1.e+0i
6.67428e-11i
1E6i
.25i
.12345E+5i

entirely of decimal digits (and possibly underscores) is considered a decimal
integer, even if it starts with a leading <code>0</code>.
</p>

<pre>
0i
0123i         // == 123i for backward-compatibility
0o123i        // == 0o123 * 1i == 83i
0xabci        // == 0xabc * 1i == 2748i
0.i
2.71828i
1.e+0i
6.67428e-11i
1E6i
.25i
.12345E+5i