/
metrics_test.go
145 lines (114 loc) · 3.85 KB
/
metrics_test.go
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package speed
import (
"math"
"testing"
)
// only tests that work on 32 bit architectures or both go here
// tests only working on 64 bit architectures go in _amd64_test.go
func TestIsCompatible(t *testing.T) {
cases := []struct {
t MetricType
v interface{}
result bool
}{
{Int32Type, -1, true},
{Int64Type, -1, true},
{Uint64Type, -1, false},
{Uint32Type, -1, false},
{Int32Type, math.MinInt32, true},
{Int64Type, math.MinInt32, true},
{Uint32Type, math.MinInt32, false},
{Uint64Type, math.MinInt32, false},
{Int32Type, int32(math.MinInt32), true},
{Int64Type, int64(math.MinInt32), true},
{Uint32Type, int32(math.MinInt32), false},
{Uint64Type, int64(math.MinInt32), false},
{Int32Type, math.MaxInt32, true},
{Int64Type, math.MaxInt32, true},
{Uint32Type, math.MaxInt32, true},
{Uint64Type, math.MaxInt32, true},
{Int32Type, int32(math.MaxInt32), true},
{Int64Type, int64(math.MaxInt32), true},
{Uint32Type, int32(math.MaxInt32), false},
{Uint64Type, int64(math.MaxInt32), false},
{Int64Type, int64(math.MaxInt64), true},
{Uint32Type, uint32(math.MaxUint32), true},
{Uint64Type, uint64(math.MaxUint32), true},
{Uint32Type, uint(math.MaxUint32), true},
{Uint32Type, uint32(math.MaxUint32), true},
{Uint64Type, uint64(math.MaxUint64), true},
{FloatType, math.MaxFloat32, true},
{DoubleType, math.MaxFloat32, true},
{FloatType, -math.MaxFloat32, true},
{DoubleType, -math.MaxFloat32, true},
{FloatType, float32(math.MaxFloat32), true},
{DoubleType, float32(math.MaxFloat32), false},
{FloatType, float32(-math.MaxFloat32), true},
{DoubleType, float32(-math.MaxFloat32), false},
{FloatType, float64(math.MaxFloat32), true},
{DoubleType, float64(math.MaxFloat32), true},
{FloatType, float64(-math.MaxFloat32), true},
{DoubleType, float64(-math.MaxFloat32), true},
{StringType, 10, false},
{StringType, 10.10, false},
{StringType, "10", true},
}
for _, c := range cases {
r := c.t.IsCompatible(c.v)
if r != c.result {
t.Errorf("%v.IsCompatible(%v(%T)) should be %v, not %v", c.t, c.v, c.v, c.result, r)
}
}
}
func TestResolve(t *testing.T) {
cases := []struct {
t MetricType
val, resval interface{}
}{
{Int32Type, 10, int32(10)},
{Int64Type, 10, int64(10)},
{Uint32Type, 10, uint32(10)},
{Uint64Type, 10, uint64(10)},
{Int32Type, int32(10), int32(10)},
{Int64Type, int64(10), int64(10)},
{Uint32Type, uint32(10), uint32(10)},
{Uint64Type, uint64(10), uint64(10)},
{Uint32Type, uint(10), uint32(10)},
{Uint64Type, uint(10), uint64(10)},
{Uint32Type, uint32(10), uint32(10)},
{Uint64Type, uint64(10), uint64(10)},
{FloatType, 3.14, float32(3.14)},
{DoubleType, 3.14, float64(3.14)},
{FloatType, float32(3.14), float32(3.14)},
{DoubleType, float64(3.14), float64(3.14)},
}
for _, c := range cases {
if c.t.resolve(c.val) != c.resval {
t.Errorf("expected %T to resolve to %T", c.val, c.resval)
}
}
}
func TestComposition(t *testing.T) {
ms := MegabyteUnit.Time(SecondUnit, -1)
if ms.String() != "MegabyteUnit^1SecondUnit^-1" {
t.Errorf("expected ms.String() to be MegabyteUnit^1SecondUnit^-1, got %s", ms.String())
}
if ms.PMAPI() != 520237056 {
t.Errorf("expected ms.PMAPI() to be 520237056, got %v", ms.PMAPI())
}
hz := NewMetricUnit().Time(SecondUnit, -1)
if hz.String() != "SecondUnit^-1" {
t.Errorf("expected hz.String() to be SecondUnit^-1, got %s", ms.String())
}
if hz.PMAPI() != 251670528 {
t.Errorf("expected hz.PMAPI() to be 251670528, got %v", hz.PMAPI())
}
cs1 := OneUnit.Space(MegabyteUnit, 2).Time(SecondUnit, -2)
cs2 := NewMetricUnit().Time(SecondUnit, -2).Space(MegabyteUnit, 2).Count(OneUnit, 1)
if cs1.PMAPI() != cs2.PMAPI() {
t.Errorf("expected %v to be equal to %v", cs1.PMAPI(), cs2.PMAPI())
}
if cs1.String() != cs2.String() {
t.Errorf("expected %v to be equal to %v", cs1.String(), cs2.String())
}
}