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Diffstat (limited to 'vendor/golang.org/x/net/internal/timeseries/timeseries_test.go')
-rw-r--r--vendor/golang.org/x/net/internal/timeseries/timeseries_test.go170
1 files changed, 0 insertions, 170 deletions
diff --git a/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go b/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go
deleted file mode 100644
index 66325a9..0000000
--- a/vendor/golang.org/x/net/internal/timeseries/timeseries_test.go
+++ /dev/null
@@ -1,170 +0,0 @@
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package timeseries
-
-import (
- "math"
- "testing"
- "time"
-)
-
-func isNear(x *Float, y float64, tolerance float64) bool {
- return math.Abs(x.Value()-y) < tolerance
-}
-
-func isApproximate(x *Float, y float64) bool {
- return isNear(x, y, 1e-2)
-}
-
-func checkApproximate(t *testing.T, o Observable, y float64) {
- x := o.(*Float)
- if !isApproximate(x, y) {
- t.Errorf("Wanted %g, got %g", y, x.Value())
- }
-}
-
-func checkNear(t *testing.T, o Observable, y, tolerance float64) {
- x := o.(*Float)
- if !isNear(x, y, tolerance) {
- t.Errorf("Wanted %g +- %g, got %g", y, tolerance, x.Value())
- }
-}
-
-var baseTime = time.Date(2013, 1, 1, 0, 0, 0, 0, time.UTC)
-
-func tu(s int64) time.Time {
- return baseTime.Add(time.Duration(s) * time.Second)
-}
-
-func tu2(s int64, ns int64) time.Time {
- return baseTime.Add(time.Duration(s)*time.Second + time.Duration(ns)*time.Nanosecond)
-}
-
-func TestBasicTimeSeries(t *testing.T) {
- ts := NewTimeSeries(NewFloat)
- fo := new(Float)
- *fo = Float(10)
- ts.AddWithTime(fo, tu(1))
- ts.AddWithTime(fo, tu(1))
- ts.AddWithTime(fo, tu(1))
- ts.AddWithTime(fo, tu(1))
- checkApproximate(t, ts.Range(tu(0), tu(1)), 40)
- checkApproximate(t, ts.Total(), 40)
- ts.AddWithTime(fo, tu(3))
- ts.AddWithTime(fo, tu(3))
- ts.AddWithTime(fo, tu(3))
- checkApproximate(t, ts.Range(tu(0), tu(2)), 40)
- checkApproximate(t, ts.Range(tu(2), tu(4)), 30)
- checkApproximate(t, ts.Total(), 70)
- ts.AddWithTime(fo, tu(1))
- ts.AddWithTime(fo, tu(1))
- checkApproximate(t, ts.Range(tu(0), tu(2)), 60)
- checkApproximate(t, ts.Range(tu(2), tu(4)), 30)
- checkApproximate(t, ts.Total(), 90)
- *fo = Float(100)
- ts.AddWithTime(fo, tu(100))
- checkApproximate(t, ts.Range(tu(99), tu(100)), 100)
- checkApproximate(t, ts.Range(tu(0), tu(4)), 36)
- checkApproximate(t, ts.Total(), 190)
- *fo = Float(10)
- ts.AddWithTime(fo, tu(1))
- ts.AddWithTime(fo, tu(1))
- checkApproximate(t, ts.Range(tu(0), tu(4)), 44)
- checkApproximate(t, ts.Range(tu(37), tu2(100, 100e6)), 100)
- checkApproximate(t, ts.Range(tu(50), tu2(100, 100e6)), 100)
- checkApproximate(t, ts.Range(tu(99), tu2(100, 100e6)), 100)
- checkApproximate(t, ts.Total(), 210)
-
- for i, l := range ts.ComputeRange(tu(36), tu(100), 64) {
- if i == 63 {
- checkApproximate(t, l, 100)
- } else {
- checkApproximate(t, l, 0)
- }
- }
-
- checkApproximate(t, ts.Range(tu(0), tu(100)), 210)
- checkApproximate(t, ts.Range(tu(10), tu(100)), 100)
-
- for i, l := range ts.ComputeRange(tu(0), tu(100), 100) {
- if i < 10 {
- checkApproximate(t, l, 11)
- } else if i >= 90 {
- checkApproximate(t, l, 10)
- } else {
- checkApproximate(t, l, 0)
- }
- }
-}
-
-func TestFloat(t *testing.T) {
- f := Float(1)
- if g, w := f.String(), "1"; g != w {
- t.Errorf("Float(1).String = %q; want %q", g, w)
- }
- f2 := Float(2)
- var o Observable = &f2
- f.Add(o)
- if g, w := f.Value(), 3.0; g != w {
- t.Errorf("Float post-add = %v; want %v", g, w)
- }
- f.Multiply(2)
- if g, w := f.Value(), 6.0; g != w {
- t.Errorf("Float post-multiply = %v; want %v", g, w)
- }
- f.Clear()
- if g, w := f.Value(), 0.0; g != w {
- t.Errorf("Float post-clear = %v; want %v", g, w)
- }
- f.CopyFrom(&f2)
- if g, w := f.Value(), 2.0; g != w {
- t.Errorf("Float post-CopyFrom = %v; want %v", g, w)
- }
-}
-
-type mockClock struct {
- time time.Time
-}
-
-func (m *mockClock) Time() time.Time { return m.time }
-func (m *mockClock) Set(t time.Time) { m.time = t }
-
-const buckets = 6
-
-var testResolutions = []time.Duration{
- 10 * time.Second, // level holds one minute of observations
- 100 * time.Second, // level holds ten minutes of observations
- 10 * time.Minute, // level holds one hour of observations
-}
-
-// TestTimeSeries uses a small number of buckets to force a higher
-// error rate on approximations from the timeseries.
-type TestTimeSeries struct {
- timeSeries
-}
-
-func TestExpectedErrorRate(t *testing.T) {
- ts := new(TestTimeSeries)
- fake := new(mockClock)
- fake.Set(time.Now())
- ts.timeSeries.init(testResolutions, NewFloat, buckets, fake)
- for i := 1; i <= 61*61; i++ {
- fake.Set(fake.Time().Add(1 * time.Second))
- ob := Float(1)
- ts.AddWithTime(&ob, fake.Time())
-
- // The results should be accurate within one missing bucket (1/6) of the observations recorded.
- checkNear(t, ts.Latest(0, buckets), min(float64(i), 60), 10)
- checkNear(t, ts.Latest(1, buckets), min(float64(i), 600), 100)
- checkNear(t, ts.Latest(2, buckets), min(float64(i), 3600), 600)
- }
-}
-
-func min(a, b float64) float64 {
- if a < b {
- return a
- }
- return b
-}