From: Dmitriy Vyukov <dvyukov@google.com>
Date: Thu, 19 Jan 2012 12:17:44 +0000 (+0400)
Subject: math/rand: decrease test duration in short mode
X-Git-Tag: weekly.2012-01-20~27
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=f2f0059307e3ff555858b2d51493187f467c17e2;p=gostls13.git

math/rand: decrease test duration in short mode
TestNonStandardNormalValues runs 1.5s,
the change reduces it to 0.2s in short mode.
The problem is with slow machines, emulators and dynamic tools.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5540065
---

diff --git a/src/pkg/math/rand/rand_test.go b/src/pkg/math/rand/rand_test.go
index 76215a978a..0ba8f98c49 100644
--- a/src/pkg/math/rand/rand_test.go
+++ b/src/pkg/math/rand/rand_test.go
@@ -131,8 +131,14 @@ func TestStandardNormalValues(t *testing.T) {
 }
 
 func TestNonStandardNormalValues(t *testing.T) {
-	for sd := 0.5; sd < 1000; sd *= 2 {
-		for m := 0.5; m < 1000; m *= 2 {
+	sdmax := 1000.0
+	mmax := 1000.0
+	if testing.Short() {
+		sdmax = 5
+		mmax = 5
+	}
+	for sd := 0.5; sd < sdmax; sd *= 2 {
+		for m := 0.5; m < mmax; m *= 2 {
 			for _, seed := range testSeeds {
 				testNormalDistribution(t, numTestSamples, m, sd, seed)
 			}