Imported Upstream version 1.4upstream/1.4

1 files changed, 0 insertions, 56 deletions

diff --git a/test/mapnan.go b/test/mapnan.go
deleted file mode 100644
index f081cab01..000000000
--- a/test/mapnan.go
+++ /dev/null
@@ -1,56 +0,0 @@
-// +build darwin linux
-// run
-
-// Copyright 2013 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.
-
-// Test that NaNs in maps don't go quadratic.
-
-package main
-
-import (
-	"fmt"
-	"math"
-	"time"
-)
-
-func main() {
-
-	// Test that NaNs in maps don't go quadratic.
-	t := func(n int) time.Duration {
-		t1 := time.Now()
-		m := map[float64]int{}
-		nan := math.NaN()
-		for i := 0; i < n; i++ {
-			m[nan] = 1
-		}
-		if len(m) != n {
-			panic("wrong size map after nan insertion")
-		}
-		return time.Since(t1)
-	}
-
-	// Depending on the machine and OS, this test might be too fast
-	// to measure with accurate enough granularity. On failure,
-	// make it run longer, hoping that the timing granularity
-	// is eventually sufficient.
-
-	n := 30000 // ~8ms user time on a Mid 2011 MacBook Air (1.8 GHz Core i7)
-	fails := 0
-	for {
-		t1 := t(n)
-		t2 := t(2 * n)
-		// should be 2x (linear); allow up to 3x
-		if t2 < 3*t1 {
-			return
-		}
-		fails++
-		if fails == 6 {
-			panic(fmt.Sprintf("too slow: %d inserts: %v; %d inserts: %v\n", n, t1, 2*n, t2))
-		}
-		if fails < 4 {
-			n *= 2
-		}
-	}
-}