1 files changed, 75 insertions, 0 deletions
diff --git a/test/235.go b/test/235.go
new file mode 100644
index 0000000..6745dde
--- /dev/null
+++ b/test/235.go
@@ -0,0 +1,75 @@
+// run
+
+// Copyright 2009 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.
+
+// Solve the 2,3,5 problem (print all numbers with 2, 3, or 5 as factor) using channels.
+// Test the solution, silently.
+
+package main
+
+type T chan uint64
+
+func M(f uint64) (in, out T) {
+	in = make(T, 100)
+	out = make(T, 100)
+	go func(in, out T, f uint64) {
+		for {
+			out <- f*<-in
+		}
+	}(in, out, f)
+	return in, out
+}
+
+
+func min(xs []uint64) uint64 {
+	m := xs[0]
+	for i := 1; i < len(xs); i++ {
+		if xs[i] < m {
+			m = xs[i]
+		}
+	}
+	return m
+}
+
+
+func main() {
+	F := []uint64{2, 3, 5}
+	var n = len(F)
+	OUT := []uint64{
+		2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36,
+		40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125,
+		128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 243, 250,
+		256, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480,
+		486, 500, 512, 540, 576, 600, 625, 640, 648, 675, 720, 729, 750, 768,
+		800, 810, 864, 900, 960, 972, 1000, 1024, 1080, 1125, 1152, 1200, 1215,
+		1250, 1280, 1296, 1350, 1440, 1458, 1500, 1536, 1600}
+
+	x := uint64(1)
+	ins := make([]T, n)
+	outs := make([]T, n)
+	xs := make([]uint64, n)
+	for i := 0; i < n; i++ {
+		ins[i], outs[i] = M(F[i])
+		xs[i] = x
+	}
+
+	for i := 0; i < len(OUT); i++ {
+		for i := 0; i < n; i++ {
+			ins[i] <- x
+		}
+
+		for i := 0; i < n; i++ {
+			if xs[i] == x {
+				xs[i] = <-outs[i]
+			}
+		}
+
+		x = min(xs)
+		if x != OUT[i] {
+			println("bad: ", x, " should be ", OUT[i])
+			panic("235")
+		}
+	}
+}