From: Ian Lance Taylor <iant@golang.org>
Date: Fri, 5 Mar 2010 18:43:33 +0000 (-0800)
Subject: Generate same output on all architectures.
X-Git-Tag: weekly.2010-03-15~53
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=4b22e1bdb656e8d3e337ea6e57deadede4a9db10;p=gostls13.git

Generate same output on all architectures.

Passing an argument to bug260 will indicate which alignments
are wrong.

R=r
CC=golang-dev
https://golang.org/cl/231042
---

diff --git a/test/bugs/bug260.go b/test/bugs/bug260.go
index cbdd148766..6a6331e65b 100644
--- a/test/bugs/bug260.go
+++ b/test/bugs/bug260.go
@@ -1,4 +1,4 @@
-// $G $D/$F.go && $L $F.$A && ./$A.out
+// $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG: bug260 failed
 
 // Test that structures pack densely, according to the alignment of the largest field.
 
@@ -15,27 +15,41 @@ type T2 struct { x uint16 }
 type T4 struct { x uint32 }
 
 func main() {
+	report := len(os.Args) > 1
 	status := 0
 	var b1 [10]T1
 	a0, _ := strconv.Btoui64(fmt.Sprintf("%p", &b1[0])[2:], 16)
 	a1, _ := strconv.Btoui64(fmt.Sprintf("%p", &b1[1])[2:], 16)
 	if a1 != a0 + 1 {
-		fmt.Println("FAIL: alignment should be 1, is", a1-a0)
+		fmt.Println("FAIL")
+		if report {
+			fmt.Println("alignment should be 1, is", a1-a0)
+		}
 		status = 1
 	}
 	var b2 [10]T2
 	a0, _ = strconv.Btoui64(fmt.Sprintf("%p", &b2[0])[2:], 16)
 	a1, _ = strconv.Btoui64(fmt.Sprintf("%p", &b2[1])[2:], 16)
 	if a1 != a0 + 2 {
-		fmt.Println("FAIL: alignment should be 2, is", a1-a0)
-		status = 1
+		if status == 0 {
+			fmt.Println("FAIL")
+			status = 1
+		}
+		if report {
+			fmt.Println("alignment should be 2, is", a1-a0)
+		}
 	}
 	var b4 [10]T4
 	a0, _ = strconv.Btoui64(fmt.Sprintf("%p", &b4[0])[2:], 16)
 	a1, _ = strconv.Btoui64(fmt.Sprintf("%p", &b4[1])[2:], 16)
 	if a1 != a0 + 4 {
-		fmt.Println("FAIL: alignment should be 4, is", a1-a0)
-		status = 1
+		if status == 0 {
+			fmt.Println("FAIL")
+			status = 1
+		}
+		if report {
+			fmt.Println("alignment should be 4, is", a1-a0)
+		}
 	}
 	os.Exit(status)
 }
diff --git a/test/golden.out b/test/golden.out
index 56b9dd96d9..cd9335f462 100644
--- a/test/golden.out
+++ b/test/golden.out
@@ -152,6 +152,5 @@ panic PC=xxx
 == bugs/
 
 =========== bugs/bug260.go
-FAIL: alignment should be 1, is 8
-FAIL: alignment should be 2, is 8
-FAIL: alignment should be 4, is 8
+FAIL
+BUG: bug260 failed