libgo: Merge to master revision 19184.

The next revision, 19185, renames several runtime files, and
will be handled in a separate change.

From-SVN: r211328

1 files changed, 56 insertions, 0 deletions

diff --git a/libgo/go/time/zoneinfo_test.go b/libgo/go/time/zoneinfo_test.go
new file mode 100644
index 00000000000..03f54a69360
--- /dev/null
+++ b/libgo/go/time/zoneinfo_test.go
@@ -0,0 +1,56 @@
+// Copyright 2014 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 time_test
+
+import (
+	"testing"
+	"time"
+)
+
+// Test that we get the correct results for times before the first
+// transition time.  To do this we explicitly check early dates in a
+// couple of specific timezones.
+func TestFirstZone(t *testing.T) {
+	t.Skip("gccgo does not use the zip file")
+
+	time.ForceZipFileForTesting(true)
+	defer time.ForceZipFileForTesting(false)
+
+	const format = "Mon, 02 Jan 2006 15:04:05 -0700 (MST)"
+	var tests = []struct {
+		zone  string
+		unix  int64
+		want1 string
+		want2 string
+	}{
+		{
+			"PST8PDT",
+			-1633269601,
+			"Sun, 31 Mar 1918 01:59:59 -0800 (PST)",
+			"Sun, 31 Mar 1918 03:00:00 -0700 (PDT)",
+		},
+		{
+			"Pacific/Fakaofo",
+			1325242799,
+			"Thu, 29 Dec 2011 23:59:59 -1100 (TKT)",
+			"Sat, 31 Dec 2011 00:00:00 +1300 (TKT)",
+		},
+	}
+
+	for _, test := range tests {
+		z, err := time.LoadLocation(test.zone)
+		if err != nil {
+			t.Fatal(err)
+		}
+		s := time.Unix(test.unix, 0).In(z).Format(format)
+		if s != test.want1 {
+			t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want1)
+		}
+		s = time.Unix(test.unix+1, 0).In(z).Format(format)
+		if s != test.want2 {
+			t.Errorf("for %s %d got %q want %q", test.zone, test.unix, s, test.want2)
+		}
+	}
+}