code review 170046: Added a few more tests suggested by rsc to strings_test...

src/pkg/strings/strings_test.go

 // 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.
 
 package strings_test
 
 import (
         . "strings";
         "testing";
         "unicode";
@@ skipping 168 matching lines @@
                 }
         }
 }
 
 type FieldsTest struct {
         s       string;
         a       []string;
 }
 
 var fieldstests = []FieldsTest{
-        FieldsTest{"1 2 3 4", []string{"1", "2", "3", "4"}},
-        FieldsTest{"1  2  3  4", []string{"1", "2", "3", "4"}},
         FieldsTest{"", []string{}},
         FieldsTest{" ", []string{}},
         FieldsTest{" \t ", []string{}},
         FieldsTest{"  abc  ", []string{"abc"}},
+        FieldsTest{"1 2 3 4", []string{"1", "2", "3", "4"}},
+        FieldsTest{"1  2  3  4", []string{"1", "2", "3", "4"}},
         FieldsTest{"1\t\t2\t\t3\t4", []string{"1", "2", "3", "4"}},
         FieldsTest{"1\u20002\u20013\u20024", []string{"1", "2", "3", "4"}},
         FieldsTest{"\u2000\u2001\u2002", []string{}},
         FieldsTest{"\n™\t™\n", []string{"™", "™"}},
         FieldsTest{faces, []string{faces}},
 }
 
 func TestFields(t *testing.T) {
         for _, tt := range fieldstests {
                 a := Fields(tt.s);
@@ skipping 246 matching lines @@
                 }
                 if !tt.lossy {
                         // can only test reassembly if we didn't lose information
                         s := string(a);
                         if s != tt.in {
                                 t.Errorf("string(Runes(%q)) = %x; want %x", tt.in, s, tt.in)
                         }
                 }
         }
 }