Add unit test for ReplaceStringPlaceholders

base/string_util_unittest.cc

Index: base/string_util_unittest.cc
diff --git a/base/string_util_unittest.cc b/base/string_util_unittest.cc
index 8a8fc3926fd80c17b7c450ad4051ee93560a2297..b01d44b34994ae6f67d7c9d8b0c72dedf072377a 100644
--- a/base/string_util_unittest.cc
+++ b/base/string_util_unittest.cc
@@ -1013,6 +1013,15 @@ TEST(StringUtilTest, StdStringReplaceStringPlaceholders) {
   EXPECT_EQ(formatted, "9aa,8bb,7cc,6dd,5ee,4ff,3gg,2hh,1ii");
 }
 
+TEST(StringUtilTest, ReplaceStringPlaceholdersConsecutiveDollarSigns) {
+  std::vector<std::string> subst;
+  subst.push_back("a");
+  subst.push_back("b");
+  subst.push_back("c");
+  EXPECT_EQ(ReplaceStringPlaceholders("$$1 $$$2 $$$$3", subst, NULL),

[eroman, 2010/08/31 06:37:06]

nit: EXPECT_EQ(expected, actual).

+            "$1 $$2 $$$3");
+}
+
 TEST(StringUtilTest, SplitStringAlongWhitespace) {
   struct TestData {
     const std::wstring input;