Move ElideString() from base/string_util.cc to app/text_elider.cc to

reduce size of widely-included base libraries. 

Committing for tsepez.

BUG=49747
TEST=TextEliderTest.* 

Review URL: http://codereview.chromium.org/6017001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69555 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 27 insertions, 0 deletions

diff --git a/app/text_elider_unittest.cc b/app/text_elider_unittest.cc
index 8bb224c..e5a29d9 100644
--- a/app/text_elider_unittest.cc
+++ b/app/text_elider_unittest.cc
@@ -295,3 +295,30 @@ TEST(TextEliderTest, SortedDisplayURLCompare) {
     EXPECT_EQ(-tests[i].compare_result, url2.Compare(url1, collator.get()));
   }
 }
+
+TEST(TextEliderTest, ElideString) {
+  struct TestData {
+    const wchar_t* input;
+    int max_len;
+    bool result;
+    const wchar_t* output;
+  } cases[] = {
+    { L"Hello", 0, true, L"" },
+    { L"", 0, false, L"" },
+    { L"Hello, my name is Tom", 1, true, L"H" },
+    { L"Hello, my name is Tom", 2, true, L"He" },
+    { L"Hello, my name is Tom", 3, true, L"H.m" },
+    { L"Hello, my name is Tom", 4, true, L"H..m" },
+    { L"Hello, my name is Tom", 5, true, L"H...m" },
+    { L"Hello, my name is Tom", 6, true, L"He...m" },
+    { L"Hello, my name is Tom", 7, true, L"He...om" },
+    { L"Hello, my name is Tom", 10, true, L"Hell...Tom" },
+    { L"Hello, my name is Tom", 100, false, L"Hello, my name is Tom" }
+  };
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
+    std::wstring output;
+    EXPECT_EQ(cases[i].result,
+              gfx::ElideString(cases[i].input, cases[i].max_len, &output));
+    EXPECT_TRUE(output == cases[i].output);
+  }
+}