Initial import.

1 files changed, 318 insertions, 0 deletions

diff --git a/chromium/base/strings/string_split_unittest.cc b/chromium/base/strings/string_split_unittest.cc
new file mode 100644
index 00000000000..eb69b68fcbd
--- /dev/null
+++ b/chromium/base/strings/string_split_unittest.cc
@@ -0,0 +1,318 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/strings/string_split.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::ElementsAre;
+
+namespace base {
+
+namespace {
+
+#if !defined(WCHAR_T_IS_UTF16)
+// Overload SplitString with a wide-char version to make it easier to
+// test the string16 version with wide character literals.
+void SplitString(const std::wstring& str,
+                 wchar_t c,
+                 std::vector<std::wstring>* result) {
+  std::vector<string16> result16;
+  SplitString(WideToUTF16(str), c, &result16);
+  for (size_t i = 0; i < result16.size(); ++i)
+    result->push_back(UTF16ToWide(result16[i]));
+}
+#endif
+
+}  // anonymous namespace
+
+class SplitStringIntoKeyValuesTest : public testing::Test {
+ protected:
+  std::string key;
+  std::vector<std::string> values;
+};
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyInputMultipleValues) {
+  EXPECT_FALSE(SplitStringIntoKeyValues(std::string(),  // Empty input
+                                        '\t',           // Key separators
+                                        &key,
+                                        &values));
+  EXPECT_TRUE(key.empty());
+  EXPECT_TRUE(values.empty());
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyValueInputMultipleValues) {
+  EXPECT_FALSE(SplitStringIntoKeyValues("key_with_no_value\t",
+                                        '\t',  // Key separators
+                                        &key, &values));
+  EXPECT_EQ("key_with_no_value", key);
+  EXPECT_TRUE(values.empty());
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyKeyInputMultipleValues) {
+  EXPECT_TRUE(SplitStringIntoKeyValues("\tvalue for empty key",
+                                       '\t',  // Key separators
+                                       &key, &values));
+  EXPECT_TRUE(key.empty());
+  ASSERT_EQ(1U, values.size());
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, KeyWithMultipleValues) {
+  EXPECT_TRUE(SplitStringIntoKeyValues("key1\tvalue1,   value2   value3",
+                                       '\t',  // Key separators
+                                       &key, &values));
+  EXPECT_EQ("key1", key);
+  ASSERT_EQ(1U, values.size());
+  EXPECT_EQ("value1,   value2   value3", values[0]);
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyInputSingleValue) {
+  EXPECT_FALSE(SplitStringIntoKeyValues(std::string(),  // Empty input
+                                        '\t',           // Key separators
+                                        &key,
+                                        &values));
+  EXPECT_TRUE(key.empty());
+  EXPECT_TRUE(values.empty());
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyValueInputSingleValue) {
+  EXPECT_FALSE(SplitStringIntoKeyValues("key_with_no_value\t",
+                                        '\t',  // Key separators
+                                        &key, &values));
+  EXPECT_EQ("key_with_no_value", key);
+  EXPECT_TRUE(values.empty());
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, EmptyKeyInputSingleValue) {
+  EXPECT_TRUE(SplitStringIntoKeyValues("\tvalue for empty key",
+                                       '\t',  // Key separators
+                                       &key, &values));
+  EXPECT_TRUE(key.empty());
+  ASSERT_EQ(1U, values.size());
+  EXPECT_EQ("value for empty key", values[0]);
+}
+
+TEST_F(SplitStringIntoKeyValuesTest, KeyWithSingleValue) {
+  EXPECT_TRUE(SplitStringIntoKeyValues("key1\tvalue1,   value2   value3",
+                                       '\t',  // Key separators
+                                       &key, &values));
+  EXPECT_EQ("key1", key);
+  ASSERT_EQ(1U, values.size());
+  EXPECT_EQ("value1,   value2   value3", values[0]);
+}
+
+class SplitStringIntoKeyValuePairsTest : public testing::Test {
+ protected:
+  std::vector<std::pair<std::string, std::string> > kv_pairs;
+};
+
+TEST_F(SplitStringIntoKeyValuePairsTest, EmptyString) {
+  EXPECT_TRUE(SplitStringIntoKeyValuePairs(std::string(),
+                                           ':',  // Key-value delimiters
+                                           ',',  // Key-value pair delims
+                                           &kv_pairs));
+  EXPECT_TRUE(kv_pairs.empty());
+}
+
+TEST_F(SplitStringIntoKeyValuePairsTest, EmptySecondPair) {
+  EXPECT_TRUE(SplitStringIntoKeyValuePairs("key1:value1,,key3:value3",
+                                           ':',   // Key-value delimiters
+                                           ',',   // Key-value pair delims
+                                           &kv_pairs));
+  ASSERT_EQ(2U, kv_pairs.size());
+  EXPECT_EQ("key1", kv_pairs[0].first);
+  EXPECT_EQ("value1", kv_pairs[0].second);
+  EXPECT_EQ("key3", kv_pairs[1].first);
+  EXPECT_EQ("value3", kv_pairs[1].second);
+}
+
+TEST_F(SplitStringIntoKeyValuePairsTest, EmptySecondValue) {
+  EXPECT_FALSE(SplitStringIntoKeyValuePairs("key1:value1 , key2:",
+                                            ':',   // Key-value delimiters
+                                            ',',   // Key-value pair delims
+                                            &kv_pairs));
+  ASSERT_EQ(2U, kv_pairs.size());
+  EXPECT_EQ("key1", kv_pairs[0].first);
+  EXPECT_EQ("value1", kv_pairs[0].second);
+  EXPECT_EQ("key2", kv_pairs[1].first);
+  EXPECT_EQ("", kv_pairs[1].second);
+}
+
+TEST_F(SplitStringIntoKeyValuePairsTest, DelimiterInValue) {
+  EXPECT_TRUE(SplitStringIntoKeyValuePairs("key1:va:ue1 , key2:value2",
+                                           ':',   // Key-value delimiters
+                                           ',',   // Key-value pair delims
+                                           &kv_pairs));
+  ASSERT_EQ(2U, kv_pairs.size());
+  EXPECT_EQ("key1", kv_pairs[0].first);
+  EXPECT_EQ("va:ue1", kv_pairs[0].second);
+  EXPECT_EQ("key2", kv_pairs[1].first);
+  EXPECT_EQ("value2", kv_pairs[1].second);
+}
+
+TEST(SplitStringUsingSubstrTest, EmptyString) {
+  std::vector<std::string> results;
+  SplitStringUsingSubstr(std::string(), "DELIMITER", &results);
+  ASSERT_EQ(1u, results.size());
+  EXPECT_THAT(results, ElementsAre(""));
+}
+
+// Test for SplitString
+TEST(StringUtilTest, SplitString) {
+  std::vector<std::wstring> r;
+
+  SplitString(std::wstring(), L',', &r);
+  EXPECT_EQ(0U, r.size());
+  r.clear();
+
+  SplitString(L"a,b,c", L',', &r);
+  ASSERT_EQ(3U, r.size());
+  EXPECT_EQ(r[0], L"a");
+  EXPECT_EQ(r[1], L"b");
+  EXPECT_EQ(r[2], L"c");
+  r.clear();
+
+  SplitString(L"a, b, c", L',', &r);
+  ASSERT_EQ(3U, r.size());
+  EXPECT_EQ(r[0], L"a");
+  EXPECT_EQ(r[1], L"b");
+  EXPECT_EQ(r[2], L"c");
+  r.clear();
+
+  SplitString(L"a,,c", L',', &r);
+  ASSERT_EQ(3U, r.size());
+  EXPECT_EQ(r[0], L"a");
+  EXPECT_EQ(r[1], L"");
+  EXPECT_EQ(r[2], L"c");
+  r.clear();
+
+  SplitString(L"   ", L'*', &r);
+  EXPECT_EQ(0U, r.size());
+  r.clear();
+
+  SplitString(L"foo", L'*', &r);
+  ASSERT_EQ(1U, r.size());
+  EXPECT_EQ(r[0], L"foo");
+  r.clear();
+
+  SplitString(L"foo ,", L',', &r);
+  ASSERT_EQ(2U, r.size());
+  EXPECT_EQ(r[0], L"foo");
+  EXPECT_EQ(r[1], L"");
+  r.clear();
+
+  SplitString(L",", L',', &r);
+  ASSERT_EQ(2U, r.size());
+  EXPECT_EQ(r[0], L"");
+  EXPECT_EQ(r[1], L"");
+  r.clear();
+
+  SplitString(L"\t\ta\t", L'\t', &r);
+  ASSERT_EQ(4U, r.size());
+  EXPECT_EQ(r[0], L"");
+  EXPECT_EQ(r[1], L"");
+  EXPECT_EQ(r[2], L"a");
+  EXPECT_EQ(r[3], L"");
+  r.clear();
+
+  SplitString(L"\ta\t\nb\tcc", L'\n', &r);
+  ASSERT_EQ(2U, r.size());
+  EXPECT_EQ(r[0], L"a");
+  EXPECT_EQ(r[1], L"b\tcc");
+  r.clear();
+}
+
+TEST(SplitStringUsingSubstrTest, StringWithNoDelimiter) {
+  std::vector<std::string> results;
+  SplitStringUsingSubstr("alongwordwithnodelimiter", "DELIMITER", &results);
+  ASSERT_EQ(1u, results.size());
+  EXPECT_THAT(results, ElementsAre("alongwordwithnodelimiter"));
+}
+
+TEST(SplitStringUsingSubstrTest, LeadingDelimitersSkipped) {
+  std::vector<std::string> results;
+  SplitStringUsingSubstr(
+      "DELIMITERDELIMITERDELIMITERoneDELIMITERtwoDELIMITERthree",
+      "DELIMITER",
+      &results);
+  ASSERT_EQ(6u, results.size());
+  EXPECT_THAT(results, ElementsAre("", "", "", "one", "two", "three"));
+}
+
+TEST(SplitStringUsingSubstrTest, ConsecutiveDelimitersSkipped) {
+  std::vector<std::string> results;
+  SplitStringUsingSubstr(
+      "unoDELIMITERDELIMITERDELIMITERdosDELIMITERtresDELIMITERDELIMITERcuatro",
+      "DELIMITER",
+      &results);
+  ASSERT_EQ(7u, results.size());
+  EXPECT_THAT(results, ElementsAre("uno", "", "", "dos", "tres", "", "cuatro"));
+}
+
+TEST(SplitStringUsingSubstrTest, TrailingDelimitersSkipped) {
+  std::vector<std::string> results;
+  SplitStringUsingSubstr(
+      "unDELIMITERdeuxDELIMITERtroisDELIMITERquatreDELIMITERDELIMITERDELIMITER",
+      "DELIMITER",
+      &results);
+  ASSERT_EQ(7u, results.size());
+  EXPECT_THAT(
+      results, ElementsAre("un", "deux", "trois", "quatre", "", "", ""));
+}
+
+TEST(StringSplitTest, StringSplitDontTrim) {
+  std::vector<std::string> r;
+
+  SplitStringDontTrim("   ", '*', &r);
+  ASSERT_EQ(1U, r.size());
+  EXPECT_EQ(r[0], "   ");
+
+  SplitStringDontTrim("\t  \ta\t ", '\t', &r);
+  ASSERT_EQ(4U, r.size());
+  EXPECT_EQ(r[0], "");
+  EXPECT_EQ(r[1], "  ");
+  EXPECT_EQ(r[2], "a");
+  EXPECT_EQ(r[3], " ");
+
+  SplitStringDontTrim("\ta\t\nb\tcc", '\n', &r);
+  ASSERT_EQ(2U, r.size());
+  EXPECT_EQ(r[0], "\ta\t");
+  EXPECT_EQ(r[1], "b\tcc");
+}
+
+TEST(StringSplitTest, SplitStringAlongWhitespace) {
+  struct TestData {
+    const char* input;
+    const size_t expected_result_count;
+    const char* output1;
+    const char* output2;
+  } data[] = {
+    { "a",       1, "a",  ""   },
+    { " ",       0, "",   ""   },
+    { " a",      1, "a",  ""   },
+    { " ab ",    1, "ab", ""   },
+    { " ab c",   2, "ab", "c"  },
+    { " ab c ",  2, "ab", "c"  },
+    { " ab cd",  2, "ab", "cd" },
+    { " ab cd ", 2, "ab", "cd" },
+    { " \ta\t",  1, "a",  ""   },
+    { " b\ta\t", 2, "b",  "a"  },
+    { " b\tat",  2, "b",  "at" },
+    { "b\tat",   2, "b",  "at" },
+    { "b\t at",  2, "b",  "at" },
+  };
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(data); ++i) {
+    std::vector<std::string> results;
+    SplitStringAlongWhitespace(data[i].input, &results);
+    ASSERT_EQ(data[i].expected_result_count, results.size());
+    if (data[i].expected_result_count > 0)
+      ASSERT_EQ(data[i].output1, results[0]);
+    if (data[i].expected_result_count > 1)
+      ASSERT_EQ(data[i].output2, results[1]);
+  }
+}
+
+}  // namespace base