Squashed 'third_party/protobuf/' content from commit e35e248
Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/src/google/protobuf/stubs/stringpiece_unittest.cc b/src/google/protobuf/stubs/stringpiece_unittest.cc
new file mode 100644
index 0000000..a52d81f
--- /dev/null
+++ b/src/google/protobuf/stubs/stringpiece_unittest.cc
@@ -0,0 +1,794 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#include <google/protobuf/stubs/stringpiece.h>
+
+#include <iterator>
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include <google/protobuf/testing/googletest.h>
+#include <google/protobuf/stubs/hash.h>
+#include <gtest/gtest.h>
+
+namespace google {
+namespace protobuf {
+namespace {
+TEST(StringPiece, Ctor) {
+ {
+ // Null.
+ StringPiece s10;
+ EXPECT_TRUE(s10.data() == NULL);
+ EXPECT_EQ(0, s10.length());
+ }
+
+ {
+ // const char* without length.
+ const char* hello = "hello";
+ StringPiece s20(hello);
+ EXPECT_TRUE(s20.data() == hello);
+ EXPECT_EQ(5, s20.length());
+
+ // const char* with length.
+ StringPiece s21(hello, 4);
+ EXPECT_TRUE(s21.data() == hello);
+ EXPECT_EQ(4, s21.length());
+
+ // Not recommended, but valid C++
+ StringPiece s22(hello, 6);
+ EXPECT_TRUE(s22.data() == hello);
+ EXPECT_EQ(6, s22.length());
+ }
+
+ {
+ // std::string.
+ std::string hola = "hola";
+ StringPiece s30(hola);
+ EXPECT_TRUE(s30.data() == hola.data());
+ EXPECT_EQ(4, s30.length());
+
+ // std::string with embedded '\0'.
+ hola.push_back('\0');
+ hola.append("h2");
+ hola.push_back('\0');
+ StringPiece s31(hola);
+ EXPECT_TRUE(s31.data() == hola.data());
+ EXPECT_EQ(8, s31.length());
+ }
+
+#if defined(HAS_GLOBAL_STRING)
+ {
+ // ::string
+ string bonjour = "bonjour";
+ StringPiece s40(bonjour);
+ EXPECT_TRUE(s40.data() == bonjour.data());
+ EXPECT_EQ(7, s40.length());
+ }
+#endif
+
+ // TODO(mec): StringPiece(StringPiece x, int pos);
+ // TODO(mec): StringPiece(StringPiece x, int pos, int len);
+ // TODO(mec): StringPiece(const StringPiece&);
+}
+
+TEST(StringPiece, STLComparator) {
+ string s1("foo");
+ string s2("bar");
+ string s3("baz");
+
+ StringPiece p1(s1);
+ StringPiece p2(s2);
+ StringPiece p3(s3);
+
+ typedef std::map<StringPiece, int> TestMap;
+ TestMap map;
+
+ map.insert(std::make_pair(p1, 0));
+ map.insert(std::make_pair(p2, 1));
+ map.insert(std::make_pair(p3, 2));
+ EXPECT_EQ(map.size(), 3);
+
+ TestMap::const_iterator iter = map.begin();
+ EXPECT_EQ(iter->second, 1);
+ ++iter;
+ EXPECT_EQ(iter->second, 2);
+ ++iter;
+ EXPECT_EQ(iter->second, 0);
+ ++iter;
+ EXPECT_TRUE(iter == map.end());
+
+ TestMap::iterator new_iter = map.find("zot");
+ EXPECT_TRUE(new_iter == map.end());
+
+ new_iter = map.find("bar");
+ EXPECT_TRUE(new_iter != map.end());
+
+ map.erase(new_iter);
+ EXPECT_EQ(map.size(), 2);
+
+ iter = map.begin();
+ EXPECT_EQ(iter->second, 2);
+ ++iter;
+ EXPECT_EQ(iter->second, 0);
+ ++iter;
+ EXPECT_TRUE(iter == map.end());
+}
+
+TEST(StringPiece, ComparisonOperators) {
+#define COMPARE(result, op, x, y) \
+ EXPECT_EQ(result, StringPiece((x)) op StringPiece((y))); \
+ EXPECT_EQ(result, StringPiece((x)).compare(StringPiece((y))) op 0)
+
+ COMPARE(true, ==, "", "");
+ COMPARE(true, ==, "", NULL);
+ COMPARE(true, ==, NULL, "");
+ COMPARE(true, ==, "a", "a");
+ COMPARE(true, ==, "aa", "aa");
+ COMPARE(false, ==, "a", "");
+ COMPARE(false, ==, "", "a");
+ COMPARE(false, ==, "a", "b");
+ COMPARE(false, ==, "a", "aa");
+ COMPARE(false, ==, "aa", "a");
+
+ COMPARE(false, !=, "", "");
+ COMPARE(false, !=, "a", "a");
+ COMPARE(false, !=, "aa", "aa");
+ COMPARE(true, !=, "a", "");
+ COMPARE(true, !=, "", "a");
+ COMPARE(true, !=, "a", "b");
+ COMPARE(true, !=, "a", "aa");
+ COMPARE(true, !=, "aa", "a");
+
+ COMPARE(true, <, "a", "b");
+ COMPARE(true, <, "a", "aa");
+ COMPARE(true, <, "aa", "b");
+ COMPARE(true, <, "aa", "bb");
+ COMPARE(false, <, "a", "a");
+ COMPARE(false, <, "b", "a");
+ COMPARE(false, <, "aa", "a");
+ COMPARE(false, <, "b", "aa");
+ COMPARE(false, <, "bb", "aa");
+
+ COMPARE(true, <=, "a", "a");
+ COMPARE(true, <=, "a", "b");
+ COMPARE(true, <=, "a", "aa");
+ COMPARE(true, <=, "aa", "b");
+ COMPARE(true, <=, "aa", "bb");
+ COMPARE(false, <=, "b", "a");
+ COMPARE(false, <=, "aa", "a");
+ COMPARE(false, <=, "b", "aa");
+ COMPARE(false, <=, "bb", "aa");
+
+ COMPARE(false, >=, "a", "b");
+ COMPARE(false, >=, "a", "aa");
+ COMPARE(false, >=, "aa", "b");
+ COMPARE(false, >=, "aa", "bb");
+ COMPARE(true, >=, "a", "a");
+ COMPARE(true, >=, "b", "a");
+ COMPARE(true, >=, "aa", "a");
+ COMPARE(true, >=, "b", "aa");
+ COMPARE(true, >=, "bb", "aa");
+
+ COMPARE(false, >, "a", "a");
+ COMPARE(false, >, "a", "b");
+ COMPARE(false, >, "a", "aa");
+ COMPARE(false, >, "aa", "b");
+ COMPARE(false, >, "aa", "bb");
+ COMPARE(true, >, "b", "a");
+ COMPARE(true, >, "aa", "a");
+ COMPARE(true, >, "b", "aa");
+ COMPARE(true, >, "bb", "aa");
+
+ string x;
+ for (int i = 0; i < 256; i++) {
+ x += 'a';
+ string y = x;
+ COMPARE(true, ==, x, y);
+ for (int j = 0; j < i; j++) {
+ string z = x;
+ z[j] = 'b'; // Differs in position 'j'
+ COMPARE(false, ==, x, z);
+ COMPARE(true, <, x, z);
+ COMPARE(true, >, z, x);
+ if (j + 1 < i) {
+ z[j + 1] = 'A'; // Differs in position 'j+1' as well
+ COMPARE(false, ==, x, z);
+ COMPARE(true, <, x, z);
+ COMPARE(true, >, z, x);
+ z[j + 1] = 'z'; // Differs in position 'j+1' as well
+ COMPARE(false, ==, x, z);
+ COMPARE(true, <, x, z);
+ COMPARE(true, >, z, x);
+ }
+ }
+ }
+
+#undef COMPARE
+}
+
+TEST(StringPiece, STL1) {
+ const StringPiece a("abcdefghijklmnopqrstuvwxyz");
+ const StringPiece b("abc");
+ const StringPiece c("xyz");
+ const StringPiece d("foobar");
+ const StringPiece e;
+ string temp("123");
+ temp += '\0';
+ temp += "456";
+ const StringPiece f(temp);
+
+ EXPECT_EQ(a[6], 'g');
+ EXPECT_EQ(b[0], 'a');
+ EXPECT_EQ(c[2], 'z');
+ EXPECT_EQ(f[3], '\0');
+ EXPECT_EQ(f[5], '5');
+
+ EXPECT_EQ(*d.data(), 'f');
+ EXPECT_EQ(d.data()[5], 'r');
+ EXPECT_TRUE(e.data() == NULL);
+
+ EXPECT_EQ(*a.begin(), 'a');
+ EXPECT_EQ(*(b.begin() + 2), 'c');
+ EXPECT_EQ(*(c.end() - 1), 'z');
+
+ EXPECT_EQ(*a.rbegin(), 'z');
+ EXPECT_EQ(*(b.rbegin() + 2), 'a');
+ EXPECT_EQ(*(c.rend() - 1), 'x');
+ EXPECT_TRUE(a.rbegin() + 26 == a.rend());
+
+ EXPECT_EQ(a.size(), 26);
+ EXPECT_EQ(b.size(), 3);
+ EXPECT_EQ(c.size(), 3);
+ EXPECT_EQ(d.size(), 6);
+ EXPECT_EQ(e.size(), 0);
+ EXPECT_EQ(f.size(), 7);
+
+ EXPECT_TRUE(!d.empty());
+ EXPECT_TRUE(d.begin() != d.end());
+ EXPECT_TRUE(d.begin() + 6 == d.end());
+
+ EXPECT_TRUE(e.empty());
+ EXPECT_TRUE(e.begin() == e.end());
+
+ EXPECT_GE(a.max_size(), a.capacity());
+ EXPECT_GE(a.capacity(), a.size());
+
+ char buf[4] = { '%', '%', '%', '%' };
+ EXPECT_EQ(a.copy(buf, 4), 4);
+ EXPECT_EQ(buf[0], a[0]);
+ EXPECT_EQ(buf[1], a[1]);
+ EXPECT_EQ(buf[2], a[2]);
+ EXPECT_EQ(buf[3], a[3]);
+ EXPECT_EQ(a.copy(buf, 3, 7), 3);
+ EXPECT_EQ(buf[0], a[7]);
+ EXPECT_EQ(buf[1], a[8]);
+ EXPECT_EQ(buf[2], a[9]);
+ EXPECT_EQ(buf[3], a[3]);
+ EXPECT_EQ(c.copy(buf, 99), 3);
+ EXPECT_EQ(buf[0], c[0]);
+ EXPECT_EQ(buf[1], c[1]);
+ EXPECT_EQ(buf[2], c[2]);
+ EXPECT_EQ(buf[3], a[3]);
+}
+
+// Separated from STL1() because some compilers produce an overly
+// large stack frame for the combined function.
+TEST(StringPiece, STL2) {
+ const StringPiece a("abcdefghijklmnopqrstuvwxyz");
+ const StringPiece b("abc");
+ const StringPiece c("xyz");
+ StringPiece d("foobar");
+ const StringPiece e;
+ const StringPiece f("123" "\0" "456", 7);
+
+ d.clear();
+ EXPECT_EQ(d.size(), 0);
+ EXPECT_TRUE(d.empty());
+ EXPECT_TRUE(d.data() == NULL);
+ EXPECT_TRUE(d.begin() == d.end());
+
+ EXPECT_EQ(StringPiece::npos, string::npos);
+
+ EXPECT_EQ(a.find(b), 0);
+ EXPECT_EQ(a.find(b, 1), StringPiece::npos);
+ EXPECT_EQ(a.find(c), 23);
+ EXPECT_EQ(a.find(c, 9), 23);
+ EXPECT_EQ(a.find(c, StringPiece::npos), StringPiece::npos);
+ EXPECT_EQ(b.find(c), StringPiece::npos);
+ EXPECT_EQ(b.find(c, StringPiece::npos), StringPiece::npos);
+ EXPECT_EQ(a.find(d), 0);
+ EXPECT_EQ(a.find(e), 0);
+ EXPECT_EQ(a.find(d, 12), 12);
+ EXPECT_EQ(a.find(e, 17), 17);
+ StringPiece g("xx not found bb");
+ EXPECT_EQ(a.find(g), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(d.find(b), StringPiece::npos);
+ EXPECT_EQ(e.find(b), StringPiece::npos);
+ EXPECT_EQ(d.find(b, 4), StringPiece::npos);
+ EXPECT_EQ(e.find(b, 7), StringPiece::npos);
+
+ size_t empty_search_pos = string().find(string());
+ EXPECT_EQ(d.find(d), empty_search_pos);
+ EXPECT_EQ(d.find(e), empty_search_pos);
+ EXPECT_EQ(e.find(d), empty_search_pos);
+ EXPECT_EQ(e.find(e), empty_search_pos);
+ EXPECT_EQ(d.find(d, 4), string().find(string(), 4));
+ EXPECT_EQ(d.find(e, 4), string().find(string(), 4));
+ EXPECT_EQ(e.find(d, 4), string().find(string(), 4));
+ EXPECT_EQ(e.find(e, 4), string().find(string(), 4));
+
+ EXPECT_EQ(a.find('a'), 0);
+ EXPECT_EQ(a.find('c'), 2);
+ EXPECT_EQ(a.find('z'), 25);
+ EXPECT_EQ(a.find('$'), StringPiece::npos);
+ EXPECT_EQ(a.find('\0'), StringPiece::npos);
+ EXPECT_EQ(f.find('\0'), 3);
+ EXPECT_EQ(f.find('3'), 2);
+ EXPECT_EQ(f.find('5'), 5);
+ EXPECT_EQ(g.find('o'), 4);
+ EXPECT_EQ(g.find('o', 4), 4);
+ EXPECT_EQ(g.find('o', 5), 8);
+ EXPECT_EQ(a.find('b', 5), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(d.find('\0'), StringPiece::npos);
+ EXPECT_EQ(e.find('\0'), StringPiece::npos);
+ EXPECT_EQ(d.find('\0', 4), StringPiece::npos);
+ EXPECT_EQ(e.find('\0', 7), StringPiece::npos);
+ EXPECT_EQ(d.find('x'), StringPiece::npos);
+ EXPECT_EQ(e.find('x'), StringPiece::npos);
+ EXPECT_EQ(d.find('x', 4), StringPiece::npos);
+ EXPECT_EQ(e.find('x', 7), StringPiece::npos);
+
+ EXPECT_EQ(a.rfind(b), 0);
+ EXPECT_EQ(a.rfind(b, 1), 0);
+ EXPECT_EQ(a.rfind(c), 23);
+ EXPECT_EQ(a.rfind(c, 22), StringPiece::npos);
+ EXPECT_EQ(a.rfind(c, 1), StringPiece::npos);
+ EXPECT_EQ(a.rfind(c, 0), StringPiece::npos);
+ EXPECT_EQ(b.rfind(c), StringPiece::npos);
+ EXPECT_EQ(b.rfind(c, 0), StringPiece::npos);
+ EXPECT_EQ(a.rfind(d), a.as_string().rfind(string()));
+ EXPECT_EQ(a.rfind(e), a.as_string().rfind(string()));
+ EXPECT_EQ(a.rfind(d, 12), 12);
+ EXPECT_EQ(a.rfind(e, 17), 17);
+ EXPECT_EQ(a.rfind(g), StringPiece::npos);
+ EXPECT_EQ(d.rfind(b), StringPiece::npos);
+ EXPECT_EQ(e.rfind(b), StringPiece::npos);
+ EXPECT_EQ(d.rfind(b, 4), StringPiece::npos);
+ EXPECT_EQ(e.rfind(b, 7), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(d.rfind(d, 4), string().rfind(string()));
+ EXPECT_EQ(e.rfind(d, 7), string().rfind(string()));
+ EXPECT_EQ(d.rfind(e, 4), string().rfind(string()));
+ EXPECT_EQ(e.rfind(e, 7), string().rfind(string()));
+ EXPECT_EQ(d.rfind(d), string().rfind(string()));
+ EXPECT_EQ(e.rfind(d), string().rfind(string()));
+ EXPECT_EQ(d.rfind(e), string().rfind(string()));
+ EXPECT_EQ(e.rfind(e), string().rfind(string()));
+
+ EXPECT_EQ(g.rfind('o'), 8);
+ EXPECT_EQ(g.rfind('q'), StringPiece::npos);
+ EXPECT_EQ(g.rfind('o', 8), 8);
+ EXPECT_EQ(g.rfind('o', 7), 4);
+ EXPECT_EQ(g.rfind('o', 3), StringPiece::npos);
+ EXPECT_EQ(f.rfind('\0'), 3);
+ EXPECT_EQ(f.rfind('\0', 12), 3);
+ EXPECT_EQ(f.rfind('3'), 2);
+ EXPECT_EQ(f.rfind('5'), 5);
+ // empty string nonsense
+ EXPECT_EQ(d.rfind('o'), StringPiece::npos);
+ EXPECT_EQ(e.rfind('o'), StringPiece::npos);
+ EXPECT_EQ(d.rfind('o', 4), StringPiece::npos);
+ EXPECT_EQ(e.rfind('o', 7), StringPiece::npos);
+
+ EXPECT_EQ(a.find_first_of(b), 0);
+ EXPECT_EQ(a.find_first_of(b, 0), 0);
+ EXPECT_EQ(a.find_first_of(b, 1), 1);
+ EXPECT_EQ(a.find_first_of(b, 2), 2);
+ EXPECT_EQ(a.find_first_of(b, 3), StringPiece::npos);
+ EXPECT_EQ(a.find_first_of(c), 23);
+ EXPECT_EQ(a.find_first_of(c, 23), 23);
+ EXPECT_EQ(a.find_first_of(c, 24), 24);
+ EXPECT_EQ(a.find_first_of(c, 25), 25);
+ EXPECT_EQ(a.find_first_of(c, 26), StringPiece::npos);
+ EXPECT_EQ(g.find_first_of(b), 13);
+ EXPECT_EQ(g.find_first_of(c), 0);
+ EXPECT_EQ(a.find_first_of(f), StringPiece::npos);
+ EXPECT_EQ(f.find_first_of(a), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(a.find_first_of(d), StringPiece::npos);
+ EXPECT_EQ(a.find_first_of(e), StringPiece::npos);
+ EXPECT_EQ(d.find_first_of(b), StringPiece::npos);
+ EXPECT_EQ(e.find_first_of(b), StringPiece::npos);
+ EXPECT_EQ(d.find_first_of(d), StringPiece::npos);
+ EXPECT_EQ(e.find_first_of(d), StringPiece::npos);
+ EXPECT_EQ(d.find_first_of(e), StringPiece::npos);
+ EXPECT_EQ(e.find_first_of(e), StringPiece::npos);
+
+ EXPECT_EQ(a.find_first_not_of(b), 3);
+ EXPECT_EQ(a.find_first_not_of(c), 0);
+ EXPECT_EQ(b.find_first_not_of(a), StringPiece::npos);
+ EXPECT_EQ(c.find_first_not_of(a), StringPiece::npos);
+ EXPECT_EQ(f.find_first_not_of(a), 0);
+ EXPECT_EQ(a.find_first_not_of(f), 0);
+ EXPECT_EQ(a.find_first_not_of(d), 0);
+ EXPECT_EQ(a.find_first_not_of(e), 0);
+ // empty string nonsense
+ EXPECT_EQ(d.find_first_not_of(a), StringPiece::npos);
+ EXPECT_EQ(e.find_first_not_of(a), StringPiece::npos);
+ EXPECT_EQ(d.find_first_not_of(d), StringPiece::npos);
+ EXPECT_EQ(e.find_first_not_of(d), StringPiece::npos);
+ EXPECT_EQ(d.find_first_not_of(e), StringPiece::npos);
+ EXPECT_EQ(e.find_first_not_of(e), StringPiece::npos);
+
+ StringPiece h("====");
+ EXPECT_EQ(h.find_first_not_of('='), StringPiece::npos);
+ EXPECT_EQ(h.find_first_not_of('=', 3), StringPiece::npos);
+ EXPECT_EQ(h.find_first_not_of('\0'), 0);
+ EXPECT_EQ(g.find_first_not_of('x'), 2);
+ EXPECT_EQ(f.find_first_not_of('\0'), 0);
+ EXPECT_EQ(f.find_first_not_of('\0', 3), 4);
+ EXPECT_EQ(f.find_first_not_of('\0', 2), 2);
+ // empty string nonsense
+ EXPECT_EQ(d.find_first_not_of('x'), StringPiece::npos);
+ EXPECT_EQ(e.find_first_not_of('x'), StringPiece::npos);
+ EXPECT_EQ(d.find_first_not_of('\0'), StringPiece::npos);
+ EXPECT_EQ(e.find_first_not_of('\0'), StringPiece::npos);
+
+ // StringPiece g("xx not found bb");
+ StringPiece i("56");
+ EXPECT_EQ(h.find_last_of(a), StringPiece::npos);
+ EXPECT_EQ(g.find_last_of(a), g.size()-1);
+ EXPECT_EQ(a.find_last_of(b), 2);
+ EXPECT_EQ(a.find_last_of(c), a.size()-1);
+ EXPECT_EQ(f.find_last_of(i), 6);
+ EXPECT_EQ(a.find_last_of('a'), 0);
+ EXPECT_EQ(a.find_last_of('b'), 1);
+ EXPECT_EQ(a.find_last_of('z'), 25);
+ EXPECT_EQ(a.find_last_of('a', 5), 0);
+ EXPECT_EQ(a.find_last_of('b', 5), 1);
+ EXPECT_EQ(a.find_last_of('b', 0), StringPiece::npos);
+ EXPECT_EQ(a.find_last_of('z', 25), 25);
+ EXPECT_EQ(a.find_last_of('z', 24), StringPiece::npos);
+ EXPECT_EQ(f.find_last_of(i, 5), 5);
+ EXPECT_EQ(f.find_last_of(i, 6), 6);
+ EXPECT_EQ(f.find_last_of(a, 4), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(f.find_last_of(d), StringPiece::npos);
+ EXPECT_EQ(f.find_last_of(e), StringPiece::npos);
+ EXPECT_EQ(f.find_last_of(d, 4), StringPiece::npos);
+ EXPECT_EQ(f.find_last_of(e, 4), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(d), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(e), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(d), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(e), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(f), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(f), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(d, 4), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(e, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(d, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(e, 4), StringPiece::npos);
+ EXPECT_EQ(d.find_last_of(f, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_of(f, 4), StringPiece::npos);
+
+ EXPECT_EQ(a.find_last_not_of(b), a.size()-1);
+ EXPECT_EQ(a.find_last_not_of(c), 22);
+ EXPECT_EQ(b.find_last_not_of(a), StringPiece::npos);
+ EXPECT_EQ(b.find_last_not_of(b), StringPiece::npos);
+ EXPECT_EQ(f.find_last_not_of(i), 4);
+ EXPECT_EQ(a.find_last_not_of(c, 24), 22);
+ EXPECT_EQ(a.find_last_not_of(b, 3), 3);
+ EXPECT_EQ(a.find_last_not_of(b, 2), StringPiece::npos);
+ // empty string nonsense
+ EXPECT_EQ(f.find_last_not_of(d), f.size()-1);
+ EXPECT_EQ(f.find_last_not_of(e), f.size()-1);
+ EXPECT_EQ(f.find_last_not_of(d, 4), 4);
+ EXPECT_EQ(f.find_last_not_of(e, 4), 4);
+ EXPECT_EQ(d.find_last_not_of(d), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of(e), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(d), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(e), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of(f), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(f), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of(d, 4), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of(e, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(d, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(e, 4), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of(f, 4), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of(f, 4), StringPiece::npos);
+
+ EXPECT_EQ(h.find_last_not_of('x'), h.size() - 1);
+ EXPECT_EQ(h.find_last_not_of('='), StringPiece::npos);
+ EXPECT_EQ(b.find_last_not_of('c'), 1);
+ EXPECT_EQ(h.find_last_not_of('x', 2), 2);
+ EXPECT_EQ(h.find_last_not_of('=', 2), StringPiece::npos);
+ EXPECT_EQ(b.find_last_not_of('b', 1), 0);
+ // empty string nonsense
+ EXPECT_EQ(d.find_last_not_of('x'), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of('x'), StringPiece::npos);
+ EXPECT_EQ(d.find_last_not_of('\0'), StringPiece::npos);
+ EXPECT_EQ(e.find_last_not_of('\0'), StringPiece::npos);
+
+ EXPECT_EQ(a.substr(0, 3), b);
+ EXPECT_EQ(a.substr(23), c);
+ EXPECT_EQ(a.substr(23, 3), c);
+ EXPECT_EQ(a.substr(23, 99), c);
+ EXPECT_EQ(a.substr(0), a);
+ EXPECT_EQ(a.substr(3, 2), "de");
+ // empty string nonsense
+ EXPECT_EQ(a.substr(99, 2), e);
+ EXPECT_EQ(d.substr(99), e);
+ EXPECT_EQ(d.substr(0, 99), e);
+ EXPECT_EQ(d.substr(99, 99), e);
+ // use of npos
+ EXPECT_EQ(a.substr(0, StringPiece::npos), a);
+ EXPECT_EQ(a.substr(23, StringPiece::npos), c);
+ EXPECT_EQ(a.substr(StringPiece::npos, 0), e);
+ EXPECT_EQ(a.substr(StringPiece::npos, 1), e);
+ EXPECT_EQ(a.substr(StringPiece::npos, StringPiece::npos), e);
+
+ // Substring constructors.
+ EXPECT_EQ(StringPiece(a, 0, 3), b);
+ EXPECT_EQ(StringPiece(a, 23), c);
+ EXPECT_EQ(StringPiece(a, 23, 3), c);
+ EXPECT_EQ(StringPiece(a, 23, 99), c);
+ EXPECT_EQ(StringPiece(a, 0), a);
+ EXPECT_EQ(StringPiece(a, 3, 2), "de");
+ // empty string nonsense
+ EXPECT_EQ(StringPiece(d, 0, 99), e);
+ // Verify that they work taking an actual string, not just a StringPiece.
+ string a2 = a.as_string();
+ EXPECT_EQ(StringPiece(a2, 0, 3), b);
+ EXPECT_EQ(StringPiece(a2, 23), c);
+ EXPECT_EQ(StringPiece(a2, 23, 3), c);
+ EXPECT_EQ(StringPiece(a2, 23, 99), c);
+ EXPECT_EQ(StringPiece(a2, 0), a);
+ EXPECT_EQ(StringPiece(a2, 3, 2), "de");
+}
+
+TEST(StringPiece, Custom) {
+ StringPiece a("foobar");
+ string s1("123");
+ s1 += '\0';
+ s1 += "456";
+ StringPiece b(s1);
+ StringPiece e;
+ string s2;
+
+ // CopyToString
+ a.CopyToString(&s2);
+ EXPECT_EQ(s2.size(), 6);
+ EXPECT_EQ(s2, "foobar");
+ b.CopyToString(&s2);
+ EXPECT_EQ(s2.size(), 7);
+ EXPECT_EQ(s1, s2);
+ e.CopyToString(&s2);
+ EXPECT_TRUE(s2.empty());
+
+ // AppendToString
+ s2.erase();
+ a.AppendToString(&s2);
+ EXPECT_EQ(s2.size(), 6);
+ EXPECT_EQ(s2, "foobar");
+ a.AppendToString(&s2);
+ EXPECT_EQ(s2.size(), 12);
+ EXPECT_EQ(s2, "foobarfoobar");
+
+ // starts_with
+ EXPECT_TRUE(a.starts_with(a));
+ EXPECT_TRUE(a.starts_with("foo"));
+ EXPECT_TRUE(a.starts_with(e));
+ EXPECT_TRUE(b.starts_with(s1));
+ EXPECT_TRUE(b.starts_with(b));
+ EXPECT_TRUE(b.starts_with(e));
+ EXPECT_TRUE(e.starts_with(""));
+ EXPECT_TRUE(!a.starts_with(b));
+ EXPECT_TRUE(!b.starts_with(a));
+ EXPECT_TRUE(!e.starts_with(a));
+
+ // ends with
+ EXPECT_TRUE(a.ends_with(a));
+ EXPECT_TRUE(a.ends_with("bar"));
+ EXPECT_TRUE(a.ends_with(e));
+ EXPECT_TRUE(b.ends_with(s1));
+ EXPECT_TRUE(b.ends_with(b));
+ EXPECT_TRUE(b.ends_with(e));
+ EXPECT_TRUE(e.ends_with(""));
+ EXPECT_TRUE(!a.ends_with(b));
+ EXPECT_TRUE(!b.ends_with(a));
+ EXPECT_TRUE(!e.ends_with(a));
+
+ // remove_prefix
+ StringPiece c(a);
+ c.remove_prefix(3);
+ EXPECT_EQ(c, "bar");
+ c = a;
+ c.remove_prefix(0);
+ EXPECT_EQ(c, a);
+ c.remove_prefix(c.size());
+ EXPECT_EQ(c, e);
+
+ // remove_suffix
+ c = a;
+ c.remove_suffix(3);
+ EXPECT_EQ(c, "foo");
+ c = a;
+ c.remove_suffix(0);
+ EXPECT_EQ(c, a);
+ c.remove_suffix(c.size());
+ EXPECT_EQ(c, e);
+
+ // set
+ c.set("foobar", 6);
+ EXPECT_EQ(c, a);
+ c.set("foobar", 0);
+ EXPECT_EQ(c, e);
+ c.set("foobar", 7);
+ EXPECT_NE(c, a);
+
+ c.set("foobar");
+ EXPECT_EQ(c, a);
+
+ c.set(static_cast<const void*>("foobar"), 6);
+ EXPECT_EQ(c, a);
+ c.set(static_cast<const void*>("foobar"), 0);
+ EXPECT_EQ(c, e);
+ c.set(static_cast<const void*>("foobar"), 7);
+ EXPECT_NE(c, a);
+
+ // as_string
+ string s3(a.as_string().c_str(), 7);
+ EXPECT_EQ(c, s3);
+ string s4(e.as_string());
+ EXPECT_TRUE(s4.empty());
+
+ // ToString
+ {
+ string s5(a.ToString().c_str(), 7);
+ EXPECT_EQ(c, s5);
+ string s6(e.ToString());
+ EXPECT_TRUE(s6.empty());
+ }
+
+ // Consume
+ a.set("foobar");
+ EXPECT_TRUE(a.Consume("foo"));
+ EXPECT_EQ(a, "bar");
+ EXPECT_FALSE(a.Consume("foo"));
+ EXPECT_FALSE(a.Consume("barbar"));
+ EXPECT_FALSE(a.Consume("ar"));
+ EXPECT_EQ(a, "bar");
+
+ a.set("foobar");
+ EXPECT_TRUE(a.ConsumeFromEnd("bar"));
+ EXPECT_EQ(a, "foo");
+ EXPECT_FALSE(a.ConsumeFromEnd("bar"));
+ EXPECT_FALSE(a.ConsumeFromEnd("foofoo"));
+ EXPECT_FALSE(a.ConsumeFromEnd("fo"));
+ EXPECT_EQ(a, "foo");
+}
+
+TEST(StringPiece, Contains) {
+ StringPiece a("abcdefg");
+ StringPiece b("abcd");
+ StringPiece c("efg");
+ StringPiece d("gh");
+ EXPECT_TRUE(a.contains(b));
+ EXPECT_TRUE(a.contains(c));
+ EXPECT_TRUE(!a.contains(d));
+}
+
+TEST(StringPiece, NULLInput) {
+ // we used to crash here, but now we don't.
+ StringPiece s(NULL);
+ EXPECT_EQ(s.data(), (const char*)NULL);
+ EXPECT_EQ(s.size(), 0);
+
+ s.set(NULL);
+ EXPECT_EQ(s.data(), (const char*)NULL);
+ EXPECT_EQ(s.size(), 0);
+
+ // .ToString() on a StringPiece with NULL should produce the empty string.
+ EXPECT_EQ("", s.ToString());
+ EXPECT_EQ("", s.as_string());
+}
+
+TEST(StringPiece, Comparisons2) {
+ StringPiece abc("abcdefghijklmnopqrstuvwxyz");
+
+ // check comparison operations on strings longer than 4 bytes.
+ EXPECT_EQ(abc, StringPiece("abcdefghijklmnopqrstuvwxyz"));
+ EXPECT_EQ(abc.compare(StringPiece("abcdefghijklmnopqrstuvwxyz")), 0);
+
+ EXPECT_LT(abc, StringPiece("abcdefghijklmnopqrstuvwxzz"));
+ EXPECT_LT(abc.compare(StringPiece("abcdefghijklmnopqrstuvwxzz")), 0);
+
+ EXPECT_GT(abc, StringPiece("abcdefghijklmnopqrstuvwxyy"));
+ EXPECT_GT(abc.compare(StringPiece("abcdefghijklmnopqrstuvwxyy")), 0);
+
+ // starts_with
+ EXPECT_TRUE(abc.starts_with(abc));
+ EXPECT_TRUE(abc.starts_with("abcdefghijklm"));
+ EXPECT_TRUE(!abc.starts_with("abcdefguvwxyz"));
+
+ // ends_with
+ EXPECT_TRUE(abc.ends_with(abc));
+ EXPECT_TRUE(!abc.ends_with("abcdefguvwxyz"));
+ EXPECT_TRUE(abc.ends_with("nopqrstuvwxyz"));
+}
+
+TEST(ComparisonOpsTest, StringCompareNotAmbiguous) {
+ EXPECT_EQ("hello", string("hello"));
+ EXPECT_LT("hello", string("world"));
+}
+
+TEST(ComparisonOpsTest, HeterogenousStringPieceEquals) {
+ EXPECT_EQ(StringPiece("hello"), string("hello"));
+ EXPECT_EQ("hello", StringPiece("hello"));
+}
+
+TEST(FindOneCharTest, EdgeCases) {
+ StringPiece a("xxyyyxx");
+
+ // Set a = "xyyyx".
+ a.remove_prefix(1);
+ a.remove_suffix(1);
+
+ EXPECT_EQ(0, a.find('x'));
+ EXPECT_EQ(0, a.find('x', 0));
+ EXPECT_EQ(4, a.find('x', 1));
+ EXPECT_EQ(4, a.find('x', 4));
+ EXPECT_EQ(StringPiece::npos, a.find('x', 5));
+
+ EXPECT_EQ(4, a.rfind('x'));
+ EXPECT_EQ(4, a.rfind('x', 5));
+ EXPECT_EQ(4, a.rfind('x', 4));
+ EXPECT_EQ(0, a.rfind('x', 3));
+ EXPECT_EQ(0, a.rfind('x', 0));
+
+ // Set a = "yyy".
+ a.remove_prefix(1);
+ a.remove_suffix(1);
+
+ EXPECT_EQ(StringPiece::npos, a.find('x'));
+ EXPECT_EQ(StringPiece::npos, a.rfind('x'));
+}
+
+#ifndef NDEBUG
+TEST(NonNegativeLenTest, NonNegativeLen) {
+ EXPECT_DEATH(StringPiece("xyz", -1), "len >= 0");
+}
+#endif // ndef DEBUG
+
+} // namespace
+} // namespace protobuf
+} // namespace google