Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/base/stringencode_unittest.cc b/base/stringencode_unittest.cc
new file mode 100644
index 0000000..c9e726e
--- /dev/null
+++ b/base/stringencode_unittest.cc
@@ -0,0 +1,385 @@
+/*
+ * Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/common.h"
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/stringencode.h"
+#include "webrtc/base/stringutils.h"
+
+namespace rtc {
+
+TEST(Utf8EncodeTest, EncodeDecode) {
+ const struct Utf8Test {
+ const char* encoded;
+ size_t encsize, enclen;
+ unsigned long decoded;
+ } kTests[] = {
+ { "a ", 5, 1, 'a' },
+ { "\x7F ", 5, 1, 0x7F },
+ { "\xC2\x80 ", 5, 2, 0x80 },
+ { "\xDF\xBF ", 5, 2, 0x7FF },
+ { "\xE0\xA0\x80 ", 5, 3, 0x800 },
+ { "\xEF\xBF\xBF ", 5, 3, 0xFFFF },
+ { "\xF0\x90\x80\x80 ", 5, 4, 0x10000 },
+ { "\xF0\x90\x80\x80 ", 3, 0, 0x10000 },
+ { "\xF0\xF0\x80\x80 ", 5, 0, 0 },
+ { "\xF0\x90\x80 ", 5, 0, 0 },
+ { "\x90\x80\x80 ", 5, 0, 0 },
+ { NULL, 0, 0 },
+ };
+ for (size_t i = 0; kTests[i].encoded; ++i) {
+ unsigned long val = 0;
+ ASSERT_EQ(kTests[i].enclen, utf8_decode(kTests[i].encoded,
+ kTests[i].encsize,
+ &val));
+ unsigned long result = (kTests[i].enclen == 0) ? 0 : kTests[i].decoded;
+ ASSERT_EQ(result, val);
+
+ if (kTests[i].decoded == 0) {
+ // Not an interesting encoding test case
+ continue;
+ }
+
+ char buffer[5];
+ memset(buffer, 0x01, ARRAY_SIZE(buffer));
+ ASSERT_EQ(kTests[i].enclen, utf8_encode(buffer,
+ kTests[i].encsize,
+ kTests[i].decoded));
+ ASSERT_TRUE(memcmp(buffer, kTests[i].encoded, kTests[i].enclen) == 0);
+ // Make sure remainder of buffer is unchanged
+ ASSERT_TRUE(memory_check(buffer + kTests[i].enclen,
+ 0x1,
+ ARRAY_SIZE(buffer) - kTests[i].enclen));
+ }
+}
+
+class HexEncodeTest : public testing::Test {
+ public:
+ HexEncodeTest() : enc_res_(0), dec_res_(0) {
+ for (size_t i = 0; i < sizeof(data_); ++i) {
+ data_[i] = (i + 128) & 0xff;
+ }
+ memset(decoded_, 0x7f, sizeof(decoded_));
+ }
+
+ char data_[10];
+ char encoded_[31];
+ char decoded_[11];
+ size_t enc_res_;
+ size_t dec_res_;
+};
+
+// Test that we can convert to/from hex with no delimiter.
+TEST_F(HexEncodeTest, TestWithNoDelimiter) {
+ enc_res_ = hex_encode(encoded_, sizeof(encoded_), data_, sizeof(data_));
+ ASSERT_EQ(sizeof(data_) * 2, enc_res_);
+ ASSERT_STREQ("80818283848586878889", encoded_);
+ dec_res_ = hex_decode(decoded_, sizeof(decoded_), encoded_, enc_res_);
+ ASSERT_EQ(sizeof(data_), dec_res_);
+ ASSERT_EQ(0, memcmp(data_, decoded_, dec_res_));
+}
+
+// Test that we can convert to/from hex with a colon delimiter.
+TEST_F(HexEncodeTest, TestWithDelimiter) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(encoded_),
+ data_, sizeof(data_), ':');
+ ASSERT_EQ(sizeof(data_) * 3 - 1, enc_res_);
+ ASSERT_STREQ("80:81:82:83:84:85:86:87:88:89", encoded_);
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_),
+ encoded_, enc_res_, ':');
+ ASSERT_EQ(sizeof(data_), dec_res_);
+ ASSERT_EQ(0, memcmp(data_, decoded_, dec_res_));
+}
+
+// Test that encoding with one delimiter and decoding with another fails.
+TEST_F(HexEncodeTest, TestWithWrongDelimiter) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(encoded_),
+ data_, sizeof(data_), ':');
+ ASSERT_EQ(sizeof(data_) * 3 - 1, enc_res_);
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_),
+ encoded_, enc_res_, '/');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that encoding without a delimiter and decoding with one fails.
+TEST_F(HexEncodeTest, TestExpectedDelimiter) {
+ enc_res_ = hex_encode(encoded_, sizeof(encoded_), data_, sizeof(data_));
+ ASSERT_EQ(sizeof(data_) * 2, enc_res_);
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_),
+ encoded_, enc_res_, ':');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that encoding with a delimiter and decoding without one fails.
+TEST_F(HexEncodeTest, TestExpectedNoDelimiter) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(encoded_),
+ data_, sizeof(data_), ':');
+ ASSERT_EQ(sizeof(data_) * 3 - 1, enc_res_);
+ dec_res_ = hex_decode(decoded_, sizeof(decoded_), encoded_, enc_res_);
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that we handle a zero-length buffer with no delimiter.
+TEST_F(HexEncodeTest, TestZeroLengthNoDelimiter) {
+ enc_res_ = hex_encode(encoded_, sizeof(encoded_), "", 0);
+ ASSERT_EQ(0U, enc_res_);
+ dec_res_ = hex_decode(decoded_, sizeof(decoded_), encoded_, enc_res_);
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that we handle a zero-length buffer with a delimiter.
+TEST_F(HexEncodeTest, TestZeroLengthWithDelimiter) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(encoded_), "", 0, ':');
+ ASSERT_EQ(0U, enc_res_);
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_),
+ encoded_, enc_res_, ':');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test the std::string variants that take no delimiter.
+TEST_F(HexEncodeTest, TestHelpersNoDelimiter) {
+ std::string result = hex_encode(data_, sizeof(data_));
+ ASSERT_EQ("80818283848586878889", result);
+ dec_res_ = hex_decode(decoded_, sizeof(decoded_), result);
+ ASSERT_EQ(sizeof(data_), dec_res_);
+ ASSERT_EQ(0, memcmp(data_, decoded_, dec_res_));
+}
+
+// Test the std::string variants that use a delimiter.
+TEST_F(HexEncodeTest, TestHelpersWithDelimiter) {
+ std::string result = hex_encode_with_delimiter(data_, sizeof(data_), ':');
+ ASSERT_EQ("80:81:82:83:84:85:86:87:88:89", result);
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_), result, ':');
+ ASSERT_EQ(sizeof(data_), dec_res_);
+ ASSERT_EQ(0, memcmp(data_, decoded_, dec_res_));
+}
+
+// Test that encoding into a too-small output buffer (without delimiter) fails.
+TEST_F(HexEncodeTest, TestEncodeTooShort) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(data_) * 2,
+ data_, sizeof(data_), 0);
+ ASSERT_EQ(0U, enc_res_);
+}
+
+// Test that encoding into a too-small output buffer (with delimiter) fails.
+TEST_F(HexEncodeTest, TestEncodeWithDelimiterTooShort) {
+ enc_res_ = hex_encode_with_delimiter(encoded_, sizeof(data_) * 3 - 1,
+ data_, sizeof(data_), ':');
+ ASSERT_EQ(0U, enc_res_);
+}
+
+// Test that decoding into a too-small output buffer fails.
+TEST_F(HexEncodeTest, TestDecodeTooShort) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, 4, "0123456789", 10, 0);
+ ASSERT_EQ(0U, dec_res_);
+ ASSERT_EQ(0x7f, decoded_[4]);
+}
+
+// Test that decoding non-hex data fails.
+TEST_F(HexEncodeTest, TestDecodeBogusData) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_), "xyz", 3, 0);
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that decoding an odd number of hex characters fails.
+TEST_F(HexEncodeTest, TestDecodeOddHexDigits) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, sizeof(decoded_), "012", 3, 0);
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that decoding a string with too many delimiters fails.
+TEST_F(HexEncodeTest, TestDecodeWithDelimiterTooManyDelimiters) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, 4, "01::23::45::67", 14, ':');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that decoding a string with a leading delimiter fails.
+TEST_F(HexEncodeTest, TestDecodeWithDelimiterLeadingDelimiter) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, 4, ":01:23:45:67", 12, ':');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Test that decoding a string with a trailing delimiter fails.
+TEST_F(HexEncodeTest, TestDecodeWithDelimiterTrailingDelimiter) {
+ dec_res_ = hex_decode_with_delimiter(decoded_, 4, "01:23:45:67:", 12, ':');
+ ASSERT_EQ(0U, dec_res_);
+}
+
+// Tests counting substrings.
+TEST(TokenizeTest, CountSubstrings) {
+ std::vector<std::string> fields;
+
+ EXPECT_EQ(5ul, tokenize("one two three four five", ' ', &fields));
+ fields.clear();
+ EXPECT_EQ(1ul, tokenize("one", ' ', &fields));
+
+ // Extra spaces should be ignored.
+ fields.clear();
+ EXPECT_EQ(5ul, tokenize(" one two three four five ", ' ', &fields));
+ fields.clear();
+ EXPECT_EQ(1ul, tokenize(" one ", ' ', &fields));
+ fields.clear();
+ EXPECT_EQ(0ul, tokenize(" ", ' ', &fields));
+}
+
+// Tests comparing substrings.
+TEST(TokenizeTest, CompareSubstrings) {
+ std::vector<std::string> fields;
+
+ tokenize("find middle one", ' ', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("middle", fields.at(1).c_str());
+ fields.clear();
+
+ // Extra spaces should be ignored.
+ tokenize(" find middle one ", ' ', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("middle", fields.at(1).c_str());
+ fields.clear();
+ tokenize(" ", ' ', &fields);
+ ASSERT_EQ(0ul, fields.size());
+}
+
+TEST(TokenizeTest, TokenizeAppend) {
+ ASSERT_EQ(0ul, tokenize_append("A B C", ' ', NULL));
+
+ std::vector<std::string> fields;
+
+ tokenize_append("A B C", ' ', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("B", fields.at(1).c_str());
+
+ tokenize_append("D E", ' ', &fields);
+ ASSERT_EQ(5ul, fields.size());
+ ASSERT_STREQ("B", fields.at(1).c_str());
+ ASSERT_STREQ("E", fields.at(4).c_str());
+}
+
+TEST(TokenizeTest, TokenizeWithMarks) {
+ ASSERT_EQ(0ul, tokenize("D \"A B", ' ', '(', ')', NULL));
+
+ std::vector<std::string> fields;
+ tokenize("A B C", ' ', '"', '"', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("C", fields.at(2).c_str());
+
+ tokenize("\"A B\" C", ' ', '"', '"', &fields);
+ ASSERT_EQ(2ul, fields.size());
+ ASSERT_STREQ("A B", fields.at(0).c_str());
+
+ tokenize("D \"A B\" C", ' ', '"', '"', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("D", fields.at(0).c_str());
+ ASSERT_STREQ("A B", fields.at(1).c_str());
+
+ tokenize("D \"A B\" C \"E F\"", ' ', '"', '"', &fields);
+ ASSERT_EQ(4ul, fields.size());
+ ASSERT_STREQ("D", fields.at(0).c_str());
+ ASSERT_STREQ("A B", fields.at(1).c_str());
+ ASSERT_STREQ("E F", fields.at(3).c_str());
+
+ // No matching marks.
+ tokenize("D \"A B", ' ', '"', '"', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("D", fields.at(0).c_str());
+ ASSERT_STREQ("\"A", fields.at(1).c_str());
+
+ tokenize("D (A B) C (E F) G", ' ', '(', ')', &fields);
+ ASSERT_EQ(5ul, fields.size());
+ ASSERT_STREQ("D", fields.at(0).c_str());
+ ASSERT_STREQ("A B", fields.at(1).c_str());
+ ASSERT_STREQ("E F", fields.at(3).c_str());
+}
+
+// Tests counting substrings.
+TEST(SplitTest, CountSubstrings) {
+ std::vector<std::string> fields;
+
+ EXPECT_EQ(5ul, split("one,two,three,four,five", ',', &fields));
+ fields.clear();
+ EXPECT_EQ(1ul, split("one", ',', &fields));
+
+ // Empty fields between commas count.
+ fields.clear();
+ EXPECT_EQ(5ul, split("one,,three,four,five", ',', &fields));
+ fields.clear();
+ EXPECT_EQ(3ul, split(",three,", ',', &fields));
+ fields.clear();
+ EXPECT_EQ(1ul, split("", ',', &fields));
+}
+
+// Tests comparing substrings.
+TEST(SplitTest, CompareSubstrings) {
+ std::vector<std::string> fields;
+
+ split("find,middle,one", ',', &fields);
+ ASSERT_EQ(3ul, fields.size());
+ ASSERT_STREQ("middle", fields.at(1).c_str());
+ fields.clear();
+
+ // Empty fields between commas count.
+ split("find,,middle,one", ',', &fields);
+ ASSERT_EQ(4ul, fields.size());
+ ASSERT_STREQ("middle", fields.at(2).c_str());
+ fields.clear();
+ split("", ',', &fields);
+ ASSERT_EQ(1ul, fields.size());
+ ASSERT_STREQ("", fields.at(0).c_str());
+}
+
+TEST(BoolTest, DecodeValid) {
+ bool value;
+ EXPECT_TRUE(FromString("true", &value));
+ EXPECT_TRUE(value);
+ EXPECT_TRUE(FromString("true,", &value));
+ EXPECT_TRUE(value);
+ EXPECT_TRUE(FromString("true , true", &value));
+ EXPECT_TRUE(value);
+ EXPECT_TRUE(FromString("true ,\n false", &value));
+ EXPECT_TRUE(value);
+ EXPECT_TRUE(FromString(" true \n", &value));
+ EXPECT_TRUE(value);
+
+ EXPECT_TRUE(FromString("false", &value));
+ EXPECT_FALSE(value);
+ EXPECT_TRUE(FromString(" false ", &value));
+ EXPECT_FALSE(value);
+ EXPECT_TRUE(FromString(" false, ", &value));
+ EXPECT_FALSE(value);
+
+ EXPECT_TRUE(FromString<bool>("true\n"));
+ EXPECT_FALSE(FromString<bool>("false\n"));
+}
+
+TEST(BoolTest, DecodeInvalid) {
+ bool value;
+ EXPECT_FALSE(FromString("True", &value));
+ EXPECT_FALSE(FromString("TRUE", &value));
+ EXPECT_FALSE(FromString("False", &value));
+ EXPECT_FALSE(FromString("FALSE", &value));
+ EXPECT_FALSE(FromString("0", &value));
+ EXPECT_FALSE(FromString("1", &value));
+ EXPECT_FALSE(FromString("0,", &value));
+ EXPECT_FALSE(FromString("1,", &value));
+ EXPECT_FALSE(FromString("1,0", &value));
+ EXPECT_FALSE(FromString("1.", &value));
+ EXPECT_FALSE(FromString("1.0", &value));
+ EXPECT_FALSE(FromString("", &value));
+ EXPECT_FALSE(FromString<bool>("false\nfalse"));
+}
+
+TEST(BoolTest, RoundTrip) {
+ bool value;
+ EXPECT_TRUE(FromString(ToString(true), &value));
+ EXPECT_TRUE(value);
+ EXPECT_TRUE(FromString(ToString(false), &value));
+ EXPECT_FALSE(value);
+}
+} // namespace rtc