summaryrefslogtreecommitdiff
path: root/core/fpdftext/cpdf_linkextract_unittest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/fpdftext/cpdf_linkextract_unittest.cpp')
-rw-r--r--core/fpdftext/cpdf_linkextract_unittest.cpp138
1 files changed, 138 insertions, 0 deletions
diff --git a/core/fpdftext/cpdf_linkextract_unittest.cpp b/core/fpdftext/cpdf_linkextract_unittest.cpp
new file mode 100644
index 0000000000..bd059862fd
--- /dev/null
+++ b/core/fpdftext/cpdf_linkextract_unittest.cpp
@@ -0,0 +1,138 @@
+// Copyright 2015 PDFium 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 "core/fpdftext/cpdf_linkextract.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Class to help test functions in CPDF_LinkExtract class.
+class CPDF_TestLinkExtract : public CPDF_LinkExtract {
+ public:
+ CPDF_TestLinkExtract() : CPDF_LinkExtract(nullptr) {}
+
+ private:
+ // Add test cases as friends to access protected member functions.
+ // Access CheckMailLink and CheckWebLink.
+ FRIEND_TEST(CPDF_LinkExtractTest, CheckMailLink);
+ FRIEND_TEST(CPDF_LinkExtractTest, CheckWebLink);
+};
+
+TEST(CPDF_LinkExtractTest, CheckMailLink) {
+ CPDF_TestLinkExtract extractor;
+ // Check cases that fail to extract valid mail link.
+ const wchar_t* const invalid_strs[] = {
+ L"",
+ L"peter.pan", // '@' is required.
+ L"abc@server", // Domain name needs at least one '.'.
+ L"abc.@gmail.com", // '.' can not immediately precede '@'.
+ L"abc@xyz&q.org", // Domain name should not contain '&'.
+ L"abc@.xyz.org", // Domain name should not start with '.'.
+ L"fan@g..com" // Domain name should not have consecutive '.'
+ };
+ for (size_t i = 0; i < FX_ArraySize(invalid_strs); ++i) {
+ CFX_WideString text_str(invalid_strs[i]);
+ EXPECT_FALSE(extractor.CheckMailLink(text_str)) << text_str.c_str();
+ }
+
+ // Check cases that can extract valid mail link.
+ // An array of {input_string, expected_extracted_email_address}.
+ const wchar_t* const valid_strs[][2] = {
+ {L"peter@abc.d", L"peter@abc.d"},
+ {L"red.teddy.b@abc.com", L"red.teddy.b@abc.com"},
+ {L"abc_@gmail.com", L"abc_@gmail.com"}, // '_' is ok before '@'.
+ {L"dummy-hi@gmail.com",
+ L"dummy-hi@gmail.com"}, // '-' is ok in user name.
+ {L"a..df@gmail.com", L"df@gmail.com"}, // Stop at consecutive '.'.
+ {L".john@yahoo.com", L"john@yahoo.com"}, // Remove heading '.'.
+ {L"abc@xyz.org?/", L"abc@xyz.org"}, // Trim ending invalid chars.
+ {L"fan{abc@xyz.org", L"abc@xyz.org"}, // Trim beginning invalid chars.
+ {L"fan@g.com..", L"fan@g.com"}, // Trim the ending periods.
+ {L"CAP.cap@Gmail.Com", L"CAP.cap@Gmail.Com"}, // Keep the original case.
+ };
+ for (size_t i = 0; i < FX_ArraySize(valid_strs); ++i) {
+ CFX_WideString text_str(valid_strs[i][0]);
+ CFX_WideString expected_str(L"mailto:");
+ expected_str += valid_strs[i][1];
+ EXPECT_TRUE(extractor.CheckMailLink(text_str)) << text_str.c_str();
+ EXPECT_STREQ(expected_str.c_str(), text_str.c_str());
+ }
+}
+
+TEST(CPDF_LinkExtractTest, CheckWebLink) {
+ CPDF_TestLinkExtract extractor;
+ // Check cases that fail to extract valid web link.
+ // The last few are legit web addresses that we don't handle now.
+ const wchar_t* const invalid_cases[] = {
+ L"", L"http", L"www.", L"https-and-www",
+ L"http:/abc.com", // Missing slash.
+ L"http://((()),", // Only invalid chars in host name.
+ L"ftp://example.com", // Ftp scheme is not supported.
+ L"http:example.com", // Missing slashes.
+ L"http//[example.com", // Invalid IPv6 address.
+ L"http//[00:00:00:00:00:00", // Invalid IPv6 address.
+ L"http//[]", // Empty IPv6 address.
+ // Web addresses that in correct format that we don't handle.
+ L"abc.example.com", // URL without scheme.
+ };
+ for (size_t i = 0; i < FX_ArraySize(invalid_cases); ++i) {
+ CFX_WideString text_str(invalid_cases[i]);
+ EXPECT_FALSE(extractor.CheckWebLink(text_str)) << text_str.c_str();
+ }
+
+ // Check cases that can extract valid web link.
+ // An array of {input_string, expected_extracted_web_link}.
+ const wchar_t* const valid_cases[][2] = {
+ {L"http://www.example.com", L"http://www.example.com"}, // standard URL.
+ {L"http://www.example.com:88",
+ L"http://www.example.com:88"}, // URL with port number.
+ {L"http://test@www.example.com",
+ L"http://test@www.example.com"}, // URL with username.
+ {L"http://test:test@example.com",
+ L"http://test:test@example.com"}, // URL with username and password.
+ {L"http://example", L"http://example"}, // URL with short domain name.
+ {L"http////www.server", L"http://www.server"}, // URL starts with "www.".
+ {L"http:/www.abc.com", L"http://www.abc.com"}, // URL starts with "www.".
+ {L"www.a.b.c", L"http://www.a.b.c"}, // URL starts with "www.".
+ {L"https://a.us", L"https://a.us"}, // Secure http URL.
+ {L"https://www.t.us", L"https://www.t.us"}, // Secure http URL.
+ {L"www.example-test.com",
+ L"http://www.example-test.com"}, // '-' in host is ok.
+ {L"www.example.com,",
+ L"http://www.example.com"}, // Trim ending invalid chars.
+ {L"www.example.com;(",
+ L"http://www.example.com"}, // Trim ending invalid chars.
+ {L"test:www.abc.com", L"http://www.abc.com"}, // Trim chars before URL.
+ {L"www.g.com..", L"http://www.g.com.."}, // Leave ending periods.
+ // Web link can contain IP address too.
+ {L"http://192.168.0.1", L"http://192.168.0.1"}, // IPv4 address.
+ {L"http://192.168.0.1:80",
+ L"http://192.168.0.1:80"}, // IPv4 address with port.
+ {L"http://[aa::00:bb::00:cc:00]",
+ L"http://[aa::00:bb::00:cc:00]"}, // IPv6 reference.
+ {L"http://[aa::00:bb::00:cc:00]:12",
+ L"http://[aa::00:bb::00:cc:00]:12"}, // IPv6 reference with port.
+ {L"http://[aa]:12", L"http://[aa]:12"}, // Not validate IP address.
+ {L"http://[aa]:12abc", L"http://[aa]:12"}, // Trim for IPv6 address.
+ {L"http://[aa]:", L"http://[aa]"}, // Trim for IPv6 address.
+ // Path and query parts can be anything.
+ {L"www.abc.com/#%%^&&*(", L"http://www.abc.com/#%%^&&*("},
+ {L"www.a.com/#a=@?q=rr&r=y", L"http://www.a.com/#a=@?q=rr&r=y"},
+ {L"http://a.com/1/2/3/4\5\6", L"http://a.com/1/2/3/4\5\6"},
+ {L"http://www.example.com/foo;bar", L"http://www.example.com/foo;bar"},
+ // Invalid chars inside host name are ok as we don't validate them.
+ {L"http://ex[am]ple", L"http://ex[am]ple"},
+ {L"http://:example.com", L"http://:example.com"},
+ {L"http://((())/path?", L"http://((())/path?"},
+ {L"http:////abc.server", L"http:////abc.server"},
+ // Non-ASCII chars are not validated either.
+ {L"www.测试.net", L"http://www.测试.net"},
+ {L"www.测试。net。", L"http://www.测试。net。"},
+ {L"www.测试.net;", L"http://www.测试.net;"},
+ };
+ for (size_t i = 0; i < FX_ArraySize(valid_cases); ++i) {
+ CFX_WideString text_str(valid_cases[i][0]);
+ EXPECT_TRUE(extractor.CheckWebLink(text_str)) << text_str.c_str();
+ EXPECT_STREQ(valid_cases[i][1], text_str.c_str());
+ }
+}