// TODO: there's some integer -> char encoding going on here. i find it // hard to believe that the clipboard is the only thing doing this. maybe // we should refactor this stuff out of the clipboard. TEST(ClipboardTests, marshall_withTextSize285_sizeCharsValid) { // 285 chars String data; data.append("Synergy is Free and Open Source Software that lets you "); data.append("easily share your mouse and keyboard between multiple "); data.append("computers, where each computer has it's own display. No "); data.append("special hardware is required, all you need is a local area "); data.append("network. Synergy is supported on Windows, Mac OS X and Linux."); Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kText, data); clipboard.close(); String actual = clipboard.marshall(); // 4 asserts here, but that's ok because we're really just asserting 1 // thing. the 32-bit size value is split into 4 chars. if the size is 285 // (29 more than the 8-bit max size), the last char "rolls over" to 29 // (this is caused by a bit-wise & on 0xff and 8-bit truncation). each // char before the last stores a bit-shifted version of the number, each // 1 more power than the last, which is done by bit-shifting [0] by 24, // [1] by 16, [2] by 8 ([3] is not bit-shifted). EXPECT_EQ(0, actual[8]); // 285 >> 24 = 285 / (256^3) = 0 EXPECT_EQ(0, actual[9]); // 285 >> 16 = 285 / (256^2) = 0 EXPECT_EQ(1, actual[10]); // 285 >> 8 = 285 / (256^1) = 1(.11328125) EXPECT_EQ(29, actual[11]); // 285 - 256 = 29 }
void Client::sendClipboard(ClipboardID id) { // note -- m_mutex must be locked on entry assert(m_screen != NULL); assert(m_server != NULL); // get clipboard data. set the clipboard time to the last // clipboard time before getting the data from the screen // as the screen may detect an unchanged clipboard and // avoid copying the data. Clipboard clipboard; if (clipboard.open(m_timeClipboard[id])) { clipboard.close(); } m_screen->getClipboard(id, &clipboard); // check time if (m_timeClipboard[id] == 0 || clipboard.getTime() != m_timeClipboard[id]) { // save new time m_timeClipboard[id] = clipboard.getTime(); // marshall the data String data = clipboard.marshall(); // save and send data if different or not yet sent if (!m_sentClipboard[id] || data != m_dataClipboard[id]) { m_sentClipboard[id] = true; m_dataClipboard[id] = data; m_server->onClipboardChanged(id, &clipboard); } } }
TEST(ClipboardTests, marshall_addNotCalled_firstCharIsZero) { Clipboard clipboard; String actual = clipboard.marshall(); // seems to return "\0\0\0\0" but EXPECT_EQ can't assert this, // so instead, just assert that first char is '\0'. EXPECT_EQ(0, (int)actual[0]); }
TEST(ClipboardTests, marshall_withTextAdded_lastSizeCharIs14) { Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kText, "synergy rocks!"); // 14 chars clipboard.close(); String actual = clipboard.marshall(); EXPECT_EQ(14, (int)actual[11]); }
TEST(ClipboardTests, marshall_withTextAdded_endsWithAdded) { Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kText, "synergy rocks!"); clipboard.close(); String actual = clipboard.marshall(); // string contains other data, but should end in the string we added. EXPECT_EQ("synergy rocks!", actual.substr(12)); }
TEST(ClipboardTests, marshall_withHtmlAdded_typeCharIsHtml) { Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kHTML, "html sucks"); clipboard.close(); String actual = clipboard.marshall(); // string contains other data, but 8th char should be kHTML. EXPECT_EQ(IClipboard::kHTML, (int)actual[7]); }
TEST(ClipboardTests, marshall_withTextAdded_typeCharIsText) { Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kText, "synergy rocks!"); clipboard.close(); String actual = clipboard.marshall(); // string contains other data, but 8th char should be kText. EXPECT_EQ(IClipboard::kText, (int)actual[7]); }
TEST(ClipboardTests, marshall_withHtmlAndText_has2Formats) { Clipboard clipboard; clipboard.open(0); clipboard.add(IClipboard::kText, "synergy rocks"); clipboard.add(IClipboard::kHTML, "html sucks"); clipboard.close(); String actual = clipboard.marshall(); // the number of formats is stored inside the first 4 chars. // the writeUInt32 function right-aligns numbers in 4 chars, // so if you right align 2, it will be "\0\0\0\2" in a string. // we assert that the char at the 4th index is 2 (the number of // formats that we've added). EXPECT_EQ(2, (int)actual[3]); }