124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
// Unit Tests for Scintilla internal data structures
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#include <cstring>
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#include <string_view>
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#include <vector>
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#include <algorithm>
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#include <memory>
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#include <iostream>
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#include "Platform.h"
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#include "CharClassify.h"
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#include "catch.hpp"
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using namespace Scintilla;
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// Test CharClassify.
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class CharClassifyTest {
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// Avoid warnings, deleted so never called.
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CharClassifyTest(const CharClassifyTest &) = delete;
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protected:
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CharClassifyTest() {
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pcc.reset(new CharClassify());
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for (int ch = 0; ch < 256; ch++) {
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if (ch == '\r' || ch == '\n')
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charClass[ch] = CharClassify::ccNewLine;
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else if (ch < 0x20 || ch == ' ')
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charClass[ch] = CharClassify::ccSpace;
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else if (ch >= 0x80 || isalnum(ch) || ch == '_')
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charClass[ch] = CharClassify::ccWord;
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else
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charClass[ch] = CharClassify::ccPunctuation;
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}
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}
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~CharClassifyTest() {
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}
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std::unique_ptr<CharClassify> pcc;
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CharClassify::cc charClass[256];
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static const char* GetClassName(CharClassify::cc charClass) {
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switch(charClass) {
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#define CASE(c) case CharClassify::c: return #c
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CASE(ccSpace);
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CASE(ccNewLine);
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CASE(ccWord);
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CASE(ccPunctuation);
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#undef CASE
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default:
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return "<unknown>";
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}
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}
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};
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TEST_CASE_METHOD(CharClassifyTest, "Defaults") {
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for (int i = 0; i < 256; i++) {
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if (charClass[i] != pcc->GetClass(i))
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std::cerr
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<< "Character " << i
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<< " should be class " << GetClassName(charClass[i])
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<< ", but got " << GetClassName(pcc->GetClass(i)) << std::endl;
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REQUIRE(charClass[i] == pcc->GetClass(i));
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}
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}
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TEST_CASE_METHOD(CharClassifyTest, "Custom") {
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unsigned char buf[2] = {0, 0};
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for (int i = 0; i < 256; i++) {
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CharClassify::cc thisClass = CharClassify::cc(i % 4);
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buf[0] = i;
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pcc->SetCharClasses(buf, thisClass);
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charClass[i] = thisClass;
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}
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for (int i = 0; i < 256; i++) {
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if (charClass[i] != pcc->GetClass(i))
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std::cerr
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<< "Character " << i
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<< " should be class " << GetClassName(charClass[i])
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<< ", but got " << GetClassName(pcc->GetClass(i)) << std::endl;
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REQUIRE(charClass[i] == pcc->GetClass(i));
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}
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}
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TEST_CASE_METHOD(CharClassifyTest, "CharsOfClass") {
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unsigned char buf[2] = {0, 0};
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for (int i = 1; i < 256; i++) {
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CharClassify::cc thisClass = CharClassify::cc(i % 4);
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buf[0] = i;
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pcc->SetCharClasses(buf, thisClass);
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charClass[i] = thisClass;
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}
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for (int classVal = 0; classVal < 4; ++classVal) {
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CharClassify::cc thisClass = CharClassify::cc(classVal % 4);
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int size = pcc->GetCharsOfClass(thisClass, NULL);
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std::vector<unsigned char> buffer(size+1);
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pcc->GetCharsOfClass(thisClass, &buffer[0]);
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for (int i = 1; i < 256; i++) {
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if (charClass[i] == thisClass) {
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if (!memchr(reinterpret_cast<char*>(&buffer[0]), i, size))
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std::cerr
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<< "Character " << i
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<< " should be class " << GetClassName(thisClass)
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<< ", but was not in GetCharsOfClass;"
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<< " it is reported to be "
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<< GetClassName(pcc->GetClass(i)) << std::endl;
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REQUIRE(memchr(reinterpret_cast<char*>(&buffer[0]), i, size));
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} else {
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if (memchr(reinterpret_cast<char*>(&buffer[0]), i, size))
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std::cerr
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<< "Character " << i
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<< " should not be class " << GetClassName(thisClass)
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<< ", but was in GetCharsOfClass"
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<< " it is reported to be "
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<< GetClassName(pcc->GetClass(i)) << std::endl;
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REQUIRE_FALSE(memchr(reinterpret_cast<char*>(&buffer[0]), i, size));
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}
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}
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}
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}
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