Kyle Isom
2551388420
Add `reflow-paragraph` tests for numbered lists with hanging indents and extend support for numbered list parsing and wrapping logic.
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
#include "Test.h"
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#include "Buffer.h"
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#include "Command.h"
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#include "Editor.h"
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#include <iostream>
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#include <string>
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static std::string
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to_string_rows(const Buffer &buf)
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{
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std::string out;
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for (const auto &r: buf.Rows()) {
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out += static_cast<std::string>(r);
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out.push_back('\n');
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}
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return out;
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}
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TEST (ReflowParagraph_NumberedList_HangingIndent)
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{
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InstallDefaultCommands();
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Editor ed;
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ed.SetDimensions(24, 80);
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Buffer b;
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// Two list items in one paragraph (no blank lines).
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// Second line of each item already uses a hanging indent.
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const std::string initial =
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"1. one two three four five six seven eight nine ten eleven\n"
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" twelve thirteen fourteen\n"
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"10. alpha beta gamma delta epsilon zeta eta theta iota kappa lambda\n"
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" mu nu xi omicron\n";
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b.insert_text(0, 0, initial);
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// Put cursor on first item
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b.SetCursor(0, 0);
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ed.AddBuffer(std::move(b));
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Buffer *buf = ed.CurrentBuffer();
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ASSERT_TRUE(buf != nullptr);
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const int width = 25;
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ASSERT_TRUE(Execute(ed, std::string("reflow-paragraph"), std::string(), width));
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const auto &rows = buf->Rows();
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ASSERT_TRUE(!rows.empty());
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const std::string dump = to_string_rows(*buf);
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// Find the start of the second item.
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bool any_too_long = false;
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std::size_t idx_10 = rows.size();
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for (std::size_t i = 0; i < rows.size(); ++i) {
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const std::string line = static_cast<std::string>(rows[i]);
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if (static_cast<int>(line.size()) > width)
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any_too_long = true;
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if (line.rfind("10. ", 0) == 0) {
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idx_10 = i;
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break;
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}
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}
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ASSERT_TRUE(idx_10 < rows.size());
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if (any_too_long) {
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std::cerr << "Reflow produced a line longer than width=" << width << "\n";
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std::cerr << to_string_rows(*buf) << "\n";
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}
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EXPECT_TRUE(!any_too_long);
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// Item 1: first line has "1. ", continuation lines have 3 spaces.
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for (std::size_t i = 0; i < idx_10; ++i) {
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const std::string line = static_cast<std::string>(rows[i]);
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if (i == 0) {
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ASSERT_TRUE(line.rfind("1. ", 0) == 0);
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} else {
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ASSERT_TRUE(line.rfind(" ", 0) == 0);
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ASSERT_TRUE(line.rfind("1. ", 0) != 0);
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}
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}
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// Item 10: first line has "10. ", continuation lines have 4 spaces.
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ASSERT_TRUE(static_cast<std::string>(rows[idx_10]).rfind("10. ", 0) == 0);
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bool bad_10 = false;
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for (std::size_t i = idx_10 + 1; i < rows.size(); ++i) {
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const std::string line = static_cast<std::string>(rows[i]);
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if (line.empty())
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break; // paragraph terminator / trailing empty line
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if (line.rfind(" ", 0) != 0)
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bad_10 = true;
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if (line.rfind("10. ", 0) == 0)
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bad_10 = true;
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}
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if (bad_10) {
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std::cerr << "Unexpected prefix in reflow output:\n" << dump << "\n";
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}
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ASSERT_TRUE(!bad_10);
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// Debug helper if something goes wrong (kept as a string for easy inspection).
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EXPECT_TRUE(!to_string_rows(*buf).empty());
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} |