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#include "listwidget.h"
#include "stflpp.h"
#include "utils.h"
#include "3rd-party/catch.hpp"
#include <cstdint>
#include <set>
#include <string>
using namespace newsboat;
const static std::string stflListForm =
"vbox\n"
" list[list-name]\n"
" richtext:1\n"
" pos[list-name_pos]:0\n"
" offset[list-name_offset]:0";
std::string render_empty_line(std::uint32_t, std::uint32_t)
{
return "";
}
TEST_CASE("invalidate_list_content() makes sure `position < num_lines`", "[ListWidget]")
{
const std::uint32_t scrolloff = 0;
Stfl::Form listForm(stflListForm);
ListWidget listWidget("list-name", listForm, scrolloff);
GIVEN("a ListWidget with 3 lines and position=2") {
listWidget.invalidate_list_content(3, render_empty_line);
listWidget.set_position(2);
REQUIRE(listWidget.get_position() == 2);
WHEN("the number of lines is reduced") {
listWidget.invalidate_list_content(2, render_empty_line);
THEN("the position is equal to the bottom item of the new list") {
REQUIRE(listWidget.get_position() == 1);
}
}
WHEN("all lines are removed") {
listWidget.invalidate_list_content(0, render_empty_line);
THEN("the position is changed to 0") {
REQUIRE(listWidget.get_position() == 0);
}
}
WHEN("a line is added") {
listWidget.invalidate_list_content(4, render_empty_line);
THEN("the position is not changed") {
REQUIRE(listWidget.get_position() == 2);
}
}
}
}
TEST_CASE("stfl_replace_list() makes sure the position is reset", "[ListWidget]")
{
const std::uint32_t scrolloff = 0;
Stfl::Form listForm(stflListForm);
ListWidget listWidget("list-name", listForm, scrolloff);
const std::string stflListPrototype =
"{list[list-name] "
"richtext:1 "
"pos[list-name_pos]:0 "
"offset[list-name_offset]:0 "
"}";
GIVEN("a ListWidget with 3 lines and position=2") {
listWidget.invalidate_list_content(3, render_empty_line);
listWidget.set_position(2);
REQUIRE(listWidget.get_position() == 2);
WHEN("the list is replaced") {
listWidget.stfl_replace_list(stflListPrototype);
THEN("the position is changed to 0") {
REQUIRE(listWidget.get_position() == 0);
}
}
}
}
TEST_CASE("invalidate_list_content() clears internal caches", "[ListWidget]")
{
const std::uint32_t scrolloff = 0;
Stfl::Form listForm(stflListForm);
// Recalculate list dimensions
listForm.run(-3);
Stfl::reset();
ListWidget listWidget("list-name", listForm, scrolloff);
std::set<std::uint32_t> requested_lines;
auto render_line = [&](std::uint32_t line, std::uint32_t) -> std::string {
requested_lines.insert(line);
return "";
};
GIVEN("a ListWidget with 3 lines") {
listWidget.invalidate_list_content(3, render_empty_line);
WHEN("the invalidate_list_content() is called") {
requested_lines.clear();
listWidget.invalidate_list_content(3, render_line);
THEN("all lines are requested again") {
REQUIRE(requested_lines.size() == 3);
REQUIRE(requested_lines.count(0) == 1);
REQUIRE(requested_lines.count(1) == 1);
REQUIRE(requested_lines.count(2) == 1);
}
}
}
}
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