/**************************************************************************/
/* test_tab_bar.h */
/**************************************************************************/
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/* GODOT ENGINE */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
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#ifndef TEST_TAB_BAR_H
#define TEST_TAB_BAR_H
#include "scene/gui/tab_bar.h"
#include "scene/main/window.h"
#include "tests/test_macros.h"
namespace TestTabBar {
static inline Array build_array() {
return Array();
}
template <typename... Targs>
static inline Array build_array(Variant item, Targs... Fargs) {
Array a = build_array(Fargs...);
a.push_front(item);
return a;
}
TEST_CASE("[SceneTree][TabBar] tab operations") {
TabBar *tab_bar = memnew(TabBar);
SceneTree::get_singleton()->get_root()->add_child(tab_bar);
tab_bar->set_clip_tabs(false);
MessageQueue::get_singleton()->flush();
SIGNAL_WATCH(tab_bar, "tab_selected");
SIGNAL_WATCH(tab_bar, "tab_changed");
SUBCASE("[TabBar] no tabs") {
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
}
SUBCASE("[TabBar] add tabs") {
tab_bar->add_tab("tab0");
CHECK(tab_bar->get_tab_count() == 1);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK("tab_selected", build_array(build_array(0)));
SIGNAL_CHECK("tab_changed", build_array(build_array(0)));
tab_bar->add_tab("tab1");
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
tab_bar->add_tab("tab2");
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
CHECK(tab_bar->get_tab_title(0) == "tab0");
CHECK(tab_bar->get_tab_tooltip(0) == "");
CHECK(tab_bar->get_tab_text_direction(0) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(0));
CHECK_FALSE(tab_bar->is_tab_hidden(0));
CHECK(tab_bar->get_tab_title(1) == "tab1");
CHECK(tab_bar->get_tab_tooltip(1) == "");
CHECK(tab_bar->get_tab_text_direction(1) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(1));
CHECK_FALSE(tab_bar->is_tab_hidden(1));
CHECK(tab_bar->get_tab_title(2) == "tab2");
CHECK(tab_bar->get_tab_tooltip(2) == "");
CHECK(tab_bar->get_tab_text_direction(2) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(2));
CHECK_FALSE(tab_bar->is_tab_hidden(2));
}
SUBCASE("[TabBar] set tab count") {
// Adds multiple tabs at once.
tab_bar->set_tab_count(3);
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
CHECK(tab_bar->get_tab_title(0) == "");
CHECK(tab_bar->get_tab_tooltip(0) == "");
CHECK(tab_bar->get_tab_text_direction(0) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(0));
CHECK_FALSE(tab_bar->is_tab_hidden(0));
CHECK(tab_bar->get_tab_title(1) == "");
CHECK(tab_bar->get_tab_tooltip(1) == "");
CHECK(tab_bar->get_tab_text_direction(1) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(1));
CHECK_FALSE(tab_bar->is_tab_hidden(1));
CHECK(tab_bar->get_tab_title(2) == "");
CHECK(tab_bar->get_tab_tooltip(2) == "");
CHECK(tab_bar->get_tab_text_direction(2) == Control::TEXT_DIRECTION_INHERITED);
CHECK_FALSE(tab_bar->is_tab_disabled(2));
CHECK_FALSE(tab_bar->is_tab_hidden(2));
// Setting to less tabs than there are removes from the end.
tab_bar->set_tab_title(0, "tab0");
tab_bar->set_tab_title(1, "tab1");
tab_bar->set_tab_title(2, "tab2");
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
CHECK(tab_bar->get_tab_title(0) == "tab0");
CHECK(tab_bar->get_tab_title(1) == "tab1");
// Remove all tabs.
tab_bar->set_tab_count(0);
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
}
SUBCASE("[TabBar] clear tabs") {
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
tab_bar->clear_tabs();
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SUBCASE("[TabBar] remove tabs") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Remove first tab.
tab_bar->remove_tab(0);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_tab_title(0) == "tab1");
CHECK(tab_bar->get_tab_title(1) == "tab2");
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Remove last tab.
tab_bar->remove_tab(1);
CHECK(tab_bar->get_tab_count() == 1);
CHECK(tab_bar->get_tab_title(0) == "tab1");
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Remove only tab.
tab_bar->remove_tab(0);
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK("tab_changed", build_array(build_array(-1)));
// Remove current tab when there are other tabs.
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->set_current_tab(1);
tab_bar->set_current_tab(2);
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 2);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
tab_bar->remove_tab(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK("tab_changed", build_array(build_array(1)));
}
SUBCASE("[TabBar] move tabs") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Don't move if index is the same.
tab_bar->move_tab(0, 0);
CHECK(tab_bar->get_tab_title(0) == "tab0");
CHECK(tab_bar->get_tab_title(1) == "tab1");
CHECK(tab_bar->get_tab_title(2) == "tab2");
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Move the first tab to the end.
tab_bar->move_tab(0, 2);
CHECK(tab_bar->get_tab_title(0) == "tab1");
CHECK(tab_bar->get_tab_title(1) == "tab2");
CHECK(tab_bar->get_tab_title(2) == "tab0");
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 2);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Move the second tab to the front.
tab_bar->move_tab(1, 0);
CHECK(tab_bar->get_tab_title(0) == "tab2");
CHECK(tab_bar->get_tab_title(1) == "tab1");
CHECK(tab_bar->get_tab_title(2) == "tab0");
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 2);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SUBCASE("[TabBar] set current tab") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK("tab_selected", build_array(build_array(0)));
SIGNAL_CHECK("tab_changed", build_array(build_array(0)));
// Set the current tab.
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK("tab_selected", build_array(build_array(1)));
SIGNAL_CHECK("tab_changed", build_array(build_array(1)));
// Set to same tab.
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK("tab_selected", build_array(build_array(1)));
SIGNAL_CHECK_FALSE("tab_changed");
// Out of bounds.
ERR_PRINT_OFF;
tab_bar->set_current_tab(-5);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
tab_bar->set_current_tab(5);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
ERR_PRINT_ON;
}
SUBCASE("[TabBar] deselection enabled") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Setting deselect enabled doesn't change current tab.
tab_bar->set_deselect_enabled(true);
CHECK(tab_bar->get_deselect_enabled());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Can deselect all tabs by setting current to -1.
tab_bar->set_current_tab(-1);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK("tab_selected", build_array(build_array(-1)));
SIGNAL_CHECK("tab_changed", build_array(build_array(-1)));
// Adding a tab will still set the current tab to 0.
tab_bar->clear_tabs();
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK("tab_selected", build_array(build_array(0)));
SIGNAL_CHECK("tab_changed", build_array(build_array(0)));
tab_bar->set_current_tab(-1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Disabling while at -1 will select the first available tab.
tab_bar->set_deselect_enabled(false);
CHECK_FALSE(tab_bar->get_deselect_enabled());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK("tab_selected", build_array(build_array(0)));
SIGNAL_CHECK("tab_changed", build_array(build_array(0)));
// Cannot set to -1 if disabled.
ERR_PRINT_OFF;
tab_bar->set_current_tab(-1);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
ERR_PRINT_ON;
// Disabling while at -1 skips any disabled or hidden tabs.
tab_bar->set_deselect_enabled(true);
tab_bar->set_tab_disabled(0, true);
tab_bar->set_tab_hidden(1, true);
tab_bar->set_current_tab(-1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
tab_bar->set_deselect_enabled(false);
CHECK(tab_bar->get_current_tab() == 2);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK("tab_selected", build_array(build_array(2)));
SIGNAL_CHECK("tab_changed", build_array(build_array(2)));
}
SUBCASE("[TabBar] hidden tabs") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
CHECK_FALSE(tab_bar->is_tab_hidden(1));
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
MessageQueue::get_singleton()->flush();
Vector<Rect2> tab_rects = {
tab_bar->get_tab_rect(0),
tab_bar->get_tab_rect(1),
tab_bar->get_tab_rect(2)
};
// Hiding a tab does not affect current tab.
tab_bar->set_tab_hidden(1, true);
CHECK(tab_bar->is_tab_hidden(1));
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// The tabs after are moved over.
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_rect(0) == tab_rects[0]);
CHECK(tab_bar->get_tab_rect(2) == tab_rects[1]);
// Unhiding a tab does not affect current tab.
tab_bar->set_tab_hidden(1, false);
CHECK_FALSE(tab_bar->is_tab_hidden(1));
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// The tabs are back where they were.
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_rect(0) == tab_rects[0]);
CHECK(tab_bar->get_tab_rect(1) == tab_rects[1]);
CHECK(tab_bar->get_tab_rect(2) == tab_rects[2]);
}
SUBCASE("[TabBar] disabled tabs") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
CHECK_FALSE(tab_bar->is_tab_disabled(1));
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
CHECK_FALSE(tab_bar->is_tab_hidden(1));
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Disabling a tab does not affect current tab.
tab_bar->set_tab_disabled(1, true);
CHECK(tab_bar->is_tab_disabled(1));
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Enabling a tab does not affect current tab.
tab_bar->set_tab_disabled(1, false);
CHECK_FALSE(tab_bar->is_tab_disabled(1));
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SUBCASE("[TabBar] select next available") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->add_tab("tab3");
tab_bar->add_tab("tab4");
tab_bar->set_tab_disabled(2, true);
tab_bar->set_tab_hidden(3, true);
tab_bar->set_current_tab(0);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Selects the next tab.
CHECK(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK("tab_selected", build_array(build_array(1)));
SIGNAL_CHECK("tab_changed", build_array(build_array(1)));
// Skips over disabled and hidden tabs.
CHECK(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == 4);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK("tab_selected", build_array(build_array(4)));
SIGNAL_CHECK("tab_changed", build_array(build_array(4)));
// Does not wrap around.
CHECK_FALSE(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == 4);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there is only one valid tab.
tab_bar->remove_tab(0);
tab_bar->remove_tab(3);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there are no valid tabs.
tab_bar->remove_tab(0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there are no tabs.
tab_bar->clear_tabs();
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_next_available());
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SUBCASE("[TabBar] select previous available") {
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1");
tab_bar->add_tab("tab2");
tab_bar->add_tab("tab3");
tab_bar->add_tab("tab4");
tab_bar->set_tab_disabled(1, true);
tab_bar->set_tab_hidden(2, true);
tab_bar->set_current_tab(4);
CHECK(tab_bar->get_current_tab() == 4);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
// Selects the previous tab.
CHECK(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == 3);
CHECK(tab_bar->get_previous_tab() == 4);
SIGNAL_CHECK("tab_selected", build_array(build_array(3)));
SIGNAL_CHECK("tab_changed", build_array(build_array(3)));
// Skips over disabled and hidden tabs.
CHECK(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 3);
SIGNAL_CHECK("tab_selected", build_array(build_array(0)));
SIGNAL_CHECK("tab_changed", build_array(build_array(0)));
// Does not wrap around.
CHECK_FALSE(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 3);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there is only one valid tab.
tab_bar->remove_tab(4);
tab_bar->remove_tab(3);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 2);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == 2);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there are no valid tabs.
tab_bar->remove_tab(0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == 1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Fails if there are no tabs.
tab_bar->clear_tabs();
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_DISCARD("tab_selected");
SIGNAL_DISCARD("tab_changed");
CHECK_FALSE(tab_bar->select_previous_available());
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SIGNAL_UNWATCH(tab_bar, "tab_selected");
SIGNAL_UNWATCH(tab_bar, "tab_changed");
memdelete(tab_bar);
}
TEST_CASE("[SceneTree][TabBar] initialization") {
TabBar *tab_bar = memnew(TabBar);
SIGNAL_WATCH(tab_bar, "tab_selected");
SIGNAL_WATCH(tab_bar, "tab_changed");
SUBCASE("[TabBar] current tab can be set before tabs are set") {
// This queues the current tab to update on when tabs are set.
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK("tab_selected", build_array(build_array(1)));
SIGNAL_CHECK("tab_changed", build_array(build_array(1)));
// Does not work again.
ERR_PRINT_OFF;
tab_bar->set_current_tab(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
tab_bar->set_tab_count(3);
CHECK(tab_bar->get_tab_count() == 3);
CHECK(tab_bar->get_current_tab() == 1);
CHECK(tab_bar->get_previous_tab() == 0);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
ERR_PRINT_ON;
}
SUBCASE("[TabBar] setting tabs works normally if no current tab was set") {
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SUBCASE("[TabBar] cannot set current tab to an invalid value before tabs are set") {
tab_bar->set_current_tab(100);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// This will print an error message as if `set_current_tab` was called after.
ERR_PRINT_OFF;
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
ERR_PRINT_ON;
}
SUBCASE("[TabBar] setting the current tab before tabs only works when out of tree") {
tab_bar->set_current_tab(1);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
SceneTree::get_singleton()->get_root()->add_child(tab_bar);
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_count() == 0);
CHECK(tab_bar->get_current_tab() == -1);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
// Works normally.
tab_bar->set_tab_count(2);
CHECK(tab_bar->get_tab_count() == 2);
CHECK(tab_bar->get_current_tab() == 0);
CHECK(tab_bar->get_previous_tab() == -1);
SIGNAL_CHECK_FALSE("tab_selected");
SIGNAL_CHECK_FALSE("tab_changed");
}
SIGNAL_UNWATCH(tab_bar, "tab_selected");
SIGNAL_UNWATCH(tab_bar, "tab_changed");
memdelete(tab_bar);
}
TEST_CASE("[SceneTree][TabBar] layout and offset") {
TabBar *tab_bar = memnew(TabBar);
SceneTree::get_singleton()->get_root()->add_child(tab_bar);
tab_bar->set_clip_tabs(false);
tab_bar->add_tab("tab0");
tab_bar->add_tab("tab1 ");
tab_bar->add_tab("tab2 ");
MessageQueue::get_singleton()->flush();
Size2 all_tabs_size = tab_bar->get_size();
Vector<Rect2> tab_rects = {
tab_bar->get_tab_rect(0),
tab_bar->get_tab_rect(1),
tab_bar->get_tab_rect(2)
};
SUBCASE("[TabBar] tabs are arranged next to each other") {
// Horizontal positions are next to each other.
CHECK(tab_rects[0].position.x == 0);
CHECK(tab_rects[1].position.x == tab_rects[0].size.x);
CHECK(tab_rects[2].position.x == tab_rects[1].position.x + tab_rects[1].size.x);
// Fills the entire width.
CHECK(tab_rects[2].position.x + tab_rects[2].size.x == all_tabs_size.x);
// Horizontal sizes are positive.
CHECK(tab_rects[0].size.x > 0);
CHECK(tab_rects[1].size.x > 0);
CHECK(tab_rects[2].size.x > 0);
// Vertical positions are at 0.
CHECK(tab_rects[0].position.y == 0);
CHECK(tab_rects[1].position.y == 0);
CHECK(tab_rects[2].position.y == 0);
// Vertical sizes are the same.
CHECK(tab_rects[0].size.y == tab_rects[1].size.y);
CHECK(tab_rects[1].size.y == tab_rects[2].size.y);
}
SUBCASE("[TabBar] tab alignment") {
// Add extra space so the alignment can be seen.
tab_bar->set_size(Size2(all_tabs_size.x + 100, all_tabs_size.y));
// Left alignment.
tab_bar->set_tab_alignment(TabBar::ALIGNMENT_LEFT);
MessageQueue::get_singleton()->flush();
tab_rects = {
tab_bar->get_tab_rect(0),
tab_bar->get_tab_rect(1),
tab_bar->get_tab_rect(2)
};
CHECK(tab_bar->get_tab_alignment() == TabBar::ALIGNMENT_LEFT);
CHECK(tab_rects[0].position.x == 0);
CHECK(tab_rects[1].position.x == tab_rects[0].size.x);
CHECK(tab_rects[2].position.x == tab_rects[1].position.x + tab_rects[1].size.x);
// Right alignment.
tab_bar->set_tab_alignment(TabBar::ALIGNMENT_RIGHT);
MessageQueue::get_singleton()->flush();
tab_rects = {
tab_bar->get_tab_rect(0),
tab_bar->get_tab_rect(1),
tab_bar->get_tab_rect(2)
};
CHECK(tab_bar->get_tab_alignment() == TabBar::ALIGNMENT_RIGHT);
CHECK(tab_rects[2].position.x == tab_bar->get_size().x - tab_rects[2].size.x);
CHECK(tab_rects[1].position.x == tab_rects[2].position.x - tab_rects[1].size.x);
CHECK(tab_rects[0].position.x == tab_rects[1].position.x - tab_rects[0].size.x);
// Center alignment.
tab_bar->set_tab_alignment(TabBar::ALIGNMENT_CENTER);
MessageQueue::get_singleton()->flush();
tab_rects = {
tab_bar->get_tab_rect(0),
tab_bar->get_tab_rect(1),
tab_bar->get_tab_rect(2)
};
CHECK(tab_bar->get_tab_alignment() == TabBar::ALIGNMENT_CENTER);
float center_pos = tab_bar->get_size().x / 2;
CHECK(tab_rects[0].position.x == center_pos - all_tabs_size.x / 2);
CHECK(tab_rects[1].position.x == tab_rects[0].position.x + tab_rects[0].size.x);
CHECK(tab_rects[2].position.x == tab_rects[1].position.x + tab_rects[1].size.x);
}
SUBCASE("[TabBar] clip tabs") {
// Clip tabs disabled means all tabs are visible and the minimum size holds all of them.
tab_bar->set_clip_tabs(false);
CHECK_FALSE(tab_bar->get_clip_tabs());
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_offset() == 0);
CHECK(tab_bar->get_minimum_size() == tab_bar->get_size());
CHECK(tab_bar->get_size().x == tab_rects[0].size.x + tab_rects[1].size.x + tab_rects[2].size.x);
CHECK(tab_bar->get_size().y == MAX(tab_rects[0].size.y, MAX(tab_rects[1].size.y, tab_rects[2].size.y)));
tab_bar->set_clip_tabs(true);
CHECK(tab_bar->get_clip_tabs());
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_offset() == 0);
// Horizontal size and minimum size get set to 0.
CHECK(tab_bar->get_minimum_size().x == 0);
CHECK(tab_bar->get_minimum_size().y == all_tabs_size.y);
CHECK(tab_bar->get_size().x == 0);
CHECK(tab_bar->get_size().y == all_tabs_size.y);
}
SUBCASE("[TabBar] ensure tab visible") {
tab_bar->set_scroll_to_selected(false);
tab_bar->set_clip_tabs(true);
// Resize tab bar to only be able to fit 2 tabs.
const float offset_button_size = tab_bar->get_theme_icon("decrement_icon")->get_width() + tab_bar->get_theme_icon("increment_icon")->get_width();
tab_bar->set_size(Size2(tab_rects[2].size.x + tab_rects[1].size.x + offset_button_size, all_tabs_size.y));
MessageQueue::get_singleton()->flush();
CHECK(tab_bar->get_tab_offset() == 0);
CHECK(tab_bar->get_offset_buttons_visible());
// Scroll right to a tab that is not visible.
tab_bar->ensure_tab_visible(2);
CHECK(tab_bar->get_tab_offset() == 1);
CHECK(tab_bar->get_tab_rect(1).position.x == 0);
CHECK(tab_bar->get_tab_rect(2).position.x == tab_rects[1].size.x);
tab_bar->set_tab_offset(2);
CHECK(tab_bar->get_tab_offset() == 2);
CHECK(tab_bar->get_tab_rect(2).position.x == 0);
// Scroll left to a previous tab.
tab_bar->ensure_tab_visible(1);
CHECK(tab_bar->get_tab_offset() == 1);
CHECK(tab_bar->get_tab_rect(1).position.x == 0);
CHECK(tab_bar->get_tab_rect(2).position.x == tab_rects[1].size.x);
// Will not scroll if the tab is already visible.
tab_bar->ensure_tab_visible(2);
CHECK(tab_bar->get_tab_offset() == 1);
CHECK(tab_bar->get_tab_rect(1).position.x == 0);
CHECK(tab_bar->get_tab_rect(2).position.x == tab_rects[1].size.x);
}
memdelete(tab_bar);
}
// FIXME: Add tests for mouse click, keyboard navigation, and drag and drop.
} // namespace TestTabBar
#endif // TEST_TAB_BAR_H
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