cdn-experiments/ccp/js/codemirror-5.65.2/test/scroll_test.js

127 lines
4.7 KiB
JavaScript
Raw Normal View History

2022-03-25 15:39:39 +01:00
(function() {
"use strict";
namespace = "scroll_";
testCM("bars_hidden", function(cm) {
for (var i = 0;; i++) {
var wrapBox = cm.getWrapperElement().getBoundingClientRect();
var scrollBox = cm.getScrollerElement().getBoundingClientRect();
is(wrapBox.bottom < scrollBox.bottom - 10);
is(wrapBox.right < scrollBox.right - 10);
if (i == 1) break;
cm.getWrapperElement().style.height = "auto";
cm.refresh();
}
});
function barH(cm) { return byClassName(cm.getWrapperElement(), "CodeMirror-hscrollbar")[0]; }
function barV(cm) { return byClassName(cm.getWrapperElement(), "CodeMirror-vscrollbar")[0]; }
function displayBottom(cm, scrollbar) {
if (scrollbar && cm.display.scroller.offsetHeight > cm.display.scroller.clientHeight)
return barH(cm).getBoundingClientRect().top;
else
return cm.getWrapperElement().getBoundingClientRect().bottom - 1;
}
function displayRight(cm, scrollbar) {
if (scrollbar && cm.display.scroller.offsetWidth > cm.display.scroller.clientWidth)
return barV(cm).getBoundingClientRect().left;
else
return cm.getWrapperElement().getBoundingClientRect().right - 1;
}
function testMovedownFixed(cm, hScroll) {
cm.setSize("100px", "100px");
if (hScroll) cm.setValue(new Array(100).join("x"));
var bottom = displayBottom(cm, hScroll);
for (var i = 0; i < 30; i++) {
cm.replaceSelection("x\n");
var cursorBottom = cm.cursorCoords(null, "window").bottom;
is(cursorBottom <= bottom);
}
is(cursorBottom >= bottom - 5);
}
testCM("movedown_fixed", function(cm) {testMovedownFixed(cm, false);});
testCM("movedown_hscroll_fixed", function(cm) {testMovedownFixed(cm, true);});
function testMovedownResize(cm, hScroll) {
cm.getWrapperElement().style.height = "auto";
if (hScroll) cm.setValue(new Array(100).join("x"));
cm.refresh();
for (var i = 0; i < 30; i++) {
cm.replaceSelection("x\n");
var bottom = displayBottom(cm, hScroll);
var cursorBottom = cm.cursorCoords(null, "window").bottom;
is(cursorBottom <= bottom);
is(cursorBottom >= bottom - 5);
}
}
testCM("movedown_resize", function(cm) {testMovedownResize(cm, false);});
testCM("movedown_hscroll_resize", function(cm) {testMovedownResize(cm, true);});
function testMoveright(cm, wrap, scroll) {
cm.setSize("100px", "100px");
if (wrap) cm.setOption("lineWrapping", true);
if (scroll) {
cm.setValue("\n" + new Array(100).join("x\n"));
cm.setCursor(Pos(0, 0));
}
var right = displayRight(cm, scroll);
for (var i = 0; i < 10; i++) {
cm.replaceSelection("xxxxxxxxxx");
var cursorRight = cm.cursorCoords(null, "window").right;
is(cursorRight < right);
}
if (!wrap) is(cursorRight > right - 20);
}
testCM("moveright", function(cm) {testMoveright(cm, false, false);});
testCM("moveright_wrap", function(cm) {testMoveright(cm, true, false);});
testCM("moveright_scroll", function(cm) {testMoveright(cm, false, true);});
testCM("moveright_scroll_wrap", function(cm) {testMoveright(cm, true, true);});
testCM("suddenly_wide", function(cm) {
addDoc(cm, 100, 100);
cm.replaceSelection(new Array(600).join("l ") + "\n");
cm.execCommand("goLineUp");
cm.execCommand("goLineEnd");
is(barH(cm).scrollLeft > cm.getScrollerElement().scrollLeft - 1);
});
testCM("wrap_changes_height", function(cm) {
var line = new Array(20).join("a ") + "\n";
cm.setValue(new Array(20).join(line));
var box = cm.getWrapperElement().getBoundingClientRect();
cm.setSize(cm.cursorCoords(Pos(0), "window").right - box.left + 2,
cm.cursorCoords(Pos(19, 0), "window").bottom - box.top + 2);
cm.setCursor(Pos(19, 0));
cm.replaceSelection("\n");
is(cm.cursorCoords(null, "window").bottom < displayBottom(cm, false));
}, {lineWrapping: true});
testCM("height_auto_with_gutter_expect_no_scroll_after_line_delete", function(cm) {
cm.setSize(null, "auto");
cm.setValue("x\n");
cm.execCommand("goDocEnd");
cm.execCommand("delCharBefore");
eq(cm.getScrollInfo().top, 0);
cm.scrollTo(null, 10);
is(cm.getScrollInfo().top < 5);
}, {lineNumbers: true});
testCM("bidi_ensureCursorVisible", function(cm) {
cm.setValue("<dd>وضع الاستخدام. عندما لا تعطى، وهذا الافتراضي إلى الطريقة الاولى\n");
cm.execCommand("goLineStart");
eq(cm.getScrollInfo().left, 0);
cm.execCommand("goCharRight");
cm.execCommand("goCharRight");
cm.execCommand("goCharRight");
eqCursorPos(cm.getCursor(), Pos(0, 3, "before"));
eq(cm.getScrollInfo().left, 0);
}, {lineWrapping: false});
})();