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[Clipboard] Changed the general copy/paste

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Fixed issues due to copy/paste of empty formulas. When pasted, empty
formulas are now recognized by the parser and apear with the
correct layout

Without this process, copying an empty integral then pasting it gives :
int((), x, (), ()) instead of drawing an empty integral

Change-Id: I680aaf4eea953149e2d57efa8153ab4d3f93e2a7
This commit is contained in:
Arthur Camouseigt
2020-09-07 16:18:49 +02:00
committed by Émilie Feral
parent 8f97a332f6
commit ea36c6e5d7
3 changed files with 54 additions and 1 deletions
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28
escher/test/clipboard.cpp
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@@ -1,5 +1,7 @@
#include <quiz.h>
#include <string.h>
#include <poincare_layouts.h>
#include <poincare/expression.h>
#include <escher/clipboard.h>
void assert_clipboard_enters_and_exits_python(const char * string, const char * stringResult) {
@@ -19,3 +21,29 @@ QUIZ_CASE(escher_clipboard_enters_and_exits_python) {
assert_clipboard_enters_and_exits_python("1×𝐢^2", "1*1j**2");
assert_clipboard_enters_and_exits_python("12^(1/4)×(π/6)×(12×π)^(1/4)", "12**(1/4)*(pi/6)*(12*pi)**(1/4)");
}
using namespace Poincare;
void assert_stored_text_is_parseable(Poincare::Layout layout) {
constexpr int bufferSize = 500;
char buffer[bufferSize];
layout.serializeForParsing(buffer, bufferSize);
Clipboard * clipboard = Clipboard::sharedClipboard();
clipboard->store(buffer);
Expression e = Expression::Parse(clipboard->storedText(), nullptr, false);
Layout result = e.createLayout(Preferences::sharedPreferences()->displayMode(), Poincare::PrintFloat::k_numberOfStoredSignificantDigits);
quiz_assert(layout.isIdenticalTo(result));
}
QUIZ_CASE(escher_clipboard_stored_text_is_parseable) {
Layout l = IntegralLayout::Builder(EmptyLayout::Builder(), CodePointLayout::Builder('x'), EmptyLayout::Builder(), EmptyLayout::Builder());
assert_stored_text_is_parseable(l);
l = NthRootLayout::Builder(EmptyLayout::Builder());
assert_stored_text_is_parseable(l);
l = MatrixLayout::Builder(CodePointLayout::Builder('1'), EmptyLayout::Builder(), EmptyLayout::Builder(), CodePointLayout::Builder('2'));
assert_stored_text_is_parseable(l);
l = SumLayout::Builder(EmptyLayout::Builder(), CodePointLayout::Builder('n'), EmptyLayout::Builder(), EmptyLayout::Builder());
assert_stored_text_is_parseable(l);
l = SumLayout::Builder(EmptyLayout::Builder(), CodePointLayout::Builder('n'), EmptyLayout::Builder(), EmptyLayout::Builder());
assert_stored_text_is_parseable(l);;
}