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Fixup parsing for Plural-Forms (#15519)

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y5nw 2024-12-12 15:33:34 +01:00 • committed by GitHub
parent 1e59b9a756
commit ac7406c8a1
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3 changed files with 51 additions and 22 deletions
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35
src/unittest/test_translations.cpp
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@ -25,12 +25,41 @@ TEST_CASE("test translations")
{
SECTION("Plural-Forms function for translations")
{
auto form = GettextPluralForm::parseHeaderLine(L"Plural-Forms: nplurals=3; plural= (n-1+1)<=1 ? n||1?0:1 : 1?(!!2):2;");
REQUIRE(form);
REQUIRE(form->size() == 3);
#define REQUIRE_FORM_SIZE(x) {REQUIRE(form); REQUIRE(form->size() == (x));}
// Test cases from https://www.gnu.org/software/gettext/manual/html_node/Plural-forms.html
auto form = GettextPluralForm::parseHeaderLine(L"Plural-Forms: nplurals=2; plural=n != 1;");
REQUIRE_FORM_SIZE(2);
CHECK((*form)(0) == 1);
CHECK((*form)(1) == 0);
CHECK((*form)(2) == 1);
form = GettextPluralForm::parseHeaderLine(L"Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2;");
REQUIRE_FORM_SIZE(3);
CHECK((*form)(0) == 2);
CHECK((*form)(1) == 0);
CHECK((*form)(102) == 1);
CHECK((*form)(111) == 1);
form = GettextPluralForm::parseHeaderLine(L"Plural-Forms: nplurals=3; "
"plural=n%10==1 && n%100!=11 ? 0 : "
"n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;");
REQUIRE_FORM_SIZE(3);
CHECK((*form)(0) == 2);
CHECK((*form)(1) == 0);
CHECK((*form)(102) == 1);
CHECK((*form)(104) == 1);
CHECK((*form)(111) == 2);
CHECK((*form)(112) == 2);
CHECK((*form)(121) == 0);
CHECK((*form)(122) == 1);
// Edge cases
form = GettextPluralForm::parseHeaderLine(L"Plural-Forms: nplurals=3; plural= (n-1+1)<=1 ? n||1?0:1 : 1?(!!2):2;");
REQUIRE_FORM_SIZE(3);
CHECK((*form)(0) == 0);
CHECK((*form)(1) == 0);
CHECK((*form)(2) == 1);
#undef REQUIRE_FORM_SIZE
}
SECTION("PO file parser")