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Autocomplete.test.cpp
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Autocomplete.test.cpp
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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#include "Luau/Autocomplete.h"
#include "Luau/BuiltinDefinitions.h"
#include "Luau/TypeInfer.h"
#include "Luau/Type.h"
#include "Luau/VisitType.h"
#include "Luau/StringUtils.h"
#include "Fixture.h"
#include "ScopedFlags.h"
#include "doctest.h"
#include <map>
LUAU_FASTFLAG(LuauTraceTypesInNonstrictMode2)
LUAU_FASTFLAG(LuauSetMetatableDoesNotTimeTravel)
using namespace Luau;
static std::optional<AutocompleteEntryMap> nullCallback(std::string tag, std::optional<const ClassType*> ptr, std::optional<std::string> contents)
{
return std::nullopt;
}
template<class BaseType>
struct ACFixtureImpl : BaseType
{
ACFixtureImpl()
: BaseType(true, true)
{
}
AutocompleteResult autocomplete(unsigned row, unsigned column)
{
FrontendOptions opts;
opts.forAutocomplete = true;
this->frontend.check("MainModule", opts);
return Luau::autocomplete(this->frontend, "MainModule", Position{row, column}, nullCallback);
}
AutocompleteResult autocomplete(char marker, StringCompletionCallback callback = nullCallback)
{
FrontendOptions opts;
opts.forAutocomplete = true;
this->frontend.check("MainModule", opts);
return Luau::autocomplete(this->frontend, "MainModule", getPosition(marker), callback);
}
AutocompleteResult autocomplete(const ModuleName& name, Position pos, StringCompletionCallback callback = nullCallback)
{
FrontendOptions opts;
opts.forAutocomplete = true;
this->frontend.check(name, opts);
return Luau::autocomplete(this->frontend, name, pos, callback);
}
CheckResult check(const std::string& source)
{
markerPosition.clear();
std::string filteredSource;
filteredSource.reserve(source.size());
Position curPos(0, 0);
char prevChar{};
for (char c : source)
{
if (prevChar == '@')
{
LUAU_ASSERT("Illegal marker character" && ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z')));
LUAU_ASSERT("Duplicate marker found" && markerPosition.count(c) == 0);
markerPosition.insert(std::pair{c, curPos});
}
else if (c == '@')
{
// skip the '@' character
}
else
{
filteredSource.push_back(c);
if (c == '\n')
{
curPos.line++;
curPos.column = 0;
}
else
{
curPos.column++;
}
}
prevChar = c;
}
LUAU_ASSERT("Digit expected after @ symbol" && prevChar != '@');
return BaseType::check(filteredSource);
}
LoadDefinitionFileResult loadDefinition(const std::string& source)
{
GlobalTypes& globals = this->frontend.globalsForAutocomplete;
unfreeze(globals.globalTypes);
LoadDefinitionFileResult result = this->frontend.loadDefinitionFile(
globals, globals.globalScope, source, "@test", /* captureComments */ false, /* typeCheckForAutocomplete */ true);
freeze(globals.globalTypes);
REQUIRE_MESSAGE(result.success, "loadDefinition: unable to load definition file");
return result;
}
const Position& getPosition(char marker) const
{
auto i = markerPosition.find(marker);
LUAU_ASSERT(i != markerPosition.end());
return i->second;
}
// Maps a marker character (0-9 inclusive) to a position in the source code.
std::map<char, Position> markerPosition;
};
struct ACFixture : ACFixtureImpl<Fixture>
{
ACFixture()
: ACFixtureImpl<Fixture>()
{
addGlobalBinding(frontend.globals, "table", Binding{builtinTypes->anyType});
addGlobalBinding(frontend.globals, "math", Binding{builtinTypes->anyType});
addGlobalBinding(frontend.globalsForAutocomplete, "table", Binding{builtinTypes->anyType});
addGlobalBinding(frontend.globalsForAutocomplete, "math", Binding{builtinTypes->anyType});
}
};
struct ACBuiltinsFixture : ACFixtureImpl<BuiltinsFixture>
{
};
TEST_SUITE_BEGIN("AutocompleteTest");
TEST_CASE_FIXTURE(ACFixture, "empty_program")
{
check(" @1");
auto ac = autocomplete('1');
CHECK(!ac.entryMap.empty());
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "local_initializer")
{
check("local a = @1");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Expression);
}
TEST_CASE_FIXTURE(ACFixture, "leave_numbers_alone")
{
check("local a = 3.@11");
auto ac = autocomplete('1');
CHECK(ac.entryMap.empty());
CHECK_EQ(ac.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "user_defined_globals")
{
check("local myLocal = 4; @1");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("myLocal"));
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "dont_suggest_local_before_its_definition")
{
check(R"(
local myLocal = 4
function abc()
@1 local myInnerLocal = 1
@2
end
@3 )");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("myLocal"));
CHECK(!ac.entryMap.count("myInnerLocal"));
ac = autocomplete('2');
CHECK(ac.entryMap.count("myLocal"));
CHECK(ac.entryMap.count("myInnerLocal"));
ac = autocomplete('3');
CHECK(ac.entryMap.count("myLocal"));
CHECK(!ac.entryMap.count("myInnerLocal"));
}
TEST_CASE_FIXTURE(ACFixture, "recursive_function")
{
check(R"(
function foo()
@1 end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("foo"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "nested_recursive_function")
{
check(R"(
local function outer()
local function inner()
@1 end
end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("inner"));
CHECK(ac.entryMap.count("outer"));
}
TEST_CASE_FIXTURE(ACFixture, "user_defined_local_functions_in_own_definition")
{
check(R"(
local function abc()
@1
end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("abc"));
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
check(R"(
local abc = function()
@1
end
)");
ac = autocomplete('1');
CHECK(ac.entryMap.count("abc")); // FIXME: This is actually incorrect!
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
}
TEST_CASE_FIXTURE(ACFixture, "global_functions_are_not_scoped_lexically")
{
check(R"(
if true then
function abc()
end
end
@1 )");
auto ac = autocomplete('1');
CHECK(!ac.entryMap.empty());
CHECK(ac.entryMap.count("abc"));
CHECK(ac.entryMap.count("table"));
CHECK(ac.entryMap.count("math"));
}
TEST_CASE_FIXTURE(ACFixture, "local_functions_fall_out_of_scope")
{
check(R"(
if true then
local function abc()
end
end
@1 )");
auto ac = autocomplete('1');
CHECK_NE(0, ac.entryMap.size());
CHECK(!ac.entryMap.count("abc"));
}
TEST_CASE_FIXTURE(ACFixture, "function_parameters")
{
check(R"(
function abc(test)
@1 end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("test"));
}
TEST_CASE_FIXTURE(ACBuiltinsFixture, "get_member_completions")
{
check(R"(
local a = table.@1
)");
auto ac = autocomplete('1');
CHECK_EQ(17, ac.entryMap.size());
CHECK(ac.entryMap.count("find"));
CHECK(ac.entryMap.count("pack"));
CHECK(!ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "nested_member_completions")
{
check(R"(
local tbl = { abc = { def = 1234, egh = false } }
tbl.abc. @1
)");
auto ac = autocomplete('1');
CHECK_EQ(2, ac.entryMap.size());
CHECK(ac.entryMap.count("def"));
CHECK(ac.entryMap.count("egh"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "unsealed_table")
{
check(R"(
local tbl = {}
tbl.prop = 5
tbl.@1
)");
auto ac = autocomplete('1');
CHECK_EQ(1, ac.entryMap.size());
CHECK(ac.entryMap.count("prop"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "unsealed_table_2")
{
check(R"(
local tbl = {}
local inner = { prop = 5 }
tbl.inner = inner
tbl.inner. @1
)");
auto ac = autocomplete('1');
CHECK_EQ(1, ac.entryMap.size());
CHECK(ac.entryMap.count("prop"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "cyclic_table")
{
check(R"(
local abc = {}
local def = { abc = abc }
abc.def = def
abc.def. @1
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("abc"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "table_union")
{
check(R"(
type t1 = { a1 : string, b2 : number }
type t2 = { b2 : string, c3 : string }
function func(abc : t1 | t2)
abc. @1
end
)");
auto ac = autocomplete('1');
CHECK_EQ(1, ac.entryMap.size());
CHECK(ac.entryMap.count("b2"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "table_intersection")
{
check(R"(
type t1 = { a1 : string, b2 : number }
type t2 = { b2 : number, c3 : string }
function func(abc : t1 & t2)
abc. @1
end
)");
auto ac = autocomplete('1');
CHECK_EQ(3, ac.entryMap.size());
CHECK(ac.entryMap.count("a1"));
CHECK(ac.entryMap.count("b2"));
CHECK(ac.entryMap.count("c3"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACBuiltinsFixture, "get_string_completions")
{
check(R"(
local a = ("foo"):@1
)");
auto ac = autocomplete('1');
CHECK_EQ(17, ac.entryMap.size());
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "get_suggestions_for_new_statement")
{
check("@1");
auto ac = autocomplete('1');
CHECK_NE(0, ac.entryMap.size());
CHECK(ac.entryMap.count("table"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "get_suggestions_for_the_very_start_of_the_script")
{
check(R"(@1
function aaa() end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("table"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "method_call_inside_function_body")
{
check(R"(
local game = { GetService=function(s) return 'hello' end }
function a()
game: @1
end
)");
auto ac = autocomplete('1');
CHECK_NE(0, ac.entryMap.size());
CHECK(!ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACBuiltinsFixture, "method_call_inside_if_conditional")
{
check(R"(
if table: @1
)");
auto ac = autocomplete('1');
CHECK_NE(0, ac.entryMap.size());
CHECK(ac.entryMap.count("concat"));
CHECK(!ac.entryMap.count("math"));
CHECK_EQ(ac.context, AutocompleteContext::Property);
}
TEST_CASE_FIXTURE(ACFixture, "statement_between_two_statements")
{
check(R"(
function getmyscripts() end
g@1
getmyscripts()
)");
auto ac = autocomplete('1');
CHECK_NE(0, ac.entryMap.size());
CHECK(ac.entryMap.count("getmyscripts"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "bias_toward_inner_scope")
{
check(R"(
local A = {one=1}
function B()
local A = {two=2}
A @1
end
)");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("A"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
TypeId t = follow(*ac.entryMap["A"].type);
const TableType* tt = get<TableType>(t);
REQUIRE(tt);
CHECK(tt->props.count("two"));
}
TEST_CASE_FIXTURE(ACFixture, "recommend_statement_starting_keywords")
{
check("@1");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("local"));
CHECK_EQ(ac.context, AutocompleteContext::Statement);
check("local i = @1");
auto ac2 = autocomplete('1');
CHECK(!ac2.entryMap.count("local"));
CHECK_EQ(ac2.context, AutocompleteContext::Expression);
}
TEST_CASE_FIXTURE(ACFixture, "do_not_overwrite_context_sensitive_kws")
{
check(R"(
local function continue()
end
@1 )");
auto ac = autocomplete('1');
AutocompleteEntry entry = ac.entryMap["continue"];
CHECK(entry.kind == AutocompleteEntryKind::Binding);
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "dont_offer_any_suggestions_from_within_a_comment")
{
check(R"(
--!strict
local foo = {}
function foo:bar() end
--[[
foo:@1
]]
)");
auto ac = autocomplete('1');
CHECK_EQ(0, ac.entryMap.size());
CHECK_EQ(ac.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "dont_offer_any_suggestions_from_the_end_of_a_comment")
{
check(R"(
--!strict@1
)");
auto ac = autocomplete('1');
CHECK_EQ(0, ac.entryMap.size());
CHECK_EQ(ac.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "dont_offer_any_suggestions_from_within_a_broken_comment")
{
check(R"(
--[[ @1
)");
auto ac = autocomplete('1');
CHECK_EQ(0, ac.entryMap.size());
CHECK_EQ(ac.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "dont_offer_any_suggestions_from_within_a_broken_comment_at_the_very_end_of_the_file")
{
check("--[[@1");
auto ac = autocomplete('1');
CHECK_EQ(0, ac.entryMap.size());
CHECK_EQ(ac.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_for_middle_keywords")
{
check(R"(
for x @1=
)");
auto ac1 = autocomplete('1');
CHECK_EQ(ac1.entryMap.count("do"), 0);
CHECK_EQ(ac1.entryMap.count("end"), 0);
CHECK_EQ(ac1.context, AutocompleteContext::Unknown);
check(R"(
for x =@1 1
)");
auto ac2 = autocomplete('1');
CHECK_EQ(ac2.entryMap.count("do"), 0);
CHECK_EQ(ac2.entryMap.count("end"), 0);
CHECK_EQ(ac2.context, AutocompleteContext::Unknown);
check(R"(
for x = 1,@1 2
)");
auto ac3 = autocomplete('1');
CHECK_EQ(1, ac3.entryMap.size());
CHECK_EQ(ac3.entryMap.count("do"), 1);
CHECK_EQ(ac3.context, AutocompleteContext::Keyword);
check(R"(
for x = 1, @12,
)");
auto ac4 = autocomplete('1');
CHECK_EQ(ac4.entryMap.count("do"), 0);
CHECK_EQ(ac4.entryMap.count("end"), 0);
CHECK_EQ(ac4.context, AutocompleteContext::Expression);
check(R"(
for x = 1, 2, @15
)");
auto ac5 = autocomplete('1');
CHECK_EQ(ac5.entryMap.count("math"), 1);
CHECK_EQ(ac5.entryMap.count("do"), 0);
CHECK_EQ(ac5.entryMap.count("end"), 0);
CHECK_EQ(ac5.context, AutocompleteContext::Expression);
check(R"(
for x = 1, 2, 5 f@1
)");
auto ac6 = autocomplete('1');
CHECK_EQ(ac6.entryMap.size(), 1);
CHECK_EQ(ac6.entryMap.count("do"), 1);
CHECK_EQ(ac6.context, AutocompleteContext::Keyword);
check(R"(
for x = 1, 2, 5 do @1
)");
auto ac7 = autocomplete('1');
CHECK_EQ(ac7.entryMap.count("end"), 1);
CHECK_EQ(ac7.context, AutocompleteContext::Statement);
check(R"(local Foo = 1
for x = @11, @22, @35
)");
for (int i = 0; i < 3; ++i)
{
auto ac8 = autocomplete('1' + i);
CHECK_EQ(ac8.entryMap.count("Foo"), 1);
CHECK_EQ(ac8.entryMap.count("do"), 0);
}
check(R"(local Foo = 1
for x = @11, @22
)");
for (int i = 0; i < 2; ++i)
{
auto ac9 = autocomplete('1' + i);
CHECK_EQ(ac9.entryMap.count("Foo"), 1);
CHECK_EQ(ac9.entryMap.count("do"), 0);
}
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_for_in_middle_keywords")
{
check(R"(
for @1
)");
auto ac1 = autocomplete('1');
CHECK_EQ(0, ac1.entryMap.size());
CHECK_EQ(ac1.context, AutocompleteContext::Unknown);
check(R"(
for x@1 @2
)");
auto ac2 = autocomplete('1');
CHECK_EQ(0, ac2.entryMap.size());
CHECK_EQ(ac2.context, AutocompleteContext::Unknown);
auto ac2a = autocomplete('2');
CHECK_EQ(1, ac2a.entryMap.size());
CHECK_EQ(1, ac2a.entryMap.count("in"));
CHECK_EQ(ac2a.context, AutocompleteContext::Keyword);
check(R"(
for x in y@1
)");
auto ac3 = autocomplete('1');
CHECK_EQ(ac3.entryMap.count("table"), 1);
CHECK_EQ(ac3.entryMap.count("do"), 0);
CHECK_EQ(ac3.context, AutocompleteContext::Expression);
check(R"(
for x in y @1
)");
auto ac4 = autocomplete('1');
CHECK_EQ(ac4.entryMap.size(), 1);
CHECK_EQ(ac4.entryMap.count("do"), 1);
CHECK_EQ(ac4.context, AutocompleteContext::Keyword);
check(R"(
for x in f f@1
)");
auto ac5 = autocomplete('1');
CHECK_EQ(ac5.entryMap.size(), 1);
CHECK_EQ(ac5.entryMap.count("do"), 1);
CHECK_EQ(ac5.context, AutocompleteContext::Keyword);
check(R"(
for x in y do @1
)");
auto ac6 = autocomplete('1');
CHECK_EQ(ac6.entryMap.count("in"), 0);
CHECK_EQ(ac6.entryMap.count("table"), 1);
CHECK_EQ(ac6.entryMap.count("end"), 1);
CHECK_EQ(ac6.entryMap.count("function"), 1);
CHECK_EQ(ac6.context, AutocompleteContext::Statement);
check(R"(
for x in y do e@1
)");
auto ac7 = autocomplete('1');
CHECK_EQ(ac7.entryMap.count("in"), 0);
CHECK_EQ(ac7.entryMap.count("table"), 1);
CHECK_EQ(ac7.entryMap.count("end"), 1);
CHECK_EQ(ac7.entryMap.count("function"), 1);
CHECK_EQ(ac7.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_while_middle_keywords")
{
check(R"(
while@1
)");
auto ac1 = autocomplete('1');
CHECK_EQ(ac1.entryMap.count("do"), 0);
CHECK_EQ(ac1.entryMap.count("end"), 0);
CHECK_EQ(ac1.context, AutocompleteContext::Expression);
check(R"(
while true @1
)");
auto ac2 = autocomplete('1');
CHECK_EQ(3, ac2.entryMap.size());
CHECK_EQ(ac2.entryMap.count("do"), 1);
CHECK_EQ(ac2.entryMap.count("and"), 1);
CHECK_EQ(ac2.entryMap.count("or"), 1);
CHECK_EQ(ac2.context, AutocompleteContext::Keyword);
check(R"(
while true do @1
)");
auto ac3 = autocomplete('1');
CHECK_EQ(ac3.entryMap.count("end"), 1);
CHECK_EQ(ac3.context, AutocompleteContext::Statement);
check(R"(
while true d@1
)");
auto ac4 = autocomplete('1');
CHECK_EQ(3, ac4.entryMap.size());
CHECK_EQ(ac4.entryMap.count("do"), 1);
CHECK_EQ(ac4.entryMap.count("and"), 1);
CHECK_EQ(ac4.entryMap.count("or"), 1);
CHECK_EQ(ac4.context, AutocompleteContext::Keyword);
check(R"(
while t@1
)");
auto ac5 = autocomplete('1');
CHECK_EQ(ac5.entryMap.count("do"), 0);
CHECK_EQ(ac5.entryMap.count("true"), 1);
CHECK_EQ(ac5.entryMap.count("false"), 1);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_if_middle_keywords")
{
check(R"(
if @1
)");
auto ac1 = autocomplete('1');
CHECK_EQ(ac1.entryMap.count("then"), 0);
CHECK_EQ(ac1.entryMap.count("function"),
1); // FIXME: This is kind of dumb. It is technically syntactically valid but you can never do anything interesting with this.
CHECK_EQ(ac1.entryMap.count("table"), 1);
CHECK_EQ(ac1.entryMap.count("else"), 0);
CHECK_EQ(ac1.entryMap.count("elseif"), 0);
CHECK_EQ(ac1.entryMap.count("end"), 0);
CHECK_EQ(ac1.context, AutocompleteContext::Expression);
check(R"(
if x @1
)");
auto ac2 = autocomplete('1');
CHECK_EQ(ac2.entryMap.count("then"), 1);
CHECK_EQ(ac2.entryMap.count("function"), 0);
CHECK_EQ(ac2.entryMap.count("else"), 0);
CHECK_EQ(ac2.entryMap.count("elseif"), 0);
CHECK_EQ(ac2.entryMap.count("end"), 0);
CHECK_EQ(ac2.context, AutocompleteContext::Keyword);
check(R"(
if x t@1
)");
auto ac3 = autocomplete('1');
CHECK_EQ(3, ac3.entryMap.size());
CHECK_EQ(ac3.entryMap.count("then"), 1);
CHECK_EQ(ac3.entryMap.count("and"), 1);
CHECK_EQ(ac3.entryMap.count("or"), 1);
CHECK_EQ(ac3.context, AutocompleteContext::Keyword);
check(R"(
if x then
@1
end
)");
auto ac4 = autocomplete('1');
CHECK_EQ(ac4.entryMap.count("then"), 0);
CHECK_EQ(ac4.entryMap.count("else"), 1);
CHECK_EQ(ac4.entryMap.count("function"), 1);
CHECK_EQ(ac4.entryMap.count("elseif"), 1);
CHECK_EQ(ac4.entryMap.count("end"), 0);
CHECK_EQ(ac4.context, AutocompleteContext::Statement);
check(R"(
if x then
t@1
end
)");
auto ac4a = autocomplete('1');
CHECK_EQ(ac4a.entryMap.count("then"), 0);
CHECK_EQ(ac4a.entryMap.count("table"), 1);
CHECK_EQ(ac4a.entryMap.count("else"), 1);
CHECK_EQ(ac4a.entryMap.count("elseif"), 1);
CHECK_EQ(ac4a.context, AutocompleteContext::Statement);
check(R"(
if x then
@1
elseif x then
end
)");
auto ac5 = autocomplete('1');
CHECK_EQ(ac5.entryMap.count("then"), 0);
CHECK_EQ(ac5.entryMap.count("function"), 1);
CHECK_EQ(ac5.entryMap.count("else"), 0);
CHECK_EQ(ac5.entryMap.count("elseif"), 0);
CHECK_EQ(ac5.entryMap.count("end"), 0);
CHECK_EQ(ac5.context, AutocompleteContext::Statement);
check(R"(
if t@1
)");
auto ac6 = autocomplete('1');
CHECK_EQ(ac6.entryMap.count("true"), 1);
CHECK_EQ(ac6.entryMap.count("false"), 1);
CHECK_EQ(ac6.entryMap.count("then"), 0);
CHECK_EQ(ac6.entryMap.count("function"), 1);
CHECK_EQ(ac6.entryMap.count("else"), 0);
CHECK_EQ(ac6.entryMap.count("elseif"), 0);
CHECK_EQ(ac6.entryMap.count("end"), 0);
CHECK_EQ(ac6.context, AutocompleteContext::Expression);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_until_in_repeat")
{
check(R"(
repeat @1
)");
auto ac = autocomplete('1');
CHECK_EQ(ac.entryMap.count("table"), 1);
CHECK_EQ(ac.entryMap.count("until"), 1);
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_until_expression")
{
check(R"(
repeat
until @1
)");
auto ac = autocomplete('1');
CHECK_EQ(ac.entryMap.count("table"), 1);
CHECK_EQ(ac.context, AutocompleteContext::Expression);
}
TEST_CASE_FIXTURE(ACFixture, "local_names")
{
check(R"(
local ab@1
)");
auto ac1 = autocomplete('1');
CHECK_EQ(ac1.entryMap.size(), 1);
CHECK_EQ(ac1.entryMap.count("function"), 1);
CHECK_EQ(ac1.context, AutocompleteContext::Unknown);
check(R"(
local ab, cd@1
)");
auto ac2 = autocomplete('1');
CHECK(ac2.entryMap.empty());
CHECK_EQ(ac2.context, AutocompleteContext::Unknown);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_end_with_fn_exprs")
{
check(R"(
local function f() @1
)");
auto ac = autocomplete('1');
CHECK_EQ(ac.entryMap.count("end"), 1);
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_end_with_lambda")
{
check(R"(
local a = function() local bar = foo en@1
)");
auto ac = autocomplete('1');
CHECK_EQ(ac.entryMap.count("end"), 1);
CHECK_EQ(ac.context, AutocompleteContext::Statement);
}
TEST_CASE_FIXTURE(ACFixture, "autocomplete_end_of_do_block")
{
ScopedFastFlag sff{"LuauAutocompleteDoEnd", true};
check("do @1");
auto ac = autocomplete('1');
CHECK(ac.entryMap.count("end"));
check(R"(
function f()
do
@1
end
@2
)");
ac = autocomplete('1');
CHECK(ac.entryMap.count("end"));