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// Copyright 2024 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
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// contributors may be used to endorse or promote products derived from
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#include <gtest/gtest.h>
#include <sstream>
#include <string_view>
#include "gmock/gmock.h"
#include "langsvr/lsp/lsp.h"
#include "langsvr/lsp/primitives.h"
#include "langsvr/lsp/printer.h"
#include "src/tint/lang/wgsl/ls/helpers_test.h"
namespace tint::wgsl::ls {
namespace {
namespace lsp = langsvr::lsp;
struct Case {
bool include_declaration;
std::string_view markup;
};
std::ostream& operator<<(std::ostream& stream, const Case& c) {
return stream << "wgsl: '" << c.markup << "'";
}
using LsReferencesTest = LsTestWithParam<Case>;
TEST_P(LsReferencesTest, References) {
auto parsed = ParseMarkers(GetParam().markup);
ASSERT_EQ(parsed.positions.size(), 1u);
lsp::TextDocumentReferencesRequest req{};
req.text_document.uri = OpenDocument(parsed.clean);
req.context.include_declaration = GetParam().include_declaration;
req.position = parsed.positions[0];
for (auto& n : diagnostics_) {
for (auto& d : n.diagnostics) {
if (d.severity == lsp::DiagnosticSeverity::kError) {
FAIL() << "Error: " << d.message << "\nWGSL:\n" << parsed.clean;
}
}
}
auto future = client_session_.Send(req);
ASSERT_EQ(future, langsvr::Success);
auto res = future->get();
if (parsed.ranges.empty()) {
ASSERT_TRUE(res.Is<lsp::Null>());
} else {
ASSERT_TRUE(res.Is<std::vector<lsp::Location>>());
std::vector<lsp::Range> got_ranges;
for (auto& location : *res.Get<std::vector<lsp::Location>>()) {
EXPECT_EQ(location.uri, req.text_document.uri);
got_ranges.push_back(location.range);
}
EXPECT_THAT(got_ranges, testing::UnorderedElementsAreArray(parsed.ranges));
}
}
// TODO(crbug.com/tint/2127): Type aliases.
INSTANTIATE_TEST_SUITE_P(IncludeDeclaration,
LsReferencesTest,
::testing::ValuesIn(std::vector<Case>{
{/* include_declaration */ true, R"(
constCONST」= 42;
fn f() { _ =「⧘CONST」; }
const C =「CONST」;
)"}, // =========================================
{/* include_declaration */ true, R"(
var<private>VAR」= 42;
fn f() { _ =「VAR」; }
fn g() { _ = VAR」; }
)"}, // =========================================
{/* include_declaration */ true, R"(
overrideOVERRIDE」= 42;
fn f() { _ =「OVERRIDE」+「OVERRIDE」; }
)"}, // =========================================
{/* include_declaration */ true, R"(
structSTRUCT」{ i : i32 }
fn f(s :「⧘STRUCT」) { var v : STRUCT」; }
)"}, // =========================================
{/* include_declaration */ true, R"(
struct S {「i」: i32 }
fn f(s : S) { _ = s.「⧘i」; }
fn g(s : S) { _ = s.「i」; }
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f(「p」: i32) { _ =「⧘p」* p」; }
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
consti」= 42;
_ =「⧘i」*「i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
leti」= 42;
_ =「⧘i」+「i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
vari」= 42;
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
var i = 42;
{
vari」= 42;
i」=「⧘i」;
}
}
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
vari」= 42;
{
var i = 42;
}
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
const i = 42;
fn f() {
vari」= 42;
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
const i = 42;
fn f(「i」: i32) {
_ =「⧘i」*「i」;
}
)"}, // =========================================
{/* include_declaration */ true, R"(
fna」() {}
fn b() { 「⧘a」(); }
fn c() { a」(); }
)"}, // =========================================
{/* include_declaration */ true, R"(
fn b() { a⧘」(); }
fna」() {}
fn c() { a」(); }
)"}, // =========================================
{/* include_declaration */ true, R"(
fn f() {
leti」= 42;
_ = (max(「i⧘」, i」) * i」);
}
)"}, // =========================================
{/* include_declaration */ true, R"(
const C = max(1, 2);
)"}, // =========================================
{/* include_declaration */ true, R"(
const C : i32 = 42;
)"},
}));
INSTANTIATE_TEST_SUITE_P(ExcludeDeclaration,
LsReferencesTest,
::testing::ValuesIn(std::vector<Case>{
{/* include_declaration */ false, R"(
const CONST = 42;
fn f() { _ =「⧘CONST」; }
const C =「CONST」;
)"}, // =========================================
{/* include_declaration */ false, R"(
var<private> VAR = 42;
fn f() { _ =「VAR」; }
fn g() { _ = VAR」; }
)"}, // =========================================
{/* include_declaration */ false, R"(
override OVERRIDE = 42;
fn f() { _ =「OVERRIDE」+「OVERRIDE」; }
)"}, // =========================================
{/* include_declaration */ false, R"(
struct STRUCT { i : i32 }
fn f(s :「⧘STRUCT」) { var v : STRUCT」; }
)"}, // =========================================
{/* include_declaration */ false, R"(
struct S { i : i32 }
fn f(s : S) { _ = s.「⧘i」; }
fn g(s : S) { _ = s.「i」; }
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f( p : i32) { _ =「⧘p」* p」; }
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
const i = 42;
_ =「⧘i」*「i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
let i = 42;
_ =「⧘i」+「i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
var i = 42;
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
var i = 42;
{
var i = 42;
i」=「⧘i」;
}
}
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
var i = 42;
{
var i = 42;
}
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
const i = 42;
fn f() {
var i = 42;
i」=「⧘i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
const i = 42;
fn f( i : i32) {
_ =「⧘i」*「i」;
}
)"}, // =========================================
{/* include_declaration */ false, R"(
fn a() {}
fn b() { 「⧘a」(); }
fn c() { a」(); }
)"}, // =========================================
{/* include_declaration */ false, R"(
fn b() { a⧘」(); }
fn a() {}
fn c() { a」(); }
)"}, // =========================================
{/* include_declaration */ false, R"(
fn f() {
let i = 42;
_ = (max(「i⧘」, i」) * i」);
}
)"}, // =========================================
{/* include_declaration */ false, R"(
const C = max(1, 2);
)"}, // =========================================
{/* include_declaration */ false, R"(
const C : i32 = 42;
)"},
}));
} // namespace
} // namespace tint::wgsl::ls