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// Copyright 2024 The Dawn & Tint Authors
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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;
std::vector<lsp::SignatureInformation> MaxSignatures() {
std::vector<lsp::SignatureInformation> out;
{
std::vector<lsp::ParameterInformation> parameters;
parameters.push_back(lsp::ParameterInformation{
/* label */ lsp::String("param-0"),
/* documentation */ {},
});
parameters.push_back(lsp::ParameterInformation{
/* label */ lsp::String("param-1"),
/* documentation */ {},
});
lsp::SignatureInformation sig{};
sig.label = R"('max(T, T) -> T' where:
'T' is 'abstract-float', 'abstract-int', 'f32', 'i32', 'u32' or 'f16')";
sig.parameters = std::move(parameters);
out.push_back(std::move(sig));
}
{
std::vector<lsp::ParameterInformation> parameters;
parameters.push_back(lsp::ParameterInformation{
/* label */ lsp::String("param-0"),
/* documentation */ {},
});
parameters.push_back(lsp::ParameterInformation{
/* label */ lsp::String("param-1"),
/* documentation */ {},
});
lsp::SignatureInformation sig{};
sig.label = R"('max(vecN<T>, vecN<T>) -> vecN<T>' where:
'T' is 'abstract-float', 'abstract-int', 'f32', 'i32', 'u32' or 'f16')";
sig.parameters = std::move(parameters);
out.push_back(std::move(sig));
}
return out;
}
struct Case {
std::string_view markup;
std::vector<lsp::SignatureInformation> signatures;
lsp::Uinteger active_signature = 0;
lsp::Uinteger active_parameter = 0;
};
std::ostream& operator<<(std::ostream& stream, const Case& c) {
return stream << "wgsl: '" << c.markup << "'";
}
using LsSignatureHelpTest = LsTestWithParam<Case>;
TEST_P(LsSignatureHelpTest, SignatureHelp) {
auto parsed = ParseMarkers(GetParam().markup);
ASSERT_EQ(parsed.ranges.size(), 0u);
ASSERT_EQ(parsed.positions.size(), 1u);
lsp::TextDocumentSignatureHelpRequest req{};
req.text_document.uri = OpenDocument(parsed.clean);
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 (GetParam().signatures.empty()) {
ASSERT_TRUE(res.Is<lsp::Null>());
} else {
ASSERT_TRUE(res.Is<lsp::SignatureHelp>());
auto& got = *res.Get<lsp::SignatureHelp>();
EXPECT_EQ(got.signatures, GetParam().signatures);
EXPECT_EQ(got.active_signature, GetParam().active_signature);
EXPECT_EQ(got.active_parameter, GetParam().active_parameter);
}
}
INSTANTIATE_TEST_SUITE_P(,
LsSignatureHelpTest,
::testing::ValuesIn(std::vector<Case>{
{
R"(
const C = max(⧘1, 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C : i32 = max(⧘1, 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(⧘1, 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(1⧘, 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(1,⧘ 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max(1, 2⧘);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max(⧘ vec2(1), vec2(2));
)",
MaxSignatures(),
/* active_signature */ 1,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(⧘ vec3(1), vec3(2));
)",
MaxSignatures(),
/* active_signature */ 1,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(vec4(1) ⧘, vec4(2));
)",
MaxSignatures(),
/* active_signature */ 1,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(vec2(1),⧘ vec2(2));
)",
MaxSignatures(),
/* active_signature */ 1,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max(vec3(1), vec3(2) ⧘);
)",
MaxSignatures(),
/* active_signature */ 1,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = min(max(1, 2), max(3, 4));
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
fn f() {
let x = max(1, 2);
}
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max( (1 + (2⧘) * 3), 4);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(1, (2 + (3⧘) * 4));
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max( array(1,2,3)[1⧘], 2);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 0,
}, // =========================================
{
R"(
const C = max(1, array(1,2,3)[⧘2]);
)",
MaxSignatures(),
/* active_signature */ 0,
/* active_parameter */ 1,
}, // =========================================
{
R"(
const C = max(1, 2) ⧘;
)",
{},
},
}));
} // namespace
} // namespace tint::wgsl::ls