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// Copyright 2023 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/reader/wgsl/parser_impl_test_helper.h"
#include "src/tint/ast/diagnostic_control.h"
namespace tint::reader::wgsl {
namespace {
using SeverityPair = std::pair<std::string, ast::DiagnosticSeverity>;
class DiagnosticControlParserTest : public ParserImplTestWithParam<SeverityPair> {};
TEST_P(DiagnosticControlParserTest, DiagnosticControl_Valid) {
auto& params = GetParam();
auto p = parser("(" + params.first + ", foo)");
auto e = p->expect_diagnostic_control();
EXPECT_FALSE(e.errored);
EXPECT_FALSE(p->has_error()) << p->error();
EXPECT_EQ(e->severity, params.second);
auto* r = e->rule_name;
ASSERT_NE(r, nullptr);
EXPECT_EQ(p->builder().Symbols().NameFor(r->symbol), "foo");
}
INSTANTIATE_TEST_SUITE_P(DiagnosticControlParserTest,
DiagnosticControlParserTest,
testing::Values(SeverityPair{"error", ast::DiagnosticSeverity::kError},
SeverityPair{"warning", ast::DiagnosticSeverity::kWarning},
SeverityPair{"info", ast::DiagnosticSeverity::kInfo},
SeverityPair{"off", ast::DiagnosticSeverity::kOff}));
TEST_F(ParserImplTest, DiagnosticControl_Valid_TrailingComma) {
auto p = parser("(error, foo,)");
auto e = p->expect_diagnostic_control();
EXPECT_FALSE(e.errored);
EXPECT_FALSE(p->has_error()) << p->error();
EXPECT_EQ(e->severity, ast::DiagnosticSeverity::kError);
auto* r = e->rule_name;
ASSERT_NE(r, nullptr);
EXPECT_EQ(p->builder().Symbols().NameFor(r->symbol), "foo");
}
TEST_F(ParserImplTest, DiagnosticControl_MissingOpenParen) {
auto p = parser("off, foo)");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:1: expected '(' for diagnostic control)");
}
TEST_F(ParserImplTest, DiagnosticControl_MissingCloseParen) {
auto p = parser("(off, foo");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:10: expected ')' for diagnostic control)");
}
TEST_F(ParserImplTest, DiagnosticControl_MissingDiagnosticSeverity) {
auto p = parser("(, foo");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:2: expected severity control
Possible values: 'error', 'info', 'off', 'warning')");
}
TEST_F(ParserImplTest, DiagnosticControl_InvalidDiagnosticSeverity) {
auto p = parser("(fatal, foo)");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:2: expected severity control
Possible values: 'error', 'info', 'off', 'warning')");
}
TEST_F(ParserImplTest, DiagnosticControl_MissingComma) {
auto p = parser("(off foo");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:6: expected ',' for diagnostic control)");
}
TEST_F(ParserImplTest, DiagnosticControl_MissingRuleName) {
auto p = parser("(off,)");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:6: expected identifier for diagnostic control)");
}
TEST_F(ParserImplTest, DiagnosticControl_InvalidRuleName) {
auto p = parser("(off, foo$bar)");
auto e = p->expect_diagnostic_control();
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), R"(1:10: invalid character found)");
}
} // namespace
} // namespace tint::reader::wgsl