| // Copyright 2020 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/ast/bitcast_expression.h" |
| #include "src/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Ident) { |
| auto p = parser("a"); |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::IdentifierExpression>()); |
| auto* ident = e->As<ast::IdentifierExpression>(); |
| EXPECT_EQ(ident->symbol, p->builder().Symbols().Get("a")); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl) { |
| auto p = parser("vec4<i32>(1, 2, 3, 4))"); |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::CallExpression>()); |
| auto* call = e->As<ast::CallExpression>(); |
| |
| EXPECT_NE(call->target.type, nullptr); |
| |
| ASSERT_EQ(call->args.size(), 4u); |
| const auto& val = call->args; |
| ASSERT_TRUE(val[0]->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(val[0]->As<ast::IntLiteralExpression>()->value, 1); |
| EXPECT_EQ(val[0]->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kNone); |
| |
| ASSERT_TRUE(val[1]->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(val[1]->As<ast::IntLiteralExpression>()->value, 2); |
| EXPECT_EQ(val[1]->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kNone); |
| |
| ASSERT_TRUE(val[2]->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(val[2]->As<ast::IntLiteralExpression>()->value, 3); |
| EXPECT_EQ(val[2]->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kNone); |
| |
| ASSERT_TRUE(val[3]->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(val[3]->As<ast::IntLiteralExpression>()->value, 4); |
| EXPECT_EQ(val[3]->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kNone); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_ZeroConstructor) { |
| auto p = parser("vec4<i32>()"); |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| |
| ASSERT_TRUE(e->Is<ast::CallExpression>()); |
| auto* call = e->As<ast::CallExpression>(); |
| |
| ASSERT_EQ(call->args.size(), 0u); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidTypeDecl) { |
| auto p = parser("vec4<if>(2., 3., 4., 5.)"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:6: invalid type for vector"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_MissingLeftParen) { |
| auto p = parser("vec4<f32> 2., 3., 4., 5.)"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:11: expected '(' for type constructor"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_MissingRightParen) { |
| auto p = parser("vec4<f32>(2., 3., 4., 5."); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:25: expected ')' for type constructor"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_InvalidValue) { |
| auto p = parser("i32(if(a) {})"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:5: expected ')' for type constructor"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_StructConstructor_Empty) { |
| auto p = parser(R"( |
| struct S { a : i32, b : f32, } |
| S() |
| )"); |
| |
| p->global_decl(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| |
| ASSERT_TRUE(e->Is<ast::CallExpression>()); |
| auto* call = e->As<ast::CallExpression>(); |
| |
| ASSERT_NE(call->target.name, nullptr); |
| EXPECT_EQ(call->target.name->symbol, p->builder().Symbols().Get("S")); |
| |
| ASSERT_EQ(call->args.size(), 0u); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_TypeDecl_StructConstructor_NotEmpty) { |
| auto p = parser(R"( |
| struct S { a : i32, b : f32, } |
| S(1u, 2.0) |
| )"); |
| |
| p->global_decl(); |
| ASSERT_FALSE(p->has_error()) << p->error(); |
| |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| |
| ASSERT_TRUE(e->Is<ast::CallExpression>()); |
| auto* call = e->As<ast::CallExpression>(); |
| |
| ASSERT_NE(call->target.name, nullptr); |
| EXPECT_EQ(call->target.name->symbol, p->builder().Symbols().Get("S")); |
| |
| ASSERT_EQ(call->args.size(), 2u); |
| |
| ASSERT_TRUE(call->args[0]->Is<ast::IntLiteralExpression>()); |
| EXPECT_EQ(call->args[0]->As<ast::IntLiteralExpression>()->value, 1u); |
| EXPECT_EQ(call->args[0]->As<ast::IntLiteralExpression>()->suffix, |
| ast::IntLiteralExpression::Suffix::kU); |
| |
| ASSERT_TRUE(call->args[1]->Is<ast::FloatLiteralExpression>()); |
| EXPECT_EQ(call->args[1]->As<ast::FloatLiteralExpression>()->value, 2.f); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ConstLiteral_True) { |
| auto p = parser("true"); |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::BoolLiteralExpression>()); |
| EXPECT_TRUE(e->As<ast::BoolLiteralExpression>()->value); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr) { |
| auto p = parser("(a == b)"); |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::BinaryExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_MissingRightParen) { |
| auto p = parser("(a == b"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:8: expected ')'"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_MissingExpr) { |
| auto p = parser("()"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:2: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_ParenExpr_InvalidExpr) { |
| auto p = parser("(if (a) {})"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:2: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Cast) { |
| auto p = parser("f32(1)"); |
| |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| |
| ASSERT_TRUE(e->Is<ast::CallExpression>()); |
| auto* call = e->As<ast::CallExpression>(); |
| |
| ASSERT_TRUE(call->target.type->Is<ast::F32>()); |
| ASSERT_EQ(call->args.size(), 1u); |
| |
| ASSERT_TRUE(call->args[0]->Is<ast::IntLiteralExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast) { |
| auto p = parser("bitcast<f32>(1)"); |
| |
| auto e = p->primary_expression(); |
| EXPECT_TRUE(e.matched); |
| EXPECT_FALSE(e.errored); |
| EXPECT_FALSE(p->has_error()) << p->error(); |
| ASSERT_NE(e.value, nullptr); |
| ASSERT_TRUE(e->Is<ast::BitcastExpression>()); |
| |
| auto* c = e->As<ast::BitcastExpression>(); |
| ASSERT_TRUE(c->type->Is<ast::F32>()); |
| ASSERT_TRUE(c->expr->Is<ast::IntLiteralExpression>()); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast_MissingGreaterThan) { |
| auto p = parser("bitcast<f32(1)"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:12: expected '>' for bitcast expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast_MissingType) { |
| auto p = parser("bitcast<>(1)"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:9: invalid type for bitcast expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast_MissingLeftParen) { |
| auto p = parser("bitcast<f32>1)"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:13: expected '('"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast_MissingRightParen) { |
| auto p = parser("bitcast<f32>(1"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:15: expected ')'"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_Bitcast_MissingExpression) { |
| auto p = parser("bitcast<f32>()"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:14: unable to parse expression"); |
| } |
| |
| TEST_F(ParserImplTest, PrimaryExpression_bitcast_InvalidExpression) { |
| auto p = parser("bitcast<f32>(if (a) {})"); |
| auto e = p->primary_expression(); |
| EXPECT_FALSE(e.matched); |
| EXPECT_TRUE(e.errored); |
| EXPECT_EQ(e.value, nullptr); |
| ASSERT_TRUE(p->has_error()); |
| EXPECT_EQ(p->error(), "1:14: unable to parse expression"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |