blob: 489463ea771e7925577527c5c0872dd8fd0dcdb6 [file] [log] [blame]
// 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/ast/struct_block_decoration.h"
#include "src/reader/wgsl/parser_impl_test_helper.h"
namespace tint {
namespace reader {
namespace wgsl {
namespace {
TEST_F(ParserImplTest, VariableIdentDecl_Parses) {
auto p = parser("my_var : f32");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_FALSE(p->has_error()) << p->error();
ASSERT_FALSE(decl.errored);
ASSERT_EQ(decl->name, "my_var");
ASSERT_NE(decl->type, nullptr);
ASSERT_TRUE(decl->type->Is<ast::F32>());
EXPECT_EQ(decl->source.range, (Source::Range{{1u, 1u}, {1u, 7u}}));
EXPECT_EQ(decl->type->source.range, (Source::Range{{1u, 10u}, {1u, 13u}}));
}
TEST_F(ParserImplTest, VariableIdentDecl_Inferred_Parses) {
auto p = parser("my_var = 1.0");
auto decl = p->expect_variable_ident_decl("test", /*allow_inferred = */ true);
ASSERT_FALSE(p->has_error()) << p->error();
ASSERT_FALSE(decl.errored);
ASSERT_EQ(decl->name, "my_var");
ASSERT_EQ(decl->type, nullptr);
EXPECT_EQ(decl->source.range, (Source::Range{{1u, 1u}, {1u, 7u}}));
}
TEST_F(ParserImplTest, VariableIdentDecl_MissingIdent) {
auto p = parser(": f32");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:1: expected identifier for test");
}
TEST_F(ParserImplTest, VariableIdentDecl_MissingColon) {
auto p = parser("my_var f32");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:8: expected ':' for test");
}
TEST_F(ParserImplTest, VariableIdentDecl_MissingType) {
auto p = parser("my_var :");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:9: invalid type for test");
}
TEST_F(ParserImplTest, VariableIdentDecl_InvalidIdent) {
auto p = parser("123 : f32");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:1: expected identifier for test");
}
TEST_F(ParserImplTest, VariableIdentDecl_NonAccessDecoFail) {
auto p = parser("my_var : [[stride(1)]] S");
auto* mem = Member("a", ty.i32(), ast::DecorationList{});
ast::StructMemberList members;
members.push_back(mem);
auto* block_deco = create<ast::StructBlockDecoration>();
ast::DecorationList decos;
decos.push_back(block_deco);
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:12: unexpected decorations");
}
TEST_F(ParserImplTest, VariableIdentDecl_DecorationMissingRightBlock) {
auto p = parser("my_var : [[stride(4) S");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:22: expected ']]' for decoration list");
}
TEST_F(ParserImplTest, VariableIdentDecl_DecorationMissingRightParen) {
auto p = parser("my_var : [[stride(4]] S");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:20: expected ')' for stride decoration");
}
TEST_F(ParserImplTest, VariableIdentDecl_DecorationMissingLeftParen) {
auto p = parser("my_var : [[stride 4)]] S");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:19: expected '(' for stride decoration");
}
TEST_F(ParserImplTest, VariableIdentDecl_DecorationEmpty) {
auto p = parser("my_var : [[]] S");
auto decl = p->expect_variable_ident_decl("test");
ASSERT_TRUE(p->has_error());
ASSERT_TRUE(decl.errored);
ASSERT_EQ(p->error(), "1:12: empty decoration list");
}
} // namespace
} // namespace wgsl
} // namespace reader
} // namespace tint