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// 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/reader/wgsl/parser_impl_test_helper.h"
namespace tint {
namespace reader {
namespace wgsl {
namespace {
TEST_F(ParserImplTest, Decoration_Size) {
auto p = parser("size(4)");
auto deco = p->decoration();
EXPECT_TRUE(deco.matched);
EXPECT_FALSE(deco.errored);
ASSERT_NE(deco.value, nullptr);
ASSERT_FALSE(p->has_error());
auto* member_deco = deco.value->As<ast::Decoration>();
ASSERT_NE(member_deco, nullptr);
ASSERT_TRUE(member_deco->Is<ast::StructMemberSizeDecoration>());
auto* o = member_deco->As<ast::StructMemberSizeDecoration>();
EXPECT_EQ(o->size, 4u);
}
TEST_F(ParserImplTest, Decoration_Size_MissingLeftParen) {
auto p = parser("size 4)");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:6: expected '(' for size decoration");
}
TEST_F(ParserImplTest, Decoration_Size_MissingRightParen) {
auto p = parser("size(4");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:7: expected ')' for size decoration");
}
TEST_F(ParserImplTest, Decoration_Size_MissingValue) {
auto p = parser("size()");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(),
"1:6: expected signed integer literal for size decoration");
}
TEST_F(ParserImplTest, Decoration_Size_MissingInvalid) {
auto p = parser("size(nan)");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(),
"1:6: expected signed integer literal for size decoration");
}
TEST_F(ParserImplTest, Decoration_Align) {
auto p = parser("align(4)");
auto deco = p->decoration();
EXPECT_TRUE(deco.matched);
EXPECT_FALSE(deco.errored);
ASSERT_NE(deco.value, nullptr);
ASSERT_FALSE(p->has_error());
auto* member_deco = deco.value->As<ast::Decoration>();
ASSERT_NE(member_deco, nullptr);
ASSERT_TRUE(member_deco->Is<ast::StructMemberAlignDecoration>());
auto* o = member_deco->As<ast::StructMemberAlignDecoration>();
EXPECT_EQ(o->align, 4u);
}
TEST_F(ParserImplTest, Decoration_Align_MissingLeftParen) {
auto p = parser("align 4)");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:7: expected '(' for align decoration");
}
TEST_F(ParserImplTest, Decoration_Align_MissingRightParen) {
auto p = parser("align(4");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:8: expected ')' for align decoration");
}
TEST_F(ParserImplTest, Decoration_Align_MissingValue) {
auto p = parser("align()");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(),
"1:7: expected signed integer literal for align decoration");
}
TEST_F(ParserImplTest, Decoration_Align_MissingInvalid) {
auto p = parser("align(nan)");
auto deco = p->decoration();
EXPECT_FALSE(deco.matched);
EXPECT_TRUE(deco.errored);
EXPECT_EQ(deco.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(),
"1:7: expected signed integer literal for align decoration");
}
} // namespace
} // namespace wgsl
} // namespace reader
} // namespace tint