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// Copyright 2020 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/wgsl/reader/parser/helper_test.h"
namespace tint::wgsl::reader {
namespace {
TEST_F(WGSLParserTest, Attribute_Size) {
auto p = parser("size(4)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error()) << p->error();
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberSizeAttribute>());
auto* o = member_attr->As<ast::StructMemberSizeAttribute>();
ASSERT_TRUE(o->expr->Is<ast::IntLiteralExpression>());
EXPECT_EQ(o->expr->As<ast::IntLiteralExpression>()->value, 4u);
}
TEST_F(WGSLParserTest, Attribute_Size_Expression) {
auto p = parser("size(4 + 5)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error()) << p->error();
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberSizeAttribute>());
auto* o = member_attr->As<ast::StructMemberSizeAttribute>();
ASSERT_TRUE(o->expr->Is<ast::BinaryExpression>());
auto* expr = o->expr->As<ast::BinaryExpression>();
EXPECT_EQ(core::BinaryOp::kAdd, expr->op);
auto* v = expr->lhs->As<ast::IntLiteralExpression>();
ASSERT_NE(nullptr, v);
EXPECT_EQ(v->value, 4u);
v = expr->rhs->As<ast::IntLiteralExpression>();
ASSERT_NE(nullptr, v);
EXPECT_EQ(v->value, 5u);
}
TEST_F(WGSLParserTest, Attribute_Size_TrailingComma) {
auto p = parser("size(4,)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error()) << p->error();
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberSizeAttribute>());
auto* o = member_attr->As<ast::StructMemberSizeAttribute>();
ASSERT_TRUE(o->expr->Is<ast::IntLiteralExpression>());
EXPECT_EQ(o->expr->As<ast::IntLiteralExpression>()->value, 4u);
}
TEST_F(WGSLParserTest, Attribute_Size_MissingLeftParen) {
auto p = parser("size 4)");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:6: expected '(' for size attribute");
}
TEST_F(WGSLParserTest, Attribute_Size_MissingRightParen) {
auto p = parser("size(4");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:7: expected ')' for size attribute");
}
TEST_F(WGSLParserTest, Attribute_Size_MissingValue) {
auto p = parser("size()");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:1: size expects 1 argument");
}
TEST_F(WGSLParserTest, Attribute_Size_MissingInvalid) {
auto p = parser("size(if)");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:6: expected expression for size");
}
TEST_F(WGSLParserTest, Attribute_Align) {
auto p = parser("align(4)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error());
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberAlignAttribute>());
auto* o = member_attr->As<ast::StructMemberAlignAttribute>();
ASSERT_TRUE(o->expr->Is<ast::IntLiteralExpression>());
EXPECT_EQ(o->expr->As<ast::IntLiteralExpression>()->value, 4);
EXPECT_EQ(o->expr->As<ast::IntLiteralExpression>()->suffix,
ast::IntLiteralExpression::Suffix::kNone);
}
TEST_F(WGSLParserTest, Attribute_Align_Expression) {
auto p = parser("align(4 + 5)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_FALSE(p->has_error()) << p->error();
ASSERT_NE(attr.value, nullptr);
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberAlignAttribute>());
auto* o = member_attr->As<ast::StructMemberAlignAttribute>();
ASSERT_TRUE(o->expr->Is<ast::BinaryExpression>());
auto* expr = o->expr->As<ast::BinaryExpression>();
EXPECT_EQ(core::BinaryOp::kAdd, expr->op);
auto* v = expr->lhs->As<ast::IntLiteralExpression>();
ASSERT_NE(nullptr, v);
EXPECT_EQ(v->value, 4u);
v = expr->rhs->As<ast::IntLiteralExpression>();
ASSERT_NE(nullptr, v);
EXPECT_EQ(v->value, 5u);
}
TEST_F(WGSLParserTest, Attribute_Align_TrailingComma) {
auto p = parser("align(4,)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error()) << p->error();
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::StructMemberAlignAttribute>());
auto* o = member_attr->As<ast::StructMemberAlignAttribute>();
ASSERT_TRUE(o->expr->Is<ast::IntLiteralExpression>());
auto* expr = o->expr->As<ast::IntLiteralExpression>();
EXPECT_EQ(expr->value, 4);
EXPECT_EQ(expr->suffix, ast::IntLiteralExpression::Suffix::kNone);
}
TEST_F(WGSLParserTest, Attribute_Align_MissingLeftParen) {
auto p = parser("align 4)");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:7: expected '(' for align attribute");
}
TEST_F(WGSLParserTest, Attribute_Align_MissingRightParen) {
auto p = parser("align(4");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:8: expected ')' for align attribute");
}
TEST_F(WGSLParserTest, Attribute_Align_MissingValue) {
auto p = parser("align()");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:1: align expects 1 argument");
}
TEST_F(WGSLParserTest, Attribute_Align_ExpressionInvalid) {
auto p = parser("align(4 + 5 << 6)");
auto attr = p->attribute();
EXPECT_FALSE(attr.matched);
EXPECT_TRUE(attr.errored);
EXPECT_EQ(attr.value, nullptr);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(p->builder().Diagnostics().Str(),
R"(test.wgsl:1:9 error: mixing '+' and '<<' requires parenthesis
align(4 + 5 << 6)
^^^^^^
)");
}
TEST_F(WGSLParserTest, Attribute_BlendSrc) {
auto p = parser("blend_src(1)");
auto attr = p->attribute();
EXPECT_TRUE(attr.matched);
EXPECT_FALSE(attr.errored);
ASSERT_NE(attr.value, nullptr);
ASSERT_FALSE(p->has_error()) << p->error();
auto* member_attr = attr.value->As<ast::Attribute>();
ASSERT_NE(member_attr, nullptr);
ASSERT_TRUE(member_attr->Is<ast::BlendSrcAttribute>());
auto* o = member_attr->As<ast::BlendSrcAttribute>();
ASSERT_TRUE(o->expr->Is<ast::IntLiteralExpression>());
EXPECT_EQ(o->expr->As<ast::IntLiteralExpression>()->value, 1);
}
} // namespace
} // namespace tint::wgsl::reader