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https://github.com/encounter/dawn-cmake.git
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46e959da39
The intrinsic methods were removed from the WGSL grammar and are treated as builtin functions. This Cl updates Tint to match. Bug: tint:41 Change-Id: I3f9ff6c17f1ca57ad159d883fd5a966657caeb4f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22301 Reviewed-by: David Neto <dneto@google.com>
104 lines
3.3 KiB
C++
104 lines
3.3 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "gtest/gtest.h"
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#include "src/ast/array_accessor_expression.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/int_literal.h"
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#include "src/ast/scalar_constructor_expression.h"
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#include "src/ast/unary_op_expression.h"
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#include "src/reader/wgsl/parser_impl.h"
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#include "src/reader/wgsl/parser_impl_test_helper.h"
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namespace tint {
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namespace reader {
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namespace wgsl {
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namespace {
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TEST_F(ParserImplTest, UnaryExpression_Postix) {
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auto* p = parser("a[2]");
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auto e = p->unary_expression();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e, nullptr);
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ASSERT_TRUE(e->IsArrayAccessor());
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auto* ary = e->AsArrayAccessor();
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ASSERT_TRUE(ary->array()->IsIdentifier());
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auto* ident = ary->array()->AsIdentifier();
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EXPECT_EQ(ident->name(), "a");
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ASSERT_TRUE(ary->idx_expr()->IsConstructor());
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ASSERT_TRUE(ary->idx_expr()->AsConstructor()->IsScalarConstructor());
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auto* init = ary->idx_expr()->AsConstructor()->AsScalarConstructor();
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ASSERT_TRUE(init->literal()->IsInt());
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ASSERT_EQ(init->literal()->AsInt()->value(), 2);
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}
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TEST_F(ParserImplTest, UnaryExpression_Minus) {
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auto* p = parser("- 1");
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auto e = p->unary_expression();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e, nullptr);
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ASSERT_TRUE(e->IsUnaryOp());
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auto* u = e->AsUnaryOp();
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ASSERT_EQ(u->op(), ast::UnaryOp::kNegation);
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ASSERT_TRUE(u->expr()->IsConstructor());
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ASSERT_TRUE(u->expr()->AsConstructor()->IsScalarConstructor());
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auto* init = u->expr()->AsConstructor()->AsScalarConstructor();
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ASSERT_TRUE(init->literal()->IsInt());
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EXPECT_EQ(init->literal()->AsInt()->value(), 1);
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}
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TEST_F(ParserImplTest, UnaryExpression_Minus_InvalidRHS) {
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auto* p = parser("-if(a) {}");
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auto e = p->unary_expression();
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ASSERT_TRUE(p->has_error());
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ASSERT_EQ(e, nullptr);
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EXPECT_EQ(p->error(), "1:2: unable to parse right side of - expression");
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}
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TEST_F(ParserImplTest, UnaryExpression_Bang) {
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auto* p = parser("!1");
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auto e = p->unary_expression();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e, nullptr);
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ASSERT_TRUE(e->IsUnaryOp());
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auto* u = e->AsUnaryOp();
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ASSERT_EQ(u->op(), ast::UnaryOp::kNot);
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ASSERT_TRUE(u->expr()->IsConstructor());
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ASSERT_TRUE(u->expr()->AsConstructor()->IsScalarConstructor());
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auto* init = u->expr()->AsConstructor()->AsScalarConstructor();
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ASSERT_TRUE(init->literal()->IsInt());
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EXPECT_EQ(init->literal()->AsInt()->value(), 1);
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}
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TEST_F(ParserImplTest, UnaryExpression_Bang_InvalidRHS) {
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auto* p = parser("!if (a) {}");
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auto e = p->unary_expression();
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ASSERT_TRUE(p->has_error());
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ASSERT_EQ(e, nullptr);
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EXPECT_EQ(p->error(), "1:2: unable to parse right side of ! expression");
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}
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} // namespace
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} // namespace wgsl
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} // namespace reader
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} // namespace tint
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