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d29d3d5740
Bug: tint:1437 Change-Id: Ie00ccb3e93d207111e55117dfc989f79b76164bf Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80844 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
115 lines
3.7 KiB
C++
115 lines
3.7 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 "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, VariableDecl_Parses) {
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auto p = parser("var my_var : f32");
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auto v = p->variable_decl();
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EXPECT_FALSE(p->has_error());
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EXPECT_TRUE(v.matched);
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EXPECT_FALSE(v.errored);
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EXPECT_EQ(v->name, "my_var");
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EXPECT_NE(v->type, nullptr);
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EXPECT_TRUE(v->type->Is<ast::F32>());
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EXPECT_EQ(v->source.range, (Source::Range{{1u, 5u}, {1u, 11u}}));
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EXPECT_EQ(v->type->source.range, (Source::Range{{1u, 14u}, {1u, 17u}}));
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}
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TEST_F(ParserImplTest, VariableDecl_Unicode_Parses) {
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const std::string ident = // "𝖎𝖉𝖊𝖓𝖙𝖎𝖋𝖎𝖊𝖗123"
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"\xf0\x9d\x96\x8e\xf0\x9d\x96\x89\xf0\x9d\x96\x8a\xf0\x9d\x96\x93"
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"\xf0\x9d\x96\x99\xf0\x9d\x96\x8e\xf0\x9d\x96\x8b\xf0\x9d\x96\x8e"
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"\xf0\x9d\x96\x8a\xf0\x9d\x96\x97\x31\x32\x33";
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auto p = parser("var " + ident + " : f32");
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auto v = p->variable_decl();
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EXPECT_FALSE(p->has_error());
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EXPECT_TRUE(v.matched);
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EXPECT_FALSE(v.errored);
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EXPECT_EQ(v->name, ident);
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EXPECT_NE(v->type, nullptr);
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EXPECT_TRUE(v->type->Is<ast::F32>());
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EXPECT_EQ(v->source.range, (Source::Range{{1u, 5u}, {1u, 48u}}));
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EXPECT_EQ(v->type->source.range, (Source::Range{{1u, 51u}, {1u, 54u}}));
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}
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TEST_F(ParserImplTest, VariableDecl_Inferred_Parses) {
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auto p = parser("var my_var = 1.0");
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auto v = p->variable_decl(/*allow_inferred = */ true);
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EXPECT_FALSE(p->has_error());
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EXPECT_TRUE(v.matched);
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EXPECT_FALSE(v.errored);
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EXPECT_EQ(v->name, "my_var");
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EXPECT_EQ(v->type, nullptr);
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EXPECT_EQ(v->source.range, (Source::Range{{1u, 5u}, {1u, 11u}}));
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}
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TEST_F(ParserImplTest, VariableDecl_MissingVar) {
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auto p = parser("my_var : f32");
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auto v = p->variable_decl();
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EXPECT_FALSE(v.matched);
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EXPECT_FALSE(v.errored);
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EXPECT_FALSE(p->has_error());
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auto t = p->next();
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ASSERT_TRUE(t.IsIdentifier());
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}
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TEST_F(ParserImplTest, VariableDecl_InvalidIdentDecl) {
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auto p = parser("var my_var f32");
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auto v = p->variable_decl();
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EXPECT_FALSE(v.matched);
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EXPECT_TRUE(v.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:12: expected ':' for variable declaration");
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}
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TEST_F(ParserImplTest, VariableDecl_WithStorageClass) {
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auto p = parser("var<private> my_var : f32");
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auto v = p->variable_decl();
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EXPECT_TRUE(v.matched);
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EXPECT_FALSE(v.errored);
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EXPECT_FALSE(p->has_error());
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EXPECT_EQ(v->name, "my_var");
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EXPECT_TRUE(v->type->Is<ast::F32>());
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EXPECT_EQ(v->storage_class, ast::StorageClass::kPrivate);
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EXPECT_EQ(v->source.range.begin.line, 1u);
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EXPECT_EQ(v->source.range.begin.column, 14u);
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EXPECT_EQ(v->source.range.end.line, 1u);
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EXPECT_EQ(v->source.range.end.column, 20u);
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}
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TEST_F(ParserImplTest, VariableDecl_InvalidStorageClass) {
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auto p = parser("var<unknown> my_var : f32");
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auto v = p->variable_decl();
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EXPECT_FALSE(v.matched);
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EXPECT_TRUE(v.errored);
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "1:5: invalid storage class for variable declaration");
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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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