mirror of
https://github.com/encounter/dawn-cmake.git
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0358d1bc1b
Keeps error message consistent. Reduces code. Bug: tint:282 Change-Id: Ie5059599ed538bc589d594d7f16aa3db6774110b Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31727 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: dan sinclair <dsinclair@chromium.org>
112 lines
3.3 KiB
C++
112 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/else_statement.h"
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#include "src/ast/if_statement.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, IfStmt) {
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auto* p = parser("if (a == 4) { a = b; c = d; }");
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auto e = p->if_stmt();
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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->IsIf());
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ASSERT_NE(e->condition(), nullptr);
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ASSERT_TRUE(e->condition()->IsBinary());
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EXPECT_EQ(e->body()->size(), 2u);
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EXPECT_EQ(e->else_statements().size(), 0u);
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}
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TEST_F(ParserImplTest, IfStmt_WithElse) {
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auto* p =
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parser("if (a == 4) { a = b; c = d; } elseif(c) { d = 2; } else {}");
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auto e = p->if_stmt();
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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->IsIf());
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ASSERT_NE(e->condition(), nullptr);
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ASSERT_TRUE(e->condition()->IsBinary());
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EXPECT_EQ(e->body()->size(), 2u);
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ASSERT_EQ(e->else_statements().size(), 2u);
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ASSERT_NE(e->else_statements()[0]->condition(), nullptr);
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ASSERT_TRUE(e->else_statements()[0]->condition()->IsIdentifier());
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EXPECT_EQ(e->else_statements()[0]->body()->size(), 1u);
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ASSERT_EQ(e->else_statements()[1]->condition(), nullptr);
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EXPECT_EQ(e->else_statements()[1]->body()->size(), 0u);
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}
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TEST_F(ParserImplTest, IfStmt_InvalidCondition) {
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auto* p = parser("if (a = 3) {}");
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auto e = p->if_stmt();
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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(), "1:7: expected ')'");
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}
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TEST_F(ParserImplTest, IfStmt_MissingCondition) {
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auto* p = parser("if {}");
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auto e = p->if_stmt();
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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(), "1:4: expected '('");
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}
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TEST_F(ParserImplTest, IfStmt_InvalidBody) {
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auto* p = parser("if (a) { fn main() -> void {}}");
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auto e = p->if_stmt();
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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(), "1:10: missing }");
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}
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TEST_F(ParserImplTest, IfStmt_MissingBody) {
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auto* p = parser("if (a)");
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auto e = p->if_stmt();
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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(), "1:7: missing {");
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}
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TEST_F(ParserImplTest, IfStmt_InvalidElseif) {
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auto* p = parser("if (a) {} elseif (a) { fn main() -> a{}}");
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auto e = p->if_stmt();
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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(), "1:24: missing }");
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}
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TEST_F(ParserImplTest, IfStmt_InvalidElse) {
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auto* p = parser("if (a) {} else { fn main() -> a{}}");
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auto e = p->if_stmt();
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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(), "1:18: missing }");
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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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