mirror of
https://github.com/encounter/dawn-cmake.git
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d6ae990811
Change-Id: I6ab98ed8b198f1b3b42ce1f09a6c4f992d65fe95 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/34316 Reviewed-by: dan sinclair <dsinclair@chromium.org>
285 lines
8.2 KiB
C++
285 lines
8.2 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/binary_expression.h"
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#include "src/ast/discard_statement.h"
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#include "src/ast/return_statement.h"
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#include "src/ast/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, Statement) {
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auto p = parser("return;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::ReturnStatement>());
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}
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TEST_F(ParserImplTest, Statement_Semicolon) {
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auto p = parser(";");
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p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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}
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TEST_F(ParserImplTest, Statement_Return_NoValue) {
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auto p = parser("return;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::ReturnStatement>());
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auto* ret = e->As<ast::ReturnStatement>();
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ASSERT_EQ(ret->value(), nullptr);
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}
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TEST_F(ParserImplTest, Statement_Return_Value) {
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auto p = parser("return a + b * (.1 - .2);");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::ReturnStatement>());
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auto* ret = e->As<ast::ReturnStatement>();
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ASSERT_NE(ret->value(), nullptr);
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EXPECT_TRUE(ret->value()->Is<ast::BinaryExpression>());
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}
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TEST_F(ParserImplTest, Statement_Return_MissingSemi) {
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auto p = parser("return");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:7: expected ';' for return statement");
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}
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TEST_F(ParserImplTest, Statement_Return_Invalid) {
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auto p = parser("return if(a) {};");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:8: expected ';' for return statement");
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}
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TEST_F(ParserImplTest, Statement_If) {
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auto p = parser("if (a) {}");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::IfStatement>());
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}
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TEST_F(ParserImplTest, Statement_If_Invalid) {
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auto p = parser("if (a) { fn main() -> {}}");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:10: expected '}'");
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}
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TEST_F(ParserImplTest, Statement_Variable) {
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auto p = parser("var a : i32 = 1;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::VariableDeclStatement>());
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}
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TEST_F(ParserImplTest, Statement_Variable_Invalid) {
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auto p = parser("var a : i32 =;");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:14: missing constructor for variable declaration");
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}
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TEST_F(ParserImplTest, Statement_Variable_MissingSemicolon) {
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auto p = parser("var a : i32");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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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, Statement_Switch) {
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auto p = parser("switch (a) {}");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::SwitchStatement>());
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}
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TEST_F(ParserImplTest, Statement_Switch_Invalid) {
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auto p = parser("switch (a) { case: {}}");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:18: unable to parse case selectors");
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}
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TEST_F(ParserImplTest, Statement_Loop) {
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auto p = parser("loop {}");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::LoopStatement>());
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}
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TEST_F(ParserImplTest, Statement_Loop_Invalid) {
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auto p = parser("loop discard; }");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:6: expected '{' for loop");
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}
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TEST_F(ParserImplTest, Statement_Assignment) {
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auto p = parser("a = b;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::AssignmentStatement>());
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}
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TEST_F(ParserImplTest, Statement_Assignment_Invalid) {
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auto p = parser("a = if(b) {};");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:5: unable to parse right side of assignment");
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}
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TEST_F(ParserImplTest, Statement_Assignment_MissingSemicolon) {
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auto p = parser("a = b");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:6: expected ';' for assignment statement");
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}
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TEST_F(ParserImplTest, Statement_Break) {
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auto p = parser("break;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::BreakStatement>());
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}
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TEST_F(ParserImplTest, Statement_Break_MissingSemicolon) {
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auto p = parser("break");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:6: expected ';' for break statement");
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}
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TEST_F(ParserImplTest, Statement_Continue) {
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auto p = parser("continue;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::ContinueStatement>());
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}
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TEST_F(ParserImplTest, Statement_Continue_MissingSemicolon) {
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auto p = parser("continue");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:9: expected ';' for continue statement");
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}
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TEST_F(ParserImplTest, Statement_Discard) {
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auto p = parser("discard;");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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ASSERT_NE(e.value, nullptr);
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::DiscardStatement>());
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}
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TEST_F(ParserImplTest, Statement_Discard_MissingSemicolon) {
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auto p = parser("discard");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_EQ(e.value, nullptr);
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(p->error(), "1:8: expected ';' for discard statement");
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}
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TEST_F(ParserImplTest, Statement_Body) {
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auto p = parser("{ var i: i32; }");
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auto e = p->statement();
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ASSERT_FALSE(p->has_error()) << p->error();
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EXPECT_TRUE(e.matched);
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EXPECT_FALSE(e.errored);
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ASSERT_TRUE(e->Is<ast::BlockStatement>());
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EXPECT_TRUE(
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e->As<ast::BlockStatement>()->get(0)->Is<ast::VariableDeclStatement>());
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}
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TEST_F(ParserImplTest, Statement_Body_Invalid) {
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auto p = parser("{ fn main() -> {}}");
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auto e = p->statement();
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EXPECT_TRUE(p->has_error());
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EXPECT_TRUE(e.errored);
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EXPECT_FALSE(e.matched);
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EXPECT_EQ(e.value, nullptr);
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EXPECT_EQ(p->error(), "1:3: expected '}'");
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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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