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Add tests to show correct handling of mixed && and ||. 

This CL adds tests to verify the new parser handles the mixing of && and
|| correctly.

Bug: tint:1599
Change-Id: I1a73d041a00118ed649522ae07fc1489021c4b41
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106461
Kokoro: Kokoro <noreply+kokoro@google.com>
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
This commit is contained in:
dan sinclair 2022-10-19 20:28:34 +00:00 committed by Dawn LUCI CQ
parent 1c94938726
commit fdd2ff1145
1 changed files with 19 additions and 0 deletions
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19
src/tint/reader/wgsl/parser_impl_expression_test.cc
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@ -250,6 +250,25 @@ TEST_F(ParserImplTest, Expression_InvalidRelational) {
EXPECT_EQ(p->error(), "1:6: unable to parse right side of <= expression"); EXPECT_EQ(p->error(), "1:6: unable to parse right side of <= expression");
} }
TEST_F(ParserImplTest, Expression_Associativity) {
auto p = parser("1 < 2 || 2 < 3");
auto e = p->expression();
EXPECT_TRUE(e.matched);
EXPECT_FALSE(e.errored);
EXPECT_FALSE(p->has_error()) << p->error();
ASSERT_NE(e.value, nullptr);
}
TEST_F(ParserImplTest, Expression_InvalidAssociativity) {
auto p = parser("1 < 2 && 2 < 3 || 3 < 4");
auto e = p->expression();
EXPECT_FALSE(e.matched);
EXPECT_TRUE(e.errored);
EXPECT_TRUE(p->has_error());
EXPECT_EQ(e.value, nullptr);
EXPECT_EQ(p->error(), R"(1:7: mixing '&&' and '||' requires parenthesis)");
}
namespace mixing_binary_ops { namespace mixing_binary_ops {
struct BinaryOperatorInfo { struct BinaryOperatorInfo {