From 28674d7c505e3737b04e4dfb239e58d01b450637 Mon Sep 17 00:00:00 2001
From: Alastair Donaldson <afdx@google.com>
Date: Wed, 6 Apr 2022 15:59:44 +0000
Subject: [PATCH] AST fuzzer: reduce depth for unary wrapping

Reduces the extent to which programs with unparsable expressions are
generated by limiting the recursion depth allowed for wrapping unary
operators. Also updates some nested namespaces to use more modern C++.

Change-Id: I4637c20c9c72c6b315c04c9322d069f0e35859b3
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/85580
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Alastair Donaldson <afdx@google.com>
Auto-Submit: Alastair Donaldson <afdx@google.com>
---
 .../tint_ast_fuzzer/mutation_finders/wrap_unary_operators.cc    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tint/fuzzers/tint_ast_fuzzer/mutation_finders/wrap_unary_operators.cc b/src/tint/fuzzers/tint_ast_fuzzer/mutation_finders/wrap_unary_operators.cc
index e12f44a7fa..52cbc45f67 100644
--- a/src/tint/fuzzers/tint_ast_fuzzer/mutation_finders/wrap_unary_operators.cc
+++ b/src/tint/fuzzers/tint_ast_fuzzer/mutation_finders/wrap_unary_operators.cc
@@ -28,7 +28,7 @@ namespace fuzzers {
 namespace ast_fuzzer {
 
 namespace {
-const size_t kMaxExpressionSize = 100;
+const size_t kMaxExpressionSize = 50;
 }  // namespace
 
 MutationList MutationFinderWrapUnaryOperators::FindMutations(