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SDP fuzzer: Add functionality for break on assert fails in framework

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This makes fuzzer test cases fail if there's an assert failure in
the helper functions called by the test.

Bug: None
Change-Id: Ic187d72b8d4e016659a68a7bdcaadb78ab2aab05
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/246400
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35804}
This commit is contained in:
Harald Alvestrand 2022-01-26 13:47:47 +00:00 committed by WebRTC LUCI CQ
parent 9d29026216
commit 38c762c0ab
2 changed files with 34 additions and 24 deletions
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1
test/fuzzers/BUILD.gn
View file

@ -416,6 +416,7 @@ if (!build_with_chromium) {
"../../pc:libjingle_peerconnection",
"../../test:test_support",
]
absl_deps = [ "//third_party/abseil-cpp/absl/strings" ]
seed_corpus = "corpora/sdp-corpus"
}
}

57
test/fuzzers/sdp_integration_fuzzer.cc
View file

@ -11,6 +11,7 @@
#include <stddef.h>
#include <stdint.h>
#include "absl/strings/string_view.h"
#include "pc/test/integration_test_helpers.h"
namespace webrtc {
@ -20,6 +21,36 @@ class FuzzerTest : public PeerConnectionIntegrationBaseTest {
FuzzerTest()
: PeerConnectionIntegrationBaseTest(SdpSemantics::kUnifiedPlan) {}
void RunNegotiateCycle(absl::string_view message) {
CreatePeerConnectionWrappers();
// Note - we do not do test.ConnectFakeSignaling(); all signals
// generated are discarded.
auto srd_observer =
rtc::make_ref_counted<MockSetSessionDescriptionObserver>();
SdpParseError error;
std::unique_ptr<SessionDescriptionInterface> sdp(
CreateSessionDescription("offer", std::string(message), &error));
// Note: This form of SRD takes ownership of the description.
caller()->pc()->SetRemoteDescription(srd_observer, sdp.release());
// Wait a short time for observer to be called. Timeout is short
// because the fuzzer should be trying many branches.
EXPECT_TRUE_WAIT(srd_observer->called(), 100);
// If set-remote-description was successful, try to answer.
auto sld_observer =
rtc::make_ref_counted<MockSetSessionDescriptionObserver>();
if (srd_observer->result()) {
caller()->pc()->SetLocalDescription(sld_observer.get());
EXPECT_TRUE_WAIT(sld_observer->called(), 100);
}
// If there is an EXPECT failure, die here.
RTC_CHECK(!HasFailure());
}
// This test isn't using the test definition macros, so we have to
// define the TestBody() function, even though we don't need it.
void TestBody() override {}
};
@ -27,32 +58,10 @@ void FuzzOneInput(const uint8_t* data, size_t size) {
if (size > 16384) {
return;
}
std::string message(reinterpret_cast<const char*>(data), size);
FuzzerTest test;
test.CreatePeerConnectionWrappers();
// Note - we do not do test.ConnectFakeSignaling(); all signals
// generated are discarded.
auto srd_observer =
rtc::make_ref_counted<MockSetSessionDescriptionObserver>();
webrtc::SdpParseError error;
std::unique_ptr<webrtc::SessionDescriptionInterface> sdp(
CreateSessionDescription("offer", message, &error));
// Note: This form of SRD takes ownership of the description.
test.caller()->pc()->SetRemoteDescription(srd_observer, sdp.release());
// Wait a short time for observer to be called. Timeout is short
// because the fuzzer should be trying many branches.
EXPECT_TRUE_WAIT(srd_observer->called(), 100);
// If set-remote-description was successful, try to answer.
auto sld_observer =
rtc::make_ref_counted<MockSetSessionDescriptionObserver>();
if (srd_observer->result()) {
test.caller()->pc()->SetLocalDescription(sld_observer.get());
EXPECT_TRUE_WAIT(sld_observer->called(), 100);
}
test.RunNegotiateCycle(
absl::string_view(reinterpret_cast<const char*>(data), size));
}
} // namespace webrtc