summaryrefslogtreecommitdiffstats
path: root/dom/quota/test/gtest/TestQuotaCommon.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/quota/test/gtest/TestQuotaCommon.cpp')
-rw-r--r--dom/quota/test/gtest/TestQuotaCommon.cpp1465
1 files changed, 1465 insertions, 0 deletions
diff --git a/dom/quota/test/gtest/TestQuotaCommon.cpp b/dom/quota/test/gtest/TestQuotaCommon.cpp
new file mode 100644
index 0000000000..b93d9bf86f
--- /dev/null
+++ b/dom/quota/test/gtest/TestQuotaCommon.cpp
@@ -0,0 +1,1465 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/dom/quota/QuotaCommon.h"
+
+#include "gtest/gtest.h"
+
+#include <algorithm>
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <map>
+#include <new>
+#include <ostream>
+#include <type_traits>
+#include <utility>
+#include <vector>
+#include "ErrorList.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/Result.h"
+#include "mozilla/ResultExtensions.h"
+#include "mozilla/ResultVariant.h"
+#include "mozilla/Unused.h"
+#include "mozilla/fallible.h"
+#include "nsCOMPtr.h"
+#include "nsLiteralString.h"
+#include "nsString.h"
+#include "nsStringFwd.h"
+#include "nsTLiteralString.h"
+
+class nsISupports;
+
+using namespace mozilla;
+using namespace mozilla::dom::quota;
+
+#ifdef __clang__
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wunreachable-code"
+#endif
+
+TEST(QuotaCommon_Try, Success)
+{
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_OK);
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+#ifdef DEBUG
+TEST(QuotaCommon_Try, Success_CustomErr_AssertUnreachable)
+{
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_OK, QM_ASSERT_UNREACHABLE);
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_Try, Success_NoErr_AssertUnreachable)
+{
+ bool tryDidNotReturn = false;
+
+ [&tryDidNotReturn]() -> void {
+ QM_TRY(NS_OK, QM_ASSERT_UNREACHABLE_VOID);
+
+ tryDidNotReturn = true;
+ }();
+
+ EXPECT_TRUE(tryDidNotReturn);
+}
+#else
+# if defined(QM_ASSERT_UNREACHABLE) || defined(QM_ASSERT_UNREACHABLE_VOID)
+#error QM_ASSERT_UNREACHABLE and QM_ASSERT_UNREACHABLE_VOID should not be defined.
+# endif
+#endif
+
+#ifdef MOZ_DIAGNOSTIC_ASSERT_ENABLED
+TEST(QuotaCommon_Try, Success_CustomErr_DiagnosticAssertUnreachable)
+{
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_OK, QM_DIAGNOSTIC_ASSERT_UNREACHABLE);
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_Try, Success_NoErr_DiagnosticAssertUnreachable)
+{
+ bool tryDidNotReturn = false;
+
+ [&tryDidNotReturn]() -> void {
+ QM_TRY(NS_OK, QM_DIAGNOSTIC_ASSERT_UNREACHABLE_VOID);
+
+ tryDidNotReturn = true;
+ }();
+
+ EXPECT_TRUE(tryDidNotReturn);
+}
+#else
+# if defined(QM_DIAGNOSTIC_ASSERT_UNREACHABLE) || \
+ defined(QM_DIAGNOSTIC_ASSERT_UNREACHABLE_VOID)
+#error QM_DIAGNOSTIC_ASSERT_UNREACHABLE and QM_DIAGNOSTIC_ASSERT_UNREACHABLE_VOID should not be defined.
+# endif
+#endif
+
+TEST(QuotaCommon_Try, Success_WithCleanup)
+{
+ bool tryCleanupRan = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryCleanupRan, &tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_OK, QM_PROPAGATE,
+ [&tryCleanupRan](const auto&) { tryCleanupRan = true; });
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryCleanupRan);
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_Try, Failure_PropagateErr)
+{
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_ERROR_FAILURE);
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Try, Failure_CustomErr)
+{
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_ERROR_FAILURE, NS_ERROR_UNEXPECTED);
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_Try, Failure_NoErr)
+{
+ bool tryDidNotReturn = false;
+
+ [&tryDidNotReturn]() -> void {
+ QM_TRY(NS_ERROR_FAILURE, QM_VOID);
+
+ tryDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryDidNotReturn);
+}
+
+TEST(QuotaCommon_Try, Failure_WithCleanup)
+{
+ bool tryCleanupRan = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&tryCleanupRan, &tryDidNotReturn]() -> nsresult {
+ QM_TRY(NS_ERROR_FAILURE, QM_PROPAGATE,
+ [&tryCleanupRan](const auto& result) {
+ EXPECT_EQ(result, NS_ERROR_FAILURE);
+
+ tryCleanupRan = true;
+ });
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryCleanupRan);
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Try, Failure_WithCleanup_UnwrapErr)
+{
+ bool tryCleanupRan = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv;
+
+ [&tryCleanupRan, &tryDidNotReturn](nsresult& aRv) -> void {
+ QM_TRY(NS_ERROR_FAILURE, QM_VOID, ([&tryCleanupRan, &aRv](auto& result) {
+ EXPECT_EQ(result, NS_ERROR_FAILURE);
+
+ aRv = result;
+
+ tryCleanupRan = true;
+ }));
+
+ tryDidNotReturn = true;
+
+ aRv = NS_OK;
+ }(rv);
+
+ EXPECT_TRUE(tryCleanupRan);
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Try, SameLine)
+{
+ // clang-format off
+ QM_TRY(NS_OK, QM_VOID); QM_TRY(NS_OK, QM_VOID);
+ // clang-format on
+}
+
+TEST(QuotaCommon_Try, NestingMadness_Success)
+{
+ bool nestedTryDidNotReturn = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&nestedTryDidNotReturn, &tryDidNotReturn]() -> nsresult {
+ QM_TRY(([&nestedTryDidNotReturn]() -> Result<Ok, nsresult> {
+ QM_TRY(NS_OK);
+
+ nestedTryDidNotReturn = true;
+
+ return Ok();
+ }()));
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTryDidNotReturn);
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_Try, NestingMadness_Failure)
+{
+ bool nestedTryDidNotReturn = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&nestedTryDidNotReturn, &tryDidNotReturn]() -> nsresult {
+ QM_TRY(([&nestedTryDidNotReturn]() -> Result<Ok, nsresult> {
+ QM_TRY(NS_ERROR_FAILURE);
+
+ nestedTryDidNotReturn = true;
+
+ return Ok();
+ }()));
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(nestedTryDidNotReturn);
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Try, NestingMadness_Multiple_Success)
+{
+ bool nestedTry1DidNotReturn = false;
+ bool nestedTry2DidNotReturn = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&nestedTry1DidNotReturn, &nestedTry2DidNotReturn,
+ &tryDidNotReturn]() -> nsresult {
+ QM_TRY(([&nestedTry1DidNotReturn,
+ &nestedTry2DidNotReturn]() -> Result<Ok, nsresult> {
+ QM_TRY(NS_OK);
+
+ nestedTry1DidNotReturn = true;
+
+ QM_TRY(NS_OK);
+
+ nestedTry2DidNotReturn = true;
+
+ return Ok();
+ }()));
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTry1DidNotReturn);
+ EXPECT_TRUE(nestedTry2DidNotReturn);
+ EXPECT_TRUE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_Try, NestingMadness_Multiple_Failure1)
+{
+ bool nestedTry1DidNotReturn = false;
+ bool nestedTry2DidNotReturn = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&nestedTry1DidNotReturn, &nestedTry2DidNotReturn,
+ &tryDidNotReturn]() -> nsresult {
+ QM_TRY(([&nestedTry1DidNotReturn,
+ &nestedTry2DidNotReturn]() -> Result<Ok, nsresult> {
+ QM_TRY(NS_ERROR_FAILURE);
+
+ nestedTry1DidNotReturn = true;
+
+ QM_TRY(NS_OK);
+
+ nestedTry2DidNotReturn = true;
+
+ return Ok();
+ }()));
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(nestedTry1DidNotReturn);
+ EXPECT_FALSE(nestedTry2DidNotReturn);
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Try, NestingMadness_Multiple_Failure2)
+{
+ bool nestedTry1DidNotReturn = false;
+ bool nestedTry2DidNotReturn = false;
+ bool tryDidNotReturn = false;
+
+ nsresult rv = [&nestedTry1DidNotReturn, &nestedTry2DidNotReturn,
+ &tryDidNotReturn]() -> nsresult {
+ QM_TRY(([&nestedTry1DidNotReturn,
+ &nestedTry2DidNotReturn]() -> Result<Ok, nsresult> {
+ QM_TRY(NS_OK);
+
+ nestedTry1DidNotReturn = true;
+
+ QM_TRY(NS_ERROR_FAILURE);
+
+ nestedTry2DidNotReturn = true;
+
+ return Ok();
+ }()));
+
+ tryDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTry1DidNotReturn);
+ EXPECT_FALSE(nestedTry2DidNotReturn);
+ EXPECT_FALSE(tryDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, Success)
+{
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}));
+ EXPECT_EQ(x, 42);
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+#ifdef DEBUG
+TEST(QuotaCommon_TryInspect, Success_CustomErr_AssertUnreachable)
+{
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}),
+ QM_ASSERT_UNREACHABLE);
+ EXPECT_EQ(x, 42);
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_TryInspect, Success_NoErr_AssertUnreachable)
+{
+ bool tryInspectDidNotReturn = false;
+
+ [&tryInspectDidNotReturn]() -> void {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}),
+ QM_ASSERT_UNREACHABLE_VOID);
+ EXPECT_EQ(x, 42);
+
+ tryInspectDidNotReturn = true;
+ }();
+
+ EXPECT_TRUE(tryInspectDidNotReturn);
+}
+#endif
+
+TEST(QuotaCommon_TryInspect, Success_WithCleanup)
+{
+ bool tryInspectCleanupRan = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectCleanupRan, &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& x, (Result<int32_t, nsresult>{42}), QM_PROPAGATE,
+ [&tryInspectCleanupRan](const auto&) { tryInspectCleanupRan = true; });
+ EXPECT_EQ(x, 42);
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryInspectCleanupRan);
+ EXPECT_TRUE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_TryInspect, Failure_PropagateErr)
+{
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, Failure_CustomErr)
+{
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}),
+ NS_ERROR_UNEXPECTED);
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_TryInspect, Failure_NoErr)
+{
+ bool tryInspectDidNotReturn = false;
+
+ [&tryInspectDidNotReturn]() -> void {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}), QM_VOID);
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryInspectDidNotReturn);
+}
+
+TEST(QuotaCommon_TryInspect, Failure_WithCleanup)
+{
+ bool tryInspectCleanupRan = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&tryInspectCleanupRan, &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}),
+ QM_PROPAGATE, [&tryInspectCleanupRan](const auto& result) {
+ EXPECT_EQ(result, NS_ERROR_FAILURE);
+
+ tryInspectCleanupRan = true;
+ });
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(tryInspectCleanupRan);
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, Failure_WithCleanup_UnwrapErr)
+{
+ bool tryInspectCleanupRan = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv;
+
+ [&tryInspectCleanupRan, &tryInspectDidNotReturn](nsresult& aRv) -> void {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}), QM_VOID,
+ ([&tryInspectCleanupRan, &aRv](auto& result) {
+ EXPECT_EQ(result, NS_ERROR_FAILURE);
+
+ aRv = result;
+
+ tryInspectCleanupRan = true;
+ }));
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+
+ aRv = NS_OK;
+ }(rv);
+
+ EXPECT_TRUE(tryInspectCleanupRan);
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, ConstDecl)
+{
+ QM_TRY_INSPECT(const int32_t& x, (Result<int32_t, nsresult>{42}), QM_VOID);
+
+ static_assert(std::is_same_v<decltype(x), const int32_t&>);
+
+ EXPECT_EQ(x, 42);
+}
+
+TEST(QuotaCommon_TryInspect, SameScopeDecl)
+{
+ QM_TRY_INSPECT(const int32_t& x, (Result<int32_t, nsresult>{42}), QM_VOID);
+ EXPECT_EQ(x, 42);
+
+ QM_TRY_INSPECT(const int32_t& y, (Result<int32_t, nsresult>{42}), QM_VOID);
+ EXPECT_EQ(y, 42);
+}
+
+TEST(QuotaCommon_TryInspect, SameLine)
+{
+ // clang-format off
+ QM_TRY_INSPECT(const auto &x, (Result<int32_t, nsresult>{42}), QM_VOID); QM_TRY_INSPECT(const auto &y, (Result<int32_t, nsresult>{42}), QM_VOID);
+ // clang-format on
+
+ EXPECT_EQ(x, 42);
+ EXPECT_EQ(y, 42);
+}
+
+TEST(QuotaCommon_TryInspect, NestingMadness_Success)
+{
+ bool nestedTryInspectDidNotReturn = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&nestedTryInspectDidNotReturn,
+ &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& x,
+ ([&nestedTryInspectDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}));
+
+ nestedTryInspectDidNotReturn = true;
+
+ return x;
+ }()));
+ EXPECT_EQ(x, 42);
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTryInspectDidNotReturn);
+ EXPECT_TRUE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_TryInspect, NestingMadness_Failure)
+{
+ bool nestedTryInspectDidNotReturn = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&nestedTryInspectDidNotReturn,
+ &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& x,
+ ([&nestedTryInspectDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+
+ nestedTryInspectDidNotReturn = true;
+
+ return x;
+ }()));
+ Unused << x;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(nestedTryInspectDidNotReturn);
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, NestingMadness_Multiple_Success)
+{
+ bool nestedTryInspect1DidNotReturn = false;
+ bool nestedTryInspect2DidNotReturn = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&nestedTryInspect1DidNotReturn, &nestedTryInspect2DidNotReturn,
+ &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& z,
+ ([&nestedTryInspect1DidNotReturn,
+ &nestedTryInspect2DidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}));
+
+ nestedTryInspect1DidNotReturn = true;
+
+ QM_TRY_INSPECT(const auto& y, (Result<int32_t, nsresult>{42}));
+
+ nestedTryInspect2DidNotReturn = true;
+
+ return x + y;
+ }()));
+ EXPECT_EQ(z, 84);
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTryInspect1DidNotReturn);
+ EXPECT_TRUE(nestedTryInspect2DidNotReturn);
+ EXPECT_TRUE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_OK);
+}
+
+TEST(QuotaCommon_TryInspect, NestingMadness_Multiple_Failure1)
+{
+ bool nestedTryInspect1DidNotReturn = false;
+ bool nestedTryInspect2DidNotReturn = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&nestedTryInspect1DidNotReturn, &nestedTryInspect2DidNotReturn,
+ &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& z,
+ ([&nestedTryInspect1DidNotReturn,
+ &nestedTryInspect2DidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_INSPECT(const auto& x,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+
+ nestedTryInspect1DidNotReturn = true;
+
+ QM_TRY_INSPECT(const auto& y, (Result<int32_t, nsresult>{42}));
+
+ nestedTryInspect2DidNotReturn = true;
+
+ return x + y;
+ }()));
+ Unused << z;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(nestedTryInspect1DidNotReturn);
+ EXPECT_FALSE(nestedTryInspect2DidNotReturn);
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryInspect, NestingMadness_Multiple_Failure2)
+{
+ bool nestedTryInspect1DidNotReturn = false;
+ bool nestedTryInspect2DidNotReturn = false;
+ bool tryInspectDidNotReturn = false;
+
+ nsresult rv = [&nestedTryInspect1DidNotReturn, &nestedTryInspect2DidNotReturn,
+ &tryInspectDidNotReturn]() -> nsresult {
+ QM_TRY_INSPECT(
+ const auto& z,
+ ([&nestedTryInspect1DidNotReturn,
+ &nestedTryInspect2DidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_INSPECT(const auto& x, (Result<int32_t, nsresult>{42}));
+
+ nestedTryInspect1DidNotReturn = true;
+
+ QM_TRY_INSPECT(const auto& y,
+ (Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+
+ nestedTryInspect2DidNotReturn = true;
+
+ return x + y;
+ }()));
+ Unused << z;
+
+ tryInspectDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(nestedTryInspect1DidNotReturn);
+ EXPECT_FALSE(nestedTryInspect2DidNotReturn);
+ EXPECT_FALSE(tryInspectDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+// We are not repeating all QM_TRY_INSPECT test cases for QM_TRY_UNWRAP, since
+// they are largely based on the same implementation. We just add some where
+// inspecting and unwrapping differ.
+
+TEST(QuotaCommon_TryUnwrap, NonConstDecl)
+{
+ QM_TRY_UNWRAP(int32_t x, (Result<int32_t, nsresult>{42}), QM_VOID);
+
+ static_assert(std::is_same_v<decltype(x), int32_t>);
+
+ EXPECT_EQ(x, 42);
+}
+
+TEST(QuotaCommon_TryUnwrap, RvalueDecl)
+{
+ QM_TRY_UNWRAP(int32_t && x, (Result<int32_t, nsresult>{42}), QM_VOID);
+
+ static_assert(std::is_same_v<decltype(x), int32_t&&>);
+
+ EXPECT_EQ(x, 42);
+}
+
+TEST(QuotaCommon_TryUnwrap, ParenDecl)
+{
+ QM_TRY_UNWRAP(
+ (auto&& [x, y]),
+ (Result<std::pair<int32_t, bool>, nsresult>{std::pair{42, true}}),
+ QM_VOID);
+
+ static_assert(std::is_same_v<decltype(x), int32_t>);
+ static_assert(std::is_same_v<decltype(y), bool>);
+
+ EXPECT_EQ(x, 42);
+ EXPECT_EQ(y, true);
+}
+
+TEST(QuotaCommon_TryReturn, Success)
+{
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnDidNotReturn] {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{42}));
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+#ifdef DEBUG
+TEST(QuotaCommon_TryReturn, Success_CustomErr_AssertUnreachable)
+{
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{42}), QM_ASSERT_UNREACHABLE);
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+#endif
+
+TEST(QuotaCommon_TryReturn, Success_WithCleanup)
+{
+ bool tryReturnCleanupRan = false;
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnCleanupRan,
+ &tryReturnDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_RETURN(
+ (Result<int32_t, nsresult>{42}), QM_PROPAGATE,
+ [&tryReturnCleanupRan](const auto&) { tryReturnCleanupRan = true; });
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryReturnCleanupRan);
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+TEST(QuotaCommon_TryReturn, Failure_PropagateErr)
+{
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnDidNotReturn] {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryReturn, Failure_CustomErr)
+{
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}),
+ Err(NS_ERROR_UNEXPECTED));
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_TryReturn, Failure_WithCleanup)
+{
+ bool tryReturnCleanupRan = false;
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&tryReturnCleanupRan,
+ &tryReturnDidNotReturn]() -> Result<int32_t, nsresult> {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}),
+ QM_PROPAGATE, [&tryReturnCleanupRan](const auto& result) {
+ EXPECT_EQ(result, NS_ERROR_FAILURE);
+
+ tryReturnCleanupRan = true;
+ });
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_TRUE(tryReturnCleanupRan);
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_TryReturn, SameLine)
+{
+ // clang-format off
+ auto res1 = [] { QM_TRY_RETURN((Result<int32_t, nsresult>{42})); }(); auto res2 = []() -> Result<int32_t, nsresult> { QM_TRY_RETURN((Result<int32_t, nsresult>{42})); }();
+ // clang-format on
+
+ EXPECT_TRUE(res1.isOk());
+ EXPECT_EQ(res1.unwrap(), 42);
+ EXPECT_TRUE(res2.isOk());
+ EXPECT_EQ(res2.unwrap(), 42);
+}
+
+TEST(QuotaCommon_TryReturn, NestingMadness_Success)
+{
+ bool nestedTryReturnDidNotReturn = false;
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&nestedTryReturnDidNotReturn, &tryReturnDidNotReturn] {
+ QM_TRY_RETURN(([&nestedTryReturnDidNotReturn] {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{42}));
+
+ nestedTryReturnDidNotReturn = true;
+ }()));
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(nestedTryReturnDidNotReturn);
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+TEST(QuotaCommon_TryReturn, NestingMadness_Failure)
+{
+ bool nestedTryReturnDidNotReturn = false;
+ bool tryReturnDidNotReturn = false;
+
+ auto res = [&nestedTryReturnDidNotReturn, &tryReturnDidNotReturn] {
+ QM_TRY_RETURN(([&nestedTryReturnDidNotReturn] {
+ QM_TRY_RETURN((Result<int32_t, nsresult>{Err(NS_ERROR_FAILURE)}));
+
+ nestedTryReturnDidNotReturn = true;
+ }()));
+
+ tryReturnDidNotReturn = true;
+ }();
+
+ EXPECT_FALSE(nestedTryReturnDidNotReturn);
+ EXPECT_FALSE(tryReturnDidNotReturn);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Fail, ReturnValue)
+{
+ bool failDidNotReturn = false;
+
+ nsresult rv = [&failDidNotReturn]() -> nsresult {
+ QM_FAIL(NS_ERROR_FAILURE);
+
+ failDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_FALSE(failDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_Fail, ReturnValue_WithCleanup)
+{
+ bool failCleanupRan = false;
+ bool failDidNotReturn = false;
+
+ nsresult rv = [&failCleanupRan, &failDidNotReturn]() -> nsresult {
+ QM_FAIL(NS_ERROR_FAILURE, [&failCleanupRan]() { failCleanupRan = true; });
+
+ failDidNotReturn = true;
+
+ return NS_OK;
+ }();
+
+ EXPECT_TRUE(failCleanupRan);
+ EXPECT_FALSE(failDidNotReturn);
+ EXPECT_EQ(rv, NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_OkIf, True)
+{
+ auto res = OkIf(true);
+
+ EXPECT_TRUE(res.isOk());
+}
+
+TEST(QuotaCommon_OkIf, False)
+{
+ auto res = OkIf(false);
+
+ EXPECT_TRUE(res.isErr());
+}
+
+TEST(QuotaCommon_OkToOk, Bool_True)
+{
+ auto res = OkToOk<true>(Ok());
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), true);
+}
+
+TEST(QuotaCommon_OkToOk, Bool_False)
+{
+ auto res = OkToOk<false>(Ok());
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), false);
+}
+
+TEST(QuotaCommon_OkToOk, Int_42)
+{
+ auto res = OkToOk<42>(Ok());
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Bool_True)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, true>(NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), true);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Bool_True_Err)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, true>(NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Bool_False)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, false>(NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), false);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Bool_False_Err)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, false>(NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Int_42)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, 42>(NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, Int_42_Err)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, 42>(NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, NsCOMPtr_nullptr)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, nullptr, nsCOMPtr<nsISupports>>(
+ NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), nullptr);
+}
+
+TEST(QuotaCommon_ErrToOkOrErr, NsCOMPtr_nullptr_Err)
+{
+ auto res = ErrToOkOrErr<NS_ERROR_FAILURE, nullptr, nsCOMPtr<nsISupports>>(
+ NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_ErrToDefaultOkOrErr, Ok)
+{
+ auto res = ErrToDefaultOkOrErr<NS_ERROR_FAILURE, Ok>(NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+}
+
+TEST(QuotaCommon_ErrToDefaultOkOrErr, Ok_Err)
+{
+ auto res = ErrToDefaultOkOrErr<NS_ERROR_FAILURE, Ok>(NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+TEST(QuotaCommon_ErrToDefaultOkOrErr, NsCOMPtr)
+{
+ auto res = ErrToDefaultOkOrErr<NS_ERROR_FAILURE, nsCOMPtr<nsISupports>>(
+ NS_ERROR_FAILURE);
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), nullptr);
+}
+
+TEST(QuotaCommon_ErrToDefaultOkOrErr, NsCOMPtr_Err)
+{
+ auto res = ErrToDefaultOkOrErr<NS_ERROR_FAILURE, nsCOMPtr<nsISupports>>(
+ NS_ERROR_UNEXPECTED);
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_UNEXPECTED);
+}
+
+class StringPairParameterized
+ : public ::testing::TestWithParam<std::pair<const char*, const char*>> {};
+
+TEST_P(StringPairParameterized, AnonymizedOriginString) {
+ const auto [in, expectedAnonymized] = GetParam();
+ const auto anonymized = AnonymizedOriginString(nsDependentCString(in));
+ EXPECT_STREQ(anonymized.get(), expectedAnonymized);
+}
+
+INSTANTIATE_TEST_CASE_P(
+ QuotaCommon, StringPairParameterized,
+ ::testing::Values(
+ // XXX Do we really want to anonymize about: origins?
+ std::pair("about:home", "about:aaaa"),
+ std::pair("https://foo.bar.com", "https://aaa.aaa.aaa"),
+ std::pair("https://foo.bar.com:8000", "https://aaa.aaa.aaa:DDDD"),
+ std::pair("file://UNIVERSAL_FILE_ORIGIN",
+ "file://aaaaaaaaa_aaaa_aaaaaa")));
+
+TEST(QuotaCommon_ToResultGet, Lambda_NoInput)
+{
+ auto res = ToResultGet<int32_t>([](nsresult* aRv) -> int32_t {
+ *aRv = NS_OK;
+ return 42;
+ });
+
+ static_assert(std::is_same_v<decltype(res), Result<int32_t, nsresult>>);
+
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 42);
+}
+
+TEST(QuotaCommon_ToResultGet, Lambda_NoInput_Err)
+{
+ auto res = ToResultGet<int32_t>([](nsresult* aRv) -> int32_t {
+ *aRv = NS_ERROR_FAILURE;
+ return -1;
+ });
+
+ static_assert(std::is_same_v<decltype(res), Result<int32_t, nsresult>>);
+
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_FAILURE);
+}
+
+TEST(QuotaCommon_ToResultGet, Lambda_WithInput)
+{
+ auto res = ToResultGet<int32_t>(
+ [](int32_t aValue, nsresult* aRv) -> int32_t {
+ *aRv = NS_OK;
+ return aValue * 2;
+ },
+ 42);
+
+ static_assert(std::is_same_v<decltype(res), Result<int32_t, nsresult>>);
+
+ EXPECT_TRUE(res.isOk());
+ EXPECT_EQ(res.unwrap(), 84);
+}
+
+TEST(QuotaCommon_ToResultGet, Lambda_WithInput_Err)
+{
+ auto res = ToResultGet<int32_t>(
+ [](int32_t aValue, nsresult* aRv) -> int32_t {
+ *aRv = NS_ERROR_FAILURE;
+ return -1;
+ },
+ 42);
+
+ static_assert(std::is_same_v<decltype(res), Result<int32_t, nsresult>>);
+
+ EXPECT_TRUE(res.isErr());
+ EXPECT_EQ(res.unwrapErr(), NS_ERROR_FAILURE);
+}
+
+// BEGIN COPY FROM mfbt/tests/TestResult.cpp
+struct Failed {};
+
+static GenericErrorResult<Failed> Fail() { return Err(Failed()); }
+
+static Result<Ok, Failed> Task1(bool pass) {
+ if (!pass) {
+ return Fail(); // implicit conversion from GenericErrorResult to Result
+ }
+ return Ok();
+}
+// END COPY FROM mfbt/tests/TestResult.cpp
+
+static Result<bool, Failed> Condition(bool aNoError, bool aResult) {
+ return Task1(aNoError).map([aResult](auto) { return aResult; });
+}
+
+TEST(QuotaCommon_CollectWhileTest, NoFailures)
+{
+ const size_t loopCount = 5;
+ size_t conditionExecutions = 0;
+ size_t bodyExecutions = 0;
+ auto result = CollectWhile(
+ [&conditionExecutions] {
+ ++conditionExecutions;
+ return Condition(true, conditionExecutions <= loopCount);
+ },
+ [&bodyExecutions] {
+ ++bodyExecutions;
+ return Task1(true);
+ });
+ static_assert(std::is_same_v<decltype(result), Result<Ok, Failed>>);
+ MOZ_RELEASE_ASSERT(result.isOk());
+ MOZ_RELEASE_ASSERT(loopCount == bodyExecutions);
+ MOZ_RELEASE_ASSERT(1 + loopCount == conditionExecutions);
+}
+
+TEST(QuotaCommon_CollectWhileTest, BodyFailsImmediately)
+{
+ size_t conditionExecutions = 0;
+ size_t bodyExecutions = 0;
+ auto result = CollectWhile(
+ [&conditionExecutions] {
+ ++conditionExecutions;
+ return Condition(true, true);
+ },
+ [&bodyExecutions] {
+ ++bodyExecutions;
+ return Task1(false);
+ });
+ static_assert(std::is_same_v<decltype(result), Result<Ok, Failed>>);
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(1 == bodyExecutions);
+ MOZ_RELEASE_ASSERT(1 == conditionExecutions);
+}
+
+TEST(QuotaCommon_CollectWhileTest, BodyFailsOnSecondExecution)
+{
+ size_t conditionExecutions = 0;
+ size_t bodyExecutions = 0;
+ auto result = CollectWhile(
+ [&conditionExecutions] {
+ ++conditionExecutions;
+ return Condition(true, true);
+ },
+ [&bodyExecutions] {
+ ++bodyExecutions;
+ return Task1(bodyExecutions < 2);
+ });
+ static_assert(std::is_same_v<decltype(result), Result<Ok, Failed>>);
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(2 == bodyExecutions);
+ MOZ_RELEASE_ASSERT(2 == conditionExecutions);
+}
+
+TEST(QuotaCommon_CollectWhileTest, ConditionFailsImmediately)
+{
+ size_t conditionExecutions = 0;
+ size_t bodyExecutions = 0;
+ auto result = CollectWhile(
+ [&conditionExecutions] {
+ ++conditionExecutions;
+ return Condition(false, true);
+ },
+ [&bodyExecutions] {
+ ++bodyExecutions;
+ return Task1(true);
+ });
+ static_assert(std::is_same_v<decltype(result), Result<Ok, Failed>>);
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(0 == bodyExecutions);
+ MOZ_RELEASE_ASSERT(1 == conditionExecutions);
+}
+
+TEST(QuotaCommon_CollectWhileTest, ConditionFailsOnSecondExecution)
+{
+ size_t conditionExecutions = 0;
+ size_t bodyExecutions = 0;
+ auto result = CollectWhile(
+ [&conditionExecutions] {
+ ++conditionExecutions;
+ return Condition(conditionExecutions < 2, true);
+ },
+ [&bodyExecutions] {
+ ++bodyExecutions;
+ return Task1(true);
+ });
+ static_assert(std::is_same_v<decltype(result), Result<Ok, Failed>>);
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(1 == bodyExecutions);
+ MOZ_RELEASE_ASSERT(2 == conditionExecutions);
+}
+
+TEST(QuotaCommon_CollectEachInRange, Success)
+{
+ size_t bodyExecutions = 0;
+ const auto result = CollectEachInRange(
+ std::array<int, 5>{{1, 2, 3, 4, 5}},
+ [&bodyExecutions](const int val) -> Result<Ok, nsresult> {
+ ++bodyExecutions;
+ return Ok{};
+ });
+
+ MOZ_RELEASE_ASSERT(result.isOk());
+ MOZ_RELEASE_ASSERT(5 == bodyExecutions);
+}
+
+TEST(QuotaCommon_CollectEachInRange, FailureShortCircuit)
+{
+ size_t bodyExecutions = 0;
+ const auto result = CollectEachInRange(
+ std::array<int, 5>{{1, 2, 3, 4, 5}},
+ [&bodyExecutions](const int val) -> Result<Ok, nsresult> {
+ ++bodyExecutions;
+ return val == 3 ? Err(NS_ERROR_FAILURE) : Result<Ok, nsresult>{Ok{}};
+ });
+
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(NS_ERROR_FAILURE == result.inspectErr());
+ MOZ_RELEASE_ASSERT(3 == bodyExecutions);
+}
+
+TEST(QuotaCommon_ReduceEach, Success)
+{
+ const auto result = ReduceEach(
+ [i = int{0}]() mutable -> Result<int, Failed> {
+ if (i < 5) {
+ return ++i;
+ }
+ return 0;
+ },
+ 0, [](int val, int add) -> Result<int, Failed> { return val + add; });
+ static_assert(std::is_same_v<decltype(result), const Result<int, Failed>>);
+
+ MOZ_RELEASE_ASSERT(result.isOk());
+ MOZ_RELEASE_ASSERT(15 == result.inspect());
+}
+
+TEST(QuotaCommon_ReduceEach, StepError)
+{
+ const auto result = ReduceEach(
+ [i = int{0}]() mutable -> Result<int, Failed> {
+ if (i < 5) {
+ return ++i;
+ }
+ return 0;
+ },
+ 0,
+ [](int val, int add) -> Result<int, Failed> {
+ if (val > 2) {
+ return Err(Failed{});
+ }
+ return val + add;
+ });
+ static_assert(std::is_same_v<decltype(result), const Result<int, Failed>>);
+
+ MOZ_RELEASE_ASSERT(result.isErr());
+}
+
+TEST(QuotaCommon_ReduceEach, GeneratorError)
+{
+ size_t generatorExecutions = 0;
+ const auto result = ReduceEach(
+ [i = int{0}, &generatorExecutions]() mutable -> Result<int, Failed> {
+ ++generatorExecutions;
+ if (i < 1) {
+ return ++i;
+ }
+ return Err(Failed{});
+ },
+ 0,
+ [](int val, int add) -> Result<int, Failed> {
+ if (val > 2) {
+ return Err(Failed{});
+ }
+ return val + add;
+ });
+ static_assert(std::is_same_v<decltype(result), const Result<int, Failed>>);
+
+ MOZ_RELEASE_ASSERT(result.isErr());
+ MOZ_RELEASE_ASSERT(2 == generatorExecutions);
+}
+
+TEST(QuotaCommon_Reduce, Success)
+{
+ const auto range = std::vector{0, 1, 2, 3, 4, 5};
+ const auto result = Reduce(
+ range, 0, [](int val, Maybe<const int&> add) -> Result<int, Failed> {
+ return val + add.ref();
+ });
+ static_assert(std::is_same_v<decltype(result), const Result<int, Failed>>);
+
+ MOZ_RELEASE_ASSERT(result.isOk());
+ MOZ_RELEASE_ASSERT(15 == result.inspect());
+}
+
+TEST(QuotaCommon_ScopedLogExtraInfo, AddAndRemove)
+{
+ static constexpr auto text = "foo"_ns;
+
+ {
+ const auto extraInfo =
+ ScopedLogExtraInfo{ScopedLogExtraInfo::kTagQuery, text};
+
+#ifdef QM_ENABLE_SCOPED_LOG_EXTRA_INFO
+ const auto& extraInfoMap = ScopedLogExtraInfo::GetExtraInfoMap();
+
+ EXPECT_EQ(text, *extraInfoMap.at(ScopedLogExtraInfo::kTagQuery));
+#endif
+ }
+
+#ifdef QM_ENABLE_SCOPED_LOG_EXTRA_INFO
+ const auto& extraInfoMap = ScopedLogExtraInfo::GetExtraInfoMap();
+
+ EXPECT_EQ(0u, extraInfoMap.count(ScopedLogExtraInfo::kTagQuery));
+#endif
+}
+
+TEST(QuotaCommon_ScopedLogExtraInfo, Nested)
+{
+ static constexpr auto text = "foo"_ns;
+ static constexpr auto nestedText = "bar"_ns;
+
+ {
+ const auto extraInfo =
+ ScopedLogExtraInfo{ScopedLogExtraInfo::kTagQuery, text};
+
+ {
+ const auto extraInfo =
+ ScopedLogExtraInfo{ScopedLogExtraInfo::kTagQuery, nestedText};
+
+#ifdef QM_ENABLE_SCOPED_LOG_EXTRA_INFO
+ const auto& extraInfoMap = ScopedLogExtraInfo::GetExtraInfoMap();
+ EXPECT_EQ(nestedText, *extraInfoMap.at(ScopedLogExtraInfo::kTagQuery));
+#endif
+ }
+
+#ifdef QM_ENABLE_SCOPED_LOG_EXTRA_INFO
+ const auto& extraInfoMap = ScopedLogExtraInfo::GetExtraInfoMap();
+ EXPECT_EQ(text, *extraInfoMap.at(ScopedLogExtraInfo::kTagQuery));
+#endif
+ }
+
+#ifdef QM_ENABLE_SCOPED_LOG_EXTRA_INFO
+ const auto& extraInfoMap = ScopedLogExtraInfo::GetExtraInfoMap();
+
+ EXPECT_EQ(0u, extraInfoMap.count(ScopedLogExtraInfo::kTagQuery));
+#endif
+}
+
+#ifdef __clang__
+# pragma clang diagnostic pop
+#endif