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authorMichaël Zasso <targos@protonmail.com>2017-03-21 10:16:54 +0100
committerMichaël Zasso <targos@protonmail.com>2017-03-25 09:44:10 +0100
commitc459d8ea5d402c702948c860d9497b2230ff7e8a (patch)
tree56c282fc4d40e5cb613b47cf7be3ea0526ed5b6f /deps/v8/test/cctest/test-conversions.cc
parente0bc5a7361b1d29c3ed034155fd779ce6f44fb13 (diff)
downloadnode-new-c459d8ea5d402c702948c860d9497b2230ff7e8a.tar.gz
deps: update V8 to 5.7.492.69
PR-URL: https://github.com/nodejs/node/pull/11752 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
Diffstat (limited to 'deps/v8/test/cctest/test-conversions.cc')
-rw-r--r--deps/v8/test/cctest/test-conversions.cc58
1 files changed, 58 insertions, 0 deletions
diff --git a/deps/v8/test/cctest/test-conversions.cc b/deps/v8/test/cctest/test-conversions.cc
index 2fee58a46d..65cd96e0df 100644
--- a/deps/v8/test/cctest/test-conversions.cc
+++ b/deps/v8/test/cctest/test-conversions.cc
@@ -444,3 +444,61 @@ TEST(NoHandlesForTryNumberToSize) {
}
}
}
+
+TEST(TryNumberToSizeWithMaxSizePlusOne) {
+ i::Isolate* isolate = CcTest::i_isolate();
+ {
+ HandleScope scope(isolate);
+ // 1 << 64, larger than the limit of size_t.
+ double value = 18446744073709551616.0;
+ size_t result = 0;
+ Handle<HeapNumber> heap_number = isolate->factory()->NewHeapNumber(value);
+ CHECK(!TryNumberToSize(*heap_number, &result));
+ }
+}
+
+TEST(PositiveNumberToUint32) {
+ i::Isolate* isolate = CcTest::i_isolate();
+ i::Factory* factory = isolate->factory();
+ uint32_t max = std::numeric_limits<uint32_t>::max();
+ HandleScope scope(isolate);
+ // Test Smi conversions.
+ Handle<Object> number = handle(Smi::FromInt(0), isolate);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = handle(Smi::FromInt(-1), isolate);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = handle(Smi::FromInt(-1), isolate);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = handle(Smi::FromInt(Smi::kMinValue), isolate);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = handle(Smi::FromInt(Smi::kMaxValue), isolate);
+ CHECK_EQ(PositiveNumberToUint32(*number),
+ static_cast<uint32_t>(Smi::kMaxValue));
+ // Test Double conversions.
+ number = factory->NewHeapNumber(0.0);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = factory->NewHeapNumber(0.999);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = factory->NewHeapNumber(1.999);
+ CHECK_EQ(PositiveNumberToUint32(*number), 1u);
+ number = factory->NewHeapNumber(-12.0);
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = factory->NewHeapNumber(12000.0);
+ CHECK_EQ(PositiveNumberToUint32(*number), 12000u);
+ number = factory->NewHeapNumber(static_cast<double>(Smi::kMaxValue) + 1);
+ CHECK_EQ(PositiveNumberToUint32(*number),
+ static_cast<uint32_t>(Smi::kMaxValue) + 1);
+ number = factory->NewHeapNumber(max);
+ CHECK_EQ(PositiveNumberToUint32(*number), max);
+ number = factory->NewHeapNumber(static_cast<double>(max) * 1000);
+ CHECK_EQ(PositiveNumberToUint32(*number), max);
+ number = factory->NewHeapNumber(std::numeric_limits<double>::max());
+ CHECK_EQ(PositiveNumberToUint32(*number), max);
+ number = factory->NewHeapNumber(std::numeric_limits<double>::infinity());
+ CHECK_EQ(PositiveNumberToUint32(*number), max);
+ number =
+ factory->NewHeapNumber(-1.0 * std::numeric_limits<double>::infinity());
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+ number = factory->NewHeapNumber(std::nan(""));
+ CHECK_EQ(PositiveNumberToUint32(*number), 0u);
+}