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valuetest: add deep copy unit test

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This commit adds some simple tests for the deep-copying
of values, either based on the explicit constructor, or
the CopyFrom function.

It uses the CrtAllocator to test for possible double-free
errors due to insufficient copying.
This commit is contained in:
Philipp A. Hartmann 2014-02-28 13:11:21 +01:00
parent 8bde3be116
commit 65b4316da9
1 changed files with 30 additions and 0 deletions
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30
test/unittest/valuetest.cpp
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@ -25,6 +25,36 @@ TEST(Value, assignment_operator) {
EXPECT_EQ(1234, y.GetInt());
}
TEST(Value, CopyFrom)
{
// use CrtAllocator to explicitly malloc/free any memory
// comment this line to use the default Allocator instead
typedef GenericValue<UTF8<>,CrtAllocator> Value;
Value::AllocatorType a;
Value v1(1234);
Value v2(v1,a); // deep copy constructor
EXPECT_TRUE(v1.GetType() == v2.GetType());
EXPECT_EQ(v1.GetInt(), v2.GetInt());
v1.SetString("foo");
v2.CopyFrom(v1,a);
EXPECT_TRUE(v1.GetType() == v2.GetType());
EXPECT_STREQ(v1.GetString(), v2.GetString());
EXPECT_EQ(v1.GetString(), v2.GetString()); // string NOT copied
v1.SetArray().PushBack(1234,a);
v2.CopyFrom(v1,a);
EXPECT_TRUE(v2.IsArray());
EXPECT_EQ(v1.Size(), v2.Size());
v1.PushBack(Value().SetString("foo",a),a); // push string copy
EXPECT_TRUE(v1.Size() != v2.Size());
v2.CopyFrom(v1,a);
EXPECT_TRUE(v1.Size() == v2.Size());
EXPECT_STREQ(v1[1].GetString(), v2[1].GetString());
EXPECT_NE(v1[1].GetString(), v2[1].GetString()); // string got copied
}
TEST(Value, Null) {
// Default constructor