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fix

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In value.h, ValueConstIterator can convert to ValueIterator, I think that is a bug. the correct way is ValueIterator can convert to ValueConstIterator.
This commit is contained in:
ycqiu 2015-10-06 16:46:19 +08:00 committed by Christopher Dunn
parent 4994c77d09
commit c8a8cfcd4b
3 changed files with 11 additions and 4 deletions
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3
include/json/value.h
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@ -738,6 +738,7 @@ public:
typedef ValueConstIterator SelfType;
ValueConstIterator();
ValueConstIterator(ValueIterator const& other);
private:
/*! \internal Use by Value to create an iterator.
@ -787,7 +788,7 @@ public:
typedef ValueIterator SelfType;
ValueIterator();
ValueIterator(const ValueConstIterator& other);
explicit ValueIterator(const ValueConstIterator& other);
ValueIterator(const ValueIterator& other);
private:

7
src/lib_json/json_valueiterator.inl
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@ -129,6 +129,9 @@ ValueConstIterator::ValueConstIterator(
const Value::ObjectValues::iterator& current)
: ValueIteratorBase(current) {}
ValueConstIterator::ValueConstIterator(ValueIterator const& other)
: ValueIteratorBase(other) {}
ValueConstIterator& ValueConstIterator::
operator=(const ValueIteratorBase& other) {
copy(other);
@ -149,7 +152,9 @@ ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
: ValueIteratorBase(current) {}
ValueIterator::ValueIterator(const ValueConstIterator& other)
: ValueIteratorBase(other) {}
: ValueIteratorBase(other) {
throwRuntimeError("ConstIterator to Iterator should never be allowed.");
}
ValueIterator::ValueIterator(const ValueIterator& other)
: ValueIteratorBase(other) {}

5
src/test_lib_json/main.cpp
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@ -10,7 +10,6 @@
#include <limits>
#include <sstream>
#include <string>
#include <iostream>
#include <iomanip>
// Make numeric limits more convenient to talk about.
@ -2436,7 +2435,9 @@ JSONTEST_FIXTURE(IteratorTest, indexes) {
JSONTEST_FIXTURE(IteratorTest, const) {
Json::Value const v;
Json::Value::iterator it = v.begin(); // This *should not* compile, but does.
JSONTEST_ASSERT_THROWS(
Json::Value::iterator it(v.begin()) // Compile, but throw.
);
Json::Value value;