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Fixed a few more places where doubles were not serialised to full accuracy

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This commit is contained in:
Tom Poole 2019-02-11 14:44:19 +00:00
parent bd07014dcc
commit 306e7e4360
4 changed files with 55 additions and 23 deletions
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2
modules/juce_core/containers/juce_Variant.cpp
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@ -175,7 +175,7 @@ public:
int toInt (const ValueUnion& data) const noexcept override { return (int) data.doubleValue; }
int64 toInt64 (const ValueUnion& data) const noexcept override { return (int64) data.doubleValue; }
double toDouble (const ValueUnion& data) const noexcept override { return data.doubleValue; }
String toString (const ValueUnion& data) const override { return String (data.doubleValue, 20); }
String toString (const ValueUnion& data) const override { return minimiseLengthOfFloatString (String (data.doubleValue, 15, true)); }
bool toBool (const ValueUnion& data) const noexcept override { return data.doubleValue != 0.0; }
bool isDouble() const noexcept override { return true; }
bool isComparable() const noexcept override { return true; }

5
modules/juce_core/javascript/juce_JSON.h
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@ -110,13 +110,14 @@ public:
/** Writes a JSON-formatted representation of the var object to the given stream.
If allOnOneLine is true, the result will be compacted into a single line of text
with no carriage-returns. If false, it will be laid-out in a more human-readable format.
The maximumDecimalPlaces parameter determines the precision of floating point numbers.
The maximumDecimalPlaces parameter determines the precision of floating point numbers
in scientific notation.
@see toString
*/
static void writeToStream (OutputStream& output,
const var& objectToFormat,
bool allOnOneLine = false,
int maximumDecimalPlaces = 20);
int maximumDecimalPlaces = 15);
/** Returns a version of a string with any extended characters escaped. */
static String escapeString (StringRef);

2
modules/juce_core/juce_core.cpp
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@ -125,7 +125,6 @@
#include "containers/juce_PropertySet.cpp"
#include "containers/juce_ReferenceCountedArray.cpp"
#include "containers/juce_SparseSet.cpp"
#include "containers/juce_Variant.cpp"
#include "files/juce_DirectoryIterator.cpp"
#include "files/juce_File.cpp"
#include "files/juce_FileInputStream.cpp"
@ -172,6 +171,7 @@
#include "time/juce_RelativeTime.cpp"
#include "time/juce_Time.cpp"
#include "unit_tests/juce_UnitTest.cpp"
#include "containers/juce_Variant.cpp"
#include "javascript/juce_JSON.cpp"
#include "javascript/juce_Javascript.cpp"
#include "containers/juce_DynamicObject.cpp"

69
modules/juce_data_structures/values/juce_ValueTree.cpp
View file

@ -1157,32 +1157,63 @@ public:
void runTest() override
{
beginTest ("ValueTree");
auto r = getRandom();
for (int i = 10; --i >= 0;)
{
MemoryOutputStream mo;
auto v1 = createRandomTree (nullptr, 0, r);
v1.writeToStream (mo);
beginTest ("ValueTree");
MemoryInputStream mi (mo.getData(), mo.getDataSize(), false);
auto v2 = ValueTree::readFromStream (mi);
expect (v1.isEquivalentTo (v2));
auto r = getRandom();
MemoryOutputStream zipped;
for (int i = 10; --i >= 0;)
{
GZIPCompressorOutputStream zippedOut (zipped);
v1.writeToStream (zippedOut);
MemoryOutputStream mo;
auto v1 = createRandomTree (nullptr, 0, r);
v1.writeToStream (mo);
MemoryInputStream mi (mo.getData(), mo.getDataSize(), false);
auto v2 = ValueTree::readFromStream (mi);
expect (v1.isEquivalentTo (v2));
MemoryOutputStream zipped;
{
GZIPCompressorOutputStream zippedOut (zipped);
v1.writeToStream (zippedOut);
}
expect (v1.isEquivalentTo (ValueTree::readFromGZIPData (zipped.getData(), zipped.getDataSize())));
std::unique_ptr<XmlElement> xml1 (v1.createXml());
std::unique_ptr<XmlElement> xml2 (v2.createCopy().createXml());
expect (xml1->isEquivalentTo (xml2.get(), false));
auto v4 = v2.createCopy();
expect (v1.isEquivalentTo (v4));
}
expect (v1.isEquivalentTo (ValueTree::readFromGZIPData (zipped.getData(), zipped.getDataSize())));
}
std::unique_ptr<XmlElement> xml1 (v1.createXml());
std::unique_ptr<XmlElement> xml2 (v2.createCopy().createXml());
expect (xml1->isEquivalentTo (xml2.get(), false));
{
beginTest ("Float formatting");
auto v4 = v2.createCopy();
expect (v1.isEquivalentTo (v4));
ValueTree testVT ("Test");
Identifier number ("number");
std::map<double, String> tests;
tests[1] = "1";
tests[1.1] = "1.1";
tests[1.01] = "1.01";
tests[0.76378] = "7.6378e-1";
tests[-10] = "-1e1";
tests[10.01] = "1.001e1";
tests[0.0123] = "1.23e-2";
tests[-3.7e-27] = "-3.7e-27";
tests[1e+40] = "1e40";
for (auto& test : tests)
{
testVT.setProperty (number, test.first, nullptr);
auto lines = StringArray::fromLines (testVT.toXmlString());
lines.removeEmptyStrings();
auto numLines = lines.size();
expect (numLines > 1);
expectEquals (lines[numLines - 1], "<Test number=\"" + test.second + "\"/>");
}
}
}
};