private void CreateIndex()
{
var ind = (C4Indexer *)LiteCoreBridge.Check(err => Native.c4indexer_begin(Db,
new[] { _view }, err));
var e = (C4DocEnumerator *)LiteCoreBridge.Check(err => Native.c4indexer_enumerateDocuments(ind, err));
C4Document *doc;
C4Error error;
while (null != (doc = Native.c4enum_nextDocument(e, &error)))
{
var body = doc->selectedRev.body.CreateString();
var components = body.Trim('(', ')').Split(',');
var area = new C4GeoArea();
area.xmin = Double.Parse(components[0]);
area.ymin = Double.Parse(components[1]);
area.xmax = Double.Parse(components[2]);
area.ymax = Double.Parse(components[3]);
var keys = new C4Key *[1];
var values = new C4Slice[1];
keys[0] = Native.c4key_newGeoJSON("{\"geo\":true}", area);
values[0] = C4Slice.Constant("1234");
LiteCoreBridge.Check(err => Native.c4indexer_emit(ind, doc, 0, keys, values, err));
Native.c4key_free(keys[0]);
Native.c4doc_free(doc);
}
Native.c4enum_free(e);
error.Code.Should().Be(0, "because otherwise an error occurred somewhere");
LiteCoreBridge.Check(err => Native.c4indexer_end(ind, true, err));
}
public void TestQuery()
{
const bool verbose = true;
CreateDocs(100, verbose);
CreateIndex();
C4GeoArea area = new C4GeoArea(10, 10, 60, 60);
C4Error error;
C4QueryEnumerator *e = Native.c4view_geoQuery(_view, area, &error);
Assert.IsTrue(e != null);
int found = 0;
foreach (var doc in new CBForestQueryEnumerator(e))
{
++found;
var a = doc.BoundingBox;
Assert.IsTrue(doc.Value.Equals("1234"));
Assert.IsTrue(a.xmin <= 60 && a.xmax >= 10 && a.ymin <= 60 && a.ymax >= 10);
Assert.IsTrue(doc.GeoJSONRaw.Equals("{\"geo\":true}"));
}
Assert.AreEqual(0, error.code);
Assert.AreEqual(5, found);
}
public void TestQuery()
{
RunTestVariants(() => {
CreateDocs(100);
CreateIndex();
var queryArea = new C4GeoArea {
xmin = 10,
ymin = 10,
xmax = 40,
ymax = 40
};
var e = (C4QueryEnumerator *)LiteCoreBridge.Check(err => Native.c4view_geoQuery(_view,
queryArea, err));
uint found = 0;
C4Error error;
while (Native.c4queryenum_next(e, &error))
{
++found;
var a = e->geoBBox;
var expected = C4Slice.Constant("1234");
e->value.Equals(expected).Should().BeTrue("because the value should be correct");
a.xmin.Should().BeLessOrEqualTo(40, "because otherwise it is outside the specified area");
a.xmax.Should().BeGreaterOrEqualTo(10, "because otherwise it is outside the specified area");
a.ymin.Should().BeLessOrEqualTo(40, "because otherwise it is outside the specified area");
a.ymax.Should().BeGreaterOrEqualTo(10, "because otherwise it is outside the specified area");
expected = C4Slice.Constant("{\"geo\":true}");
e->geoJSON.Equals(expected).Should().BeTrue("because the geo JSON should match what was stored");
}
Native.c4queryenum_free(e);
error.Code.Should().Be(0, "because otherwise an error occurred somewhere");
found.Should().Be(1, "because that is how many entries fall in the given area");
});
}
