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#import <XCTest/XCTest.h>
#import <Mapbox/Mapbox.h>
#import "NSPredicate+MGLAdditions.h"
#import "MGLValueEvaluator.h"
namespace mbgl {
namespace style {
bool operator!=(const Filter &a, const Filter &b) {
return !(a == b);
}
}
}
#define MGLAssertEqualFilters(actual, expected, ...) \
XCTAssertTrue(actual.is<__typeof__(expected)>()); \
if (actual.is<__typeof__(expected)>()) { \
XCTAssertEqual(actual.get<__typeof__(expected)>(), expected, __VA_ARGS__); \
}
@interface MGLPredicateTests : XCTestCase
@end
@implementation MGLPredicateTests
- (void)testFilterization {
{
auto actual = [NSPredicate predicateWithValue:YES].mgl_filter;
mbgl::style::AllFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithValue:NO].mgl_filter;
mbgl::style::AnyFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a = 'b'"].mgl_filter;
mbgl::style::EqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = 'Point'", @"$type"].mgl_filter;
mbgl::style::TypeEqualsFilter expected = { .value = mbgl::FeatureType::Point };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = 67086180", @"$id"].mgl_filter;
mbgl::style::IdentifierEqualsFilter expected = { .value = UINT64_C(67086180) };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K = nil", @"$id"].mgl_filter;
mbgl::style::NotHasIdentifierFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a = nil"].mgl_filter;
mbgl::style::NotHasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != 'Point'", @"$type"].mgl_filter;
mbgl::style::TypeNotEqualsFilter expected = { .value = mbgl::FeatureType::Point };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != 67086180", @"$id"].mgl_filter;
mbgl::style::IdentifierNotEqualsFilter expected = { .value = UINT64_C(67086180) };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K != nil", @"$id"].mgl_filter;
mbgl::style::HasIdentifierFilter expected;
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a != 'b'"].mgl_filter;
mbgl::style::NotEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a != nil"].mgl_filter;
mbgl::style::HasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a < 'b'"].mgl_filter;
mbgl::style::LessThanFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a <= 'b'"].mgl_filter;
mbgl::style::LessThanEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a > 'b'"].mgl_filter;
mbgl::style::GreaterThanFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a >= 'b'"].mgl_filter;
mbgl::style::GreaterThanEqualsFilter expected = { .key = "a", .value = std::string("b") };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a BETWEEN %@", @[@"b", @"z"]].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a IN {'b', 'c'}"].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a IN %@", @[@"b", @"c"]].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN {'LineString', 'Polygon'}", @"$type"].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN %@", @"$type", @[@"LineString", @"Polygon"]].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%K IN %@", @"$id", @[@67086180, @3709678893, @3352016856, @4189833989]].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"'Mapbox' IN a"].mgl_filter, NSException, NSInvalidArgumentException);
{
auto actual = [NSPredicate predicateWithFormat:@"{'b', 'c'} CONTAINS a"].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@"b", @"c"]].mgl_filter;
mbgl::style::InFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS %K", @[@"LineString", @"Polygon"], @"$type"].mgl_filter;
mbgl::style::TypeInFilter expected = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"{67086180, 3709678893, 3352016856, 4189833989} CONTAINS %K", @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"%@ CONTAINS %K", @[@67086180, @3709678893, @3352016856, @4189833989], @"$id"].mgl_filter;
mbgl::style::IdentifierInFilter expected = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a CONTAINS 'Mapbox'"].mgl_filter, NSException, NSInvalidArgumentException);
{
auto actual = [NSPredicate predicateWithFormat:@"a == 'b' AND c == 'd'"].mgl_filter;
mbgl::style::AllFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"a == 'b' OR c == 'd'"].mgl_filter;
mbgl::style::AnyFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT(a == 'b' AND c == 'd')"].mgl_filter;
mbgl::style::NoneFilter expected = {
.filters = {
mbgl::style::AllFilter {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
},
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT(a == 'b' OR c == 'd')"].mgl_filter;
mbgl::style::NoneFilter expected = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a == nil"].mgl_filter;
mbgl::style::HasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a != nil"].mgl_filter;
mbgl::style::NotHasFilter expected = { .key = "a" };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a IN {'b', 'c'}"].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT a IN %@", @[@"b", @"c"]].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT {'b', 'c'} CONTAINS a"].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
{
auto actual = [NSPredicate predicateWithFormat:@"NOT %@ CONTAINS a", @[@"b", @"c"]].mgl_filter;
mbgl::style::NotInFilter expected = { .key = "a", .values = { std::string("b"), std::string("c") } };
MGLAssertEqualFilters(actual, expected);
}
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BEGINSWITH 'L'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a ENDSWITH 'itude'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a LIKE 'glob?trotter'"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a MATCHES 'i\\w{18}n'"].mgl_filter, NSException, NSInvalidArgumentException);
NSPredicate *selectorPredicate = [NSPredicate predicateWithFormat:@"(SELF isKindOfClass: %@)", [MGLPolyline class]];
XCTAssertThrowsSpecificNamed(selectorPredicate.mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithBlock:^BOOL(id _Nullable evaluatedObject, NSDictionary<NSString *, id> * _Nullable bindings) {
XCTAssertTrue(NO, @"Predicate block should not be evaluated.");
return NO;
}].mgl_filter, NSException, NSInvalidArgumentException);
}
- (void)testPredication {
XCTAssertNil([NSPredicate mgl_predicateWithFilter:mbgl::style::NullFilter()]);
{
mbgl::style::EqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a = 'b'"]);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Point };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'Point'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::LineString };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'LineString'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Polygon };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 'Polygon'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::IdentifierEqualsFilter filter = { .value = UINT64_C(67086180) };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = 67086180", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::NotHasIdentifierFilter filter;
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K = nil", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::TypeEqualsFilter filter = { .value = mbgl::FeatureType::Unknown };
XCTAssertThrowsSpecificNamed([NSPredicate mgl_predicateWithFilter:filter], NSException, NSInternalInconsistencyException);
}
{
mbgl::style::NotHasFilter filter = { .key = "a" };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a = nil"]);
}
{
mbgl::style::NotEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a != 'b'"]);
}
{
mbgl::style::TypeNotEqualsFilter filter = { .value = mbgl::FeatureType::Point };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != 'Point'", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::IdentifierNotEqualsFilter filter = { .value = UINT64_C(67086180) };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != 67086180", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::HasIdentifierFilter filter;
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K != nil", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::HasFilter filter = { .key = "a" };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a != nil"]);
}
{
mbgl::style::LessThanFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a < 'b'"]);
}
{
mbgl::style::LessThanEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a <= 'b'"]);
}
{
mbgl::style::GreaterThanFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a > 'b'"]);
}
{
mbgl::style::GreaterThanEqualsFilter filter = { .key = "a", .value = std::string("b") };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a >= 'b'"]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::LessThanEqualsFilter { .key = "a", .value = std::string("z") },
mbgl::style::GreaterThanEqualsFilter { .key = "a", .value = std::string("b") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a BETWEEN {'b', 'z'}"]);
}
{
mbgl::style::InFilter filter = { .key = "a", .values = { std::string("b"), std::string("c") } };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, [NSPredicate predicateWithFormat:@"a IN {'b', 'c'}"].predicateFormat);
}
{
mbgl::style::TypeInFilter filter = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K IN {'LineString', 'Polygon'}", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, expected.predicateFormat);
}
{
mbgl::style::IdentifierInFilter filter = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"%K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::NotInFilter filter = { .key = "a", .values = { std::string("b"), std::string("c") } };
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, [NSPredicate predicateWithFormat:@"NOT a IN {'b', 'c'}"].predicateFormat);
}
{
mbgl::style::TypeNotInFilter filter = { .values = { mbgl::FeatureType::LineString, mbgl::FeatureType::Polygon } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"NOT %K IN {'LineString', 'Polygon'}", @"$type"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter].predicateFormat, expected.predicateFormat);
}
{
mbgl::style::IdentifierNotInFilter filter = { .values = { UINT64_C(67086180), UINT64_C(3709678893), UINT64_C(3352016856), UINT64_C(4189833989) } };
NSPredicate *expected = [NSPredicate predicateWithFormat:@"NOT %K IN {67086180, 3709678893, 3352016856, 4189833989}", @"$id"];
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], expected);
}
{
mbgl::style::AllFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:YES]);
}
{
mbgl::style::AllFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a == 'b' AND c == 'd'"]);
}
{
mbgl::style::AnyFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:NO]);
}
{
mbgl::style::AnyFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"a == 'b' OR c == 'd'"]);
}
{
mbgl::style::NoneFilter filter;
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithValue:YES]);
}
{
mbgl::style::NoneFilter filter = {
.filters = {
mbgl::style::EqualsFilter { .key = "a", .value = std::string("b") },
mbgl::style::EqualsFilter { .key = "c", .value = std::string("d") },
},
};
XCTAssertEqualObjects([NSPredicate mgl_predicateWithFilter:filter], [NSPredicate predicateWithFormat:@"NOT(a == 'b' OR c == 'd')"]);
}
}
- (void)testSymmetry {
[self testSymmetryWithFormat:@"a = 1" reverseFormat:@"1 = a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a != 1" reverseFormat:@"1 != a" mustRoundTrip:YES];
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a = b"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"1 = 1"].mgl_filter, NSException, NSInvalidArgumentException);
// In the predicate format language, $ is a special character denoting a
// variable. Use %K to escape the special feature attribute $id.
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"$id == 670861802"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a = $id"].mgl_filter, NSException, NSInvalidArgumentException);
[self testSymmetryWithFormat:@"a = nil" reverseFormat:@"nil = a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a != nil" reverseFormat:@"nil != a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a < 1" reverseFormat:@"1 > a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a <= 1" reverseFormat:@"1 >= a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a > 1" reverseFormat:@"1 < a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a >= 1" reverseFormat:@"1 <= a" mustRoundTrip:YES];
[self testSymmetryWithFormat:@"a BETWEEN {1, 2}" reverseFormat:@"1 <= a && 2 >= a" mustRoundTrip:YES];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"a BETWEEN %@", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"1 <= a && 2 >= a"]
mustRoundTrip:YES];
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"{1, 2} BETWEEN a"].mgl_filter, NSException, NSInvalidArgumentException);
NSPredicate *betweenSetPredicate = [NSPredicate predicateWithFormat:@"a BETWEEN %@", [NSSet setWithObjects:@1, @2, nil]];
XCTAssertThrowsSpecificNamed(betweenSetPredicate.mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BETWEEN {1}"].mgl_filter, NSException, NSInvalidArgumentException);
XCTAssertThrowsSpecificNamed([NSPredicate predicateWithFormat:@"a BETWEEN {1, 2, 3}"].mgl_filter, NSException, NSInvalidArgumentException);
[self testSymmetryWithFormat:@"a IN {1, 2}" reverseFormat:@"{1, 2} CONTAINS a" mustRoundTrip:NO];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"a IN %@", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
mustRoundTrip:YES];
// The reverse formats here are a bit backwards because we canonicalize
// a reverse CONTAINS to a forward IN.
[self testSymmetryWithFormat:@"{1, 2} CONTAINS a" reverseFormat:@"{1, 2} CONTAINS a" mustRoundTrip:NO];
[self testSymmetryWithPredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
reversePredicate:[NSPredicate predicateWithFormat:@"%@ CONTAINS a", @[@1, @2]]
mustRoundTrip:NO];
}
- (void)testSymmetryWithFormat:(NSString *)forwardFormat reverseFormat:(NSString *)reverseFormat mustRoundTrip:(BOOL)mustRoundTrip {
NSPredicate *forwardPredicate = [NSPredicate predicateWithFormat:forwardFormat];
NSPredicate *reversePredicate = reverseFormat ? [NSPredicate predicateWithFormat:reverseFormat] : nil;
[self testSymmetryWithPredicate:forwardPredicate reversePredicate:reversePredicate mustRoundTrip:mustRoundTrip];
}
- (void)testSymmetryWithPredicate:(NSPredicate *)forwardPredicate reversePredicate:(NSPredicate *)reversePredicate mustRoundTrip:(BOOL)mustRoundTrip {
auto forwardFilter = forwardPredicate.mgl_filter;
NSPredicate *forwardPredicateAfter = [NSPredicate mgl_predicateWithFilter:forwardFilter];
if (mustRoundTrip) {
// A collection of ints may turn into an aggregate of longs, for
// example, so compare formats instead of the predicates themselves.
XCTAssertEqualObjects(forwardPredicate.predicateFormat, forwardPredicateAfter.predicateFormat);
}
if (reversePredicate) {
auto reverseFilter = reversePredicate.mgl_filter;
NSPredicate *reversePredicateAfter = [NSPredicate mgl_predicateWithFilter:reverseFilter];
XCTAssertNotEqualObjects(reversePredicate, reversePredicateAfter);
XCTAssertEqualObjects(forwardPredicateAfter, reversePredicateAfter);
}
}
- (void)testComparisonExpressionArray {
{
NSArray *expected = @[@"==", @1, @2];
XCTAssertEqualObjects([NSPredicate predicateWithFormat:@"1 = 2"].mgl_jsonExpressionObject, expected);
}
}
@end
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