diff options
Diffstat (limited to 'platform/darwin/test/MGLExpressionTests.mm')
| -rw-r--r-- | platform/darwin/test/MGLExpressionTests.mm | 459 |
1 files changed, 456 insertions, 3 deletions
diff --git a/platform/darwin/test/MGLExpressionTests.mm b/platform/darwin/test/MGLExpressionTests.mm index ad0833a068..821c5dbdb4 100644 --- a/platform/darwin/test/MGLExpressionTests.mm +++ b/platform/darwin/test/MGLExpressionTests.mm @@ -1,9 +1,17 @@ #import <XCTest/XCTest.h> +#import "MGLStyleLayerTests.h" + #import <string> #import "MGLTypes.h" -#import "NSExpression+MGLAdditions.h" +#import "NSExpression+MGLPrivateAdditions.h" +#import "NSValue+MGLAdditions.h" +#if TARGET_OS_IPHONE +#import "UIColor+MGLAdditions.h" +#else +#import "NSColor+MGLAdditions.h" +#endif #define MGLAssertEqualValues(actual, expected, ...) \ XCTAssertTrue(actual.is<__typeof__(expected)>()); \ @@ -17,11 +25,14 @@ XCTAssertEqualWithAccuracy(actual.get<__typeof__(expected)>(), expected, accuracy, __VA_ARGS__); \ } +#define MGLConstantExpression(constant) \ + [NSExpression expressionForConstantValue:constant] + #define MGLAssertConstantEqualsValue(constant, value, ...) \ - MGLAssertEqualValues([NSExpression expressionForConstantValue:constant].mgl_constantMBGLValue, value, __VA_ARGS__); + MGLAssertEqualValues(MGLConstantExpression(constant).mgl_constantMBGLValue, value, __VA_ARGS__); #define MGLAssertConstantEqualsValueWithAccuracy(constant, value, accuracy, ...) \ - MGLAssertEqualValuesWithAccuracy([NSExpression expressionForConstantValue:constant].mgl_constantMBGLValue, value, accuracy, __VA_ARGS__); + MGLAssertEqualValuesWithAccuracy(MGLConstantExpression(constant).mgl_constantMBGLValue, value, accuracy, __VA_ARGS__); using namespace std::string_literals; @@ -140,4 +151,446 @@ using namespace std::string_literals; XCTAssertEqual([NSExpression expressionForConstantValue:nil].mgl_featureType, mbgl::FeatureType::Unknown); } +#pragma mark - JSON expression object tests + +- (void)testVariableExpressionObject { + { + NSExpression *expression = [NSExpression expressionForVariable:@"zoomLevel"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[@"zoom"]); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"$zoomLevel"].mgl_jsonExpressionObject, @[@"zoom"]); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:@[@"zoom"]], expression); + NSMutableDictionary *context = [@{@"zoomLevel": @16} mutableCopy]; + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @16); + } + { + NSExpression *expression = [NSExpression expressionForVariable:@"heatmapDensity"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @[@"heatmap-density"]); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"$heatmapDensity"].mgl_jsonExpressionObject, @[@"heatmap-density"]); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:@[@"heatmap-density"]], expression); + NSMutableDictionary *context = [@{@"heatmapDensity": @1} mutableCopy]; + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @1); + } + { + NSExpression *expression = [NSExpression expressionForVariable:@"loremIpsum"]; + NSArray *jsonExpression = @[@"var", @"loremIpsum"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"$loremIpsum"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + NSMutableDictionary *context = [@{@"loremIpsum": @"Lorem ipsum dolor sit amet"} mutableCopy]; + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:context], @"Lorem ipsum dolor sit amet"); + } + { + NSDictionary *context = @{@"loremIpsum": MGLConstantExpression(@"Lorem ipsum dolor sit amet")}; + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(uppercase($loremIpsum), 'mgl_expressionWithContext:', %@)", context]; + NSArray *jsonExpression = @[@"let", @"loremIpsum", @"Lorem ipsum dolor sit amet", @[@"upcase", @[@"var", @"loremIpsum"]]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testConstantValueExpressionObject { + { + NSExpression *expression = [NSExpression expressionForConstantValue:nil]; + XCTAssert(expression.mgl_jsonExpressionObject == [NSNull null]); + XCTAssert([NSExpression expressionWithFormat:@"nil"].mgl_jsonExpressionObject == [NSNull null]); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:[NSNull null]], expression); + XCTAssertNil([expression expressionValueWithObject:nil context:nil]); + } + { + NSExpression *expression = [NSExpression expressionForConstantValue:@1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @1); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1"].mgl_jsonExpressionObject, @1); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:@1], expression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1); + } + { + NSExpression *expression = [NSExpression expressionForConstantValue:@YES]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @YES); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"TRUE"].mgl_jsonExpressionObject, @YES); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:@YES], expression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @YES); + } + { + NSExpression *expression = [NSExpression expressionForConstantValue:nil]; + XCTAssert(expression.mgl_jsonExpressionObject == [NSNull null]); + XCTAssert([NSExpression expressionWithFormat:@"nil"].mgl_jsonExpressionObject == [NSNull null]); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:[NSNull null]], expression); + XCTAssertNil([expression expressionValueWithObject:nil context:nil]); + } + { + CGVector vector = CGVectorMake(1, 2); + NSExpression *expression = [NSExpression expressionForConstantValue:@(vector)]; +#if !TARGET_OS_IPHONE + NSArray *jsonExpression = @[@"literal", @[@1, @-2]]; +#else + NSArray *jsonExpression = @[@"literal", @[@1, @2]]; +#endif + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + // No way to distinguish offsets from ordinary arrays in expressions. + XCTAssertEqualObjects([[NSExpression mgl_expressionWithJSONObject:jsonExpression].collection valueForKeyPath:@"constantValue"], jsonExpression.lastObject); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(vector)); + } + { +#if !TARGET_OS_IPHONE + NSEdgeInsets padding = {1, 2, 3, 4}; + NSValue *value = [NSValue valueWithEdgeInsets:padding]; +#else + UIEdgeInsets padding = {1, 2, 3, 4}; + NSValue *value = [NSValue valueWithUIEdgeInsets:padding]; +#endif + NSExpression *expression = [NSExpression expressionForConstantValue:value]; + NSArray *jsonExpression = @[@"literal", @[@1, @4, @3, @2]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + // No way to distinguish offsets from ordinary arrays in expressions. + XCTAssertEqualObjects([[NSExpression mgl_expressionWithJSONObject:jsonExpression].collection valueForKeyPath:@"constantValue"], jsonExpression.lastObject); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], value); + } + { + MGLColor *color = [MGLColor mgl_colorWithColor:{ 255.0/255, 239.0/255, 213.0/255, 1 }]; // papayawhip + NSExpression *expression = [NSExpression expressionForConstantValue:color]; + NSArray *jsonExpression = @[@"rgb", @255, @239, @213]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], color); + } + { + MGLColor *color = [MGLColor mgl_colorWithColor:{ 255.0/255, 239.0/255, 213.0/255, 0.5 }]; // papayawhip + NSExpression *expression = [NSExpression expressionForConstantValue:color]; + NSArray *jsonExpression = @[@"rgba", @255, @239, @213, @0.5]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], color); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"noindex(513)"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, @513); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @513); + } +} + +- (void)testKeyPathExpressionObject { + { + NSExpression *expression = [NSExpression expressionForKeyPath:@"highway"]; + NSArray *jsonExpression = @[@"get", @"highway"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"highway"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"%@.population", @{@"population": MGLConstantExpression(@12000)}]; + NSArray *jsonExpression = @[@"get", @"population", @[@"literal", @{@"population": @12000}]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"%@.uppercase('population')", @{@"POPULATION": MGLConstantExpression(@12000)}]; + NSArray *jsonExpression = @[@"get", @[@"upcase", @"population"], @[@"literal", @{@"POPULATION": @12000}]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testStatisticalExpressionObject { + { + NSExpression *expression = [NSExpression expressionWithFormat:@"average({1, 2, 2, 3, 4, 7, 9})"]; + NSArray *jsonExpression = @[@"/", @[@"+", @1, @2, @2, @3, @4, @7, @9], @[@"length", @[@"literal", @[@1, @2, @2, @3, @4, @7, @9]]]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @4); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"sum({1, 2, 2, 3, 4, 7, 9})"]; + NSArray *jsonExpression = @[@"+", @1, @2, @2, @3, @4, @7, @9]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @28); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"count({1, 2, 2, 3, 4, 7, 9})"]; + NSArray *jsonExpression = @[@"length", @[@"literal", @[@1, @2, @2, @3, @4, @7, @9]]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @7); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"min({1, 2, 2, 3, 4, 7, 9})"]; + NSArray *jsonExpression = @[@"min", @1, @2, @2, @3, @4, @7, @9]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"max({1, 2, 2, 3, 4, 7, 9})"]; + NSArray *jsonExpression = @[@"max", @1, @2, @2, @3, @4, @7, @9]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @9); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testArithmeticExpressionObject { + NSArray *arguments = @[MGLConstantExpression(@1), MGLConstantExpression(@1)]; + { + NSExpression *expression = [NSExpression expressionForFunction:@"add:to:" arguments:arguments]; + NSArray *jsonExpression = @[@"+", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 + 1"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"from:subtract:" arguments:arguments]; + NSArray *jsonExpression = @[@"-", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 - 1"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"multiply:by:" arguments:arguments]; + NSArray *jsonExpression = @[@"*", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 * 1"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"divide:by:" arguments:arguments]; + NSArray *jsonExpression = @[@"/", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 / 1"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"modulus:by:" arguments:arguments]; + NSArray *jsonExpression = @[@"%", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + // NSExpression lacks a shorthand operator for modulus. + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:" arguments:@[MGLConstantExpression(@1.5)]]; + NSArray *jsonTruncation = @[@"-", @1.5, @[@"%", @1.5, @1]]; + NSArray *jsonExpression = @[@"+", jsonTruncation, @[@"case", @[@">", @[@"%", @1.5, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:" arguments:@[MGLConstantExpression(@-1.5)]]; + NSArray *jsonTruncation = @[@"-", @-1.5, @[@"%", @-1.5, @1]]; + NSArray *jsonExpression = @[@"+", jsonTruncation, @[@"case", @[@">", @[@"%", @-1.5, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-1); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:" arguments:@[MGLConstantExpression(@2)]]; + NSArray *jsonTruncation = @[@"-", @2, @[@"%", @2, @1]]; + NSArray *jsonExpression = @[@"+", jsonTruncation, @[@"case", @[@">", @[@"%", @2, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"ceiling:" arguments:@[MGLConstantExpression(@-2)]]; + NSArray *jsonTruncation = @[@"-", @-2, @[@"%", @-2, @1]]; + NSArray *jsonExpression = @[@"+", jsonTruncation, @[@"case", @[@">", @[@"%", @-2, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"trunc:" arguments:@[MGLConstantExpression(@1.5)]]; + NSArray *jsonExpression = @[@"-", @1.5, @[@"%", @1.5, @1]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"trunc:" arguments:@[MGLConstantExpression(@-1.5)]]; + NSArray *jsonExpression = @[@"-", @-1.5, @[@"%", @-1.5, @1]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-1); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"abs:" arguments:@[MGLConstantExpression(@2)]]; + NSArray *jsonExpression = @[@"*", @2, @[@"case", @[@">", @2, @0], @1, @-1]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"abs:" arguments:@[MGLConstantExpression(@-2)]]; + NSArray *jsonExpression = @[@"*", @-2, @[@"case", @[@">", @-2, @0], @1, @-1]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"floor:" arguments:@[MGLConstantExpression(@1.5)]]; + NSArray *jsonTruncation = @[@"-", @1.5, @[@"%", @1.5, @1]]; + NSArray *jsonExpression = @[@"-", jsonTruncation, @[@"case", @[@"<", @[@"%", @1.5, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"floor:" arguments:@[MGLConstantExpression(@-1.5)]]; + NSArray *jsonTruncation = @[@"-", @-1.5, @[@"%", @-1.5, @1]]; + NSArray *jsonExpression = @[@"-", jsonTruncation, @[@"case", @[@"<", @[@"%", @-1.5, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"floor:" arguments:@[MGLConstantExpression(@2)]]; + NSArray *jsonTruncation = @[@"-", @2, @[@"%", @2, @1]]; + NSArray *jsonExpression = @[@"-", jsonTruncation, @[@"case", @[@"<", @[@"%", @2, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @2); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"floor:" arguments:@[MGLConstantExpression(@-2)]]; + NSArray *jsonTruncation = @[@"-", @-2, @[@"%", @-2, @1]]; + NSArray *jsonExpression = @[@"-", jsonTruncation, @[@"case", @[@"<", @[@"%", @-2, @1], @0], @1, @0]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @-2); + } +} + +- (void)testTrigonometricExpressionObject { + NSArray *arguments = @[MGLConstantExpression(@1), MGLConstantExpression(@1)]; + { + NSExpression *expression = [NSExpression expressionForFunction:@"sqrt:" arguments:arguments]; + NSArray *jsonExpression = @[@"sqrt", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"ln:" arguments:arguments]; + NSArray *jsonExpression = @[@"ln", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"raise:toPower:" arguments:arguments]; + NSArray *jsonExpression = @[@"^", @1, @1]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"1 ** 1"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"exp:" arguments:@[MGLConstantExpression(@0)]]; + NSArray *jsonExpression = @[@"^", @[@"e"], @0]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @1); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForConstantValue:@(M_E)]; + NSArray *jsonExpression = @[@"e"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(M_E)); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForConstantValue:@(M_PI)]; + NSArray *jsonExpression = @[@"pi"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @(M_PI)); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testStringFormattingExpressionObject { + NSArray *arguments = @[MGLConstantExpression(@"MacDonald")]; + { + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION('Old', 'stringByAppendingString:', 'MacDonald')"]; + NSArray *jsonExpression = @[@"concat", @"Old", @"MacDonald"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @"OldMacDonald"); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"uppercase:" arguments:arguments]; + NSArray *jsonExpression = @[@"upcase", @"MacDonald"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionForFunction:@"lowercase:" arguments:arguments]; + NSArray *jsonExpression = @[@"downcase", @"MacDonald"]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testTypeConversionExpressionObject { + { + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(number, 'boolValue')"]; + NSArray *jsonExpression = @[@"to-boolean", @[@"get", @"number"]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + // NSExpression is unable to evaluate -[NSNumber boolValue] by itself + // because it returns a primitive instead of an object. + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'mgl_numberWithFallbackValues:', zipCode)"]; + NSArray *jsonExpression = @[@"to-number", @[@"get", @"postalCode"], @[@"get", @"zipCode"]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'doubleValue', zipCode)"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'floatValue', zipCode)"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"FUNCTION(postalCode, 'decimalValue', zipCode)"].mgl_jsonExpressionObject, jsonExpression); + // NSExpression is unable to evaluate NSNumber’s -floatValue, + // -doubleValue, or -decimalValue by themselves because they each return + // a primitive instead of an object. + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(number, 'stringValue')"]; + NSArray *jsonExpression = @[@"to-string", @[@"get", @"number"]]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:@{@"number": @1.5} context:nil], @"1.5"); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testInterpolationExpressionObject { + { + NSDictionary *stops = @{@0: MGLConstantExpression(@100), @10: MGLConstantExpression(@200)}; + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(x, 'mgl_interpolateWithCurveType:parameters:stops:', 'linear', nil, %@)", stops]; + NSArray *jsonExpression = @[@"interpolate", @[@"linear"], @[@"get", @"x"], @0, @100, @10, @200]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSDictionary *stops = @{@1: MGLConstantExpression(@2), @3: MGLConstantExpression(@6)}; + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(x, 'mgl_interpolateWithCurveType:parameters:stops:', 'exponential', 2, %@)", stops]; + NSArray *jsonExpression = @[@"interpolate", @[@"exponential", @2], @[@"get", @"x"], @1, @2, @3, @6]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSDictionary *stops = @{@0: MGLConstantExpression(@0), @100: MGLConstantExpression(@100)}; + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(x, 'mgl_interpolateWithCurveType:parameters:stops:', 'cubic-bezier', { 0.42, 0, 0.58, 1 }, %@)", stops]; + NSArray *jsonExpression = @[@"interpolate", @[@"cubic-bezier", @0.42, @0, @0.58, @1], @[@"get", @"x"], @0, @0, @100, @100]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSDictionary *stops = @{@0: MGLConstantExpression(@111), @1: MGLConstantExpression(@1111)}; + NSExpression *expression = [NSExpression expressionWithFormat:@"FUNCTION(x, 'mgl_stepWithMinimum:stops:', 11, %@)", stops]; + NSArray *jsonExpression = @[@"step", @[@"get", @"x"], @11, @0, @111, @1, @1111]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + +- (void)testConditionalExpressionObject { + { + NSPredicate *conditional = [NSPredicate predicateWithFormat:@"1 = 2"]; + NSExpression *trueExpression = [NSExpression expressionForConstantValue:@YES]; + NSExpression *falseExpression = [NSExpression expressionForConstantValue:@NO]; + NSExpression *expression = [NSExpression expressionForConditional:conditional trueExpression:trueExpression falseExpression:falseExpression]; + NSArray *jsonExpression = @[@"case", @[@"==", @1, @2], @YES, @NO]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([NSExpression expressionWithFormat:@"TERNARY(1 = 2, TRUE, FALSE)"].mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } + { + NSExpression *expression = [NSExpression expressionWithFormat:@"TERNARY(0 = 1, TRUE, TERNARY(1 = 2, TRUE, FALSE))"]; + NSArray *jsonExpression = @[@"case", @[@"==", @0, @1], @YES, @[@"==", @1, @2], @YES, @NO]; + XCTAssertEqualObjects(expression.mgl_jsonExpressionObject, jsonExpression); + XCTAssertEqualObjects([expression expressionValueWithObject:nil context:nil], @NO); + XCTAssertEqualObjects([NSExpression mgl_expressionWithJSONObject:jsonExpression], expression); + } +} + @end |