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// RUN: %target-run-simple-swiftgyb
// REQUIRES: executable_test
import StdlibUnittest
var TupleTestSuite = TestSuite("Tuple")
// Test tuple comparison operators
// all the tuple types use the same basic implementation for the operators
// so testing any arity tests the logic for them all.
// Include at least one invocation for all arities as a soundness check.
% maxArity = 6 # the highest arity the operators are defined for
func testEquality<A : Equatable, B : Equatable, C : Equatable>(
_ lhs: (A, B, C), equal: Bool, to rhs: (A, B, C),
//===--- TRACE boilerplate ----------------------------------------------===//
_ message: @autoclosure () -> String = "",
showFrame: Bool = true,
stackTrace: SourceLocStack = SourceLocStack(),
file: String = #file, line: UInt = #line
) {
let trace = stackTrace.pushIf(showFrame, file: file, line: line)
expectEqual(equal, lhs == rhs, stackTrace: trace)
expectEqual(equal, rhs == lhs, stackTrace: trace)
expectEqual(!equal, lhs != rhs, stackTrace: trace)
expectEqual(!equal, rhs != lhs, stackTrace: trace)
}
TupleTestSuite.test("Tuple/equality") {
testEquality((1,2,3), equal: true, to: (1,2,3))
testEquality((1,2,3), equal: false, to: (1,2,4))
testEquality((1,2,3), equal: false, to: (1,3,3))
testEquality((1,2,3), equal: false, to: (2,2,3))
testEquality((1,"2",3), equal: true, to: (1,"2",3))
testEquality((1,"2",3), equal: false, to: (1,"3",3))
testEquality(("one", 2.2, 3..<5), equal: true, to: ("one", 2.2, 3..<5))
testEquality((1.0, 2.0, 3.0), equal: false, to: (1.0, 2.0, .nan))
testEquality((1.0, 2.0, 3.0), equal: false, to: (1.0, .nan, 3.0))
testEquality((1.0, 2.0, 3.0), equal: false, to: (.nan, 2.0, 3.0))
testEquality((1.0, 2.0, 3.0), equal: false, to: (.nan, .nan, .nan))
testEquality((1.0, 2.0, Float.nan), equal: false, to: (1.0, 2.0, 3.0))
testEquality((1.0, 2.0, Float.nan), equal: false, to: (1.0, 2.0, Float.nan))
testEquality((Float.nan, Float.nan, Float.nan), equal: false, to: (.nan, .nan, .nan))
testEquality((Float.nan, Float.nan, Float.nan), equal: false, to: (1.0, 2.0, 3.0))
expectTrue((1,2) == (1,2))
expectTrue((1,2) != (1,3))
expectTrue((1,2,3,4) == (1,2,3,4))
expectTrue((1,2,3,4) != (1,2,3,3))
expectTrue((1,2,3,4,5) == (1,2,3,4,5))
expectTrue((1,2,3,4,5) != (1,2,3,4,4))
expectTrue((1,2,3,4,5,6) == (1,2,3,4,5,6))
expectTrue((1,2,3,4,5,6) != (1,2,3,4,5,5))
}
TupleTestSuite.test("Tuple/equality/sanity-check") {
// soundness check all arities
expectTrue(() == ())
expectFalse(() != ())
expectFalse(() < ())
expectTrue(() <= ())
expectFalse(() > ())
expectTrue(() >= ())
% for arity in range(2, maxArity + 1):
% a = str(tuple(range(1, arity + 1)))
% b = "({}, 0)".format(", ".join([str(i) for i in range(1, arity)]))
% c = "(0, {})".format(", ".join([str(i) for i in range(2, arity + 1)]))
expectTrue(${a} == ${a})
expectTrue(${a} != ${b})
expectTrue(${b} != ${a})
expectTrue(${a} != ${c})
expectTrue(${c} != ${a})
% end
}
enum Ordering : Equatable {
case LessThan
case EqualTo
case GreaterThan
case UnorderedWith // Comparable defines strict total order, but Float disobeys that with NaN
var isLT: Bool {
return self == .LessThan
}
var isEQ: Bool {
return self == .EqualTo
}
var isGT: Bool {
return self == .GreaterThan
}
}
func testOrdering<A : Comparable, B : Comparable, C : Comparable>(
_ lhs: (A, B, C), _ ordering: Ordering, _ rhs: (A, B, C),
//===--- TRACE boilerplate ----------------------------------------------===//
_ message: @autoclosure () -> String = "",
showFrame: Bool = true,
stackTrace: SourceLocStack = SourceLocStack(),
file: String = #file, line: UInt = #line
) {
let trace = stackTrace.pushIf(showFrame, file: file, line: line)
expectEqual(ordering.isLT, lhs < rhs, stackTrace: trace)
expectEqual(ordering.isLT, rhs > lhs, stackTrace: trace)
expectEqual(ordering.isLT || ordering.isEQ, lhs <= rhs, stackTrace: trace)
expectEqual(ordering.isLT || ordering.isEQ, rhs >= lhs, stackTrace: trace)
expectEqual(ordering.isGT, lhs > rhs, stackTrace: trace)
expectEqual(ordering.isGT, rhs < lhs, stackTrace: trace)
expectEqual(ordering.isGT || ordering.isEQ, lhs >= rhs, stackTrace: trace)
expectEqual(ordering.isGT || ordering.isEQ, rhs <= lhs, stackTrace: trace)
}
TupleTestSuite.test("Tuple/comparison") {
testOrdering((1,2,3), .EqualTo, (1,2,3))
testOrdering((1,2,3), .LessThan, (1,2,4))
testOrdering((1,2,3), .GreaterThan, (1,2,2))
testOrdering((1,3,2), .GreaterThan, (1,2,3))
testOrdering((0,2,3), .LessThan, (1,2,3))
testOrdering((3,2,1), .GreaterThan, (1,2,3))
testOrdering(("one", 2, 3.3), .EqualTo, ("one", 2, 3.3))
testOrdering(("one", 2, 3.3), .LessThan, ("one", 2, 3.4))
testOrdering(("on", 2, 3.3), .LessThan, ("one", 1, 3.2))
testOrdering((1, 2, Float.nan), .UnorderedWith, (1, 2, .nan))
testOrdering((1, Float.nan, 3), .UnorderedWith, (1, 2, 3))
testOrdering((Double.nan, 2, 3), .UnorderedWith, (.nan, 2, 3))
testOrdering((Float.nan, Float.nan, Float.nan), .UnorderedWith, (1, 2, 3))
testOrdering((1, 2, 3.0), .UnorderedWith, (1, 2, .nan))
testOrdering((1, 2, 3.0), .LessThan, (1, 3, .nan))
testOrdering((1, 2, 3.0), .GreaterThan, (1, 1, .nan))
testOrdering((1, 2.0, 3), .LessThan, (2, .nan, 3))
testOrdering((1, 2.0, 3), .GreaterThan, (0, .nan, 3))
testOrdering((1, 2, Float.nan), .LessThan, (1, 3, 3.0))
testOrdering((1, Float.nan, 3), .GreaterThan, (0, 2.0, 3))
testOrdering(("one", "two", 3.0), .GreaterThan, ("a", "b", .nan))
testOrdering(("one", "two", .nan), .GreaterThan, ("a", "b", 3.0))
testOrdering((1.0, "two", "three"), .UnorderedWith, (.nan, "two", "four"))
testOrdering((.nan, "two", "three"), .UnorderedWith, (1.0, "two", "four"))
}
TupleTestSuite.test("Tuple/comparison/sanity-check") {
// soundness check all arities
% for arity in range(2, maxArity + 1):
% a = str(tuple(range(1, arity + 1)))
% b = "({}, 0)".format(", ".join([str(i) for i in range(1, arity)]))
% c = "(0, {})".format(", ".join([str(i) for i in range(2, arity + 1)]))
expectTrue(${b} < ${a})
expectTrue(${b} <= ${a})
expectTrue(${a} > ${c})
expectTrue(${a} >= ${c})
% end
}
runAllTests()
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