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| Original file line number | Diff line number | Diff line change |
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| //=----------------------------------------------------------------------------= | ||
| // This source file is part of the Numberick open source project. | ||
| // | ||
| // Copyright (c) 2023 Oscar Byström Ericsson | ||
| // Licensed under Apache License, Version 2.0 | ||
| // | ||
| // See http://www.apache.org/licenses/LICENSE-2.0 for license information. | ||
| //=----------------------------------------------------------------------------= | ||
|
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| #if DEBUG | ||
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| import NBKCoreKit | ||
| import NBKFlexibleWidthKit | ||
| import NBKSignedKit | ||
| import XCTest | ||
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| private typealias W = [UInt] | ||
| private typealias X = [UInt64] | ||
| private typealias Y = [UInt32] | ||
|
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| //*============================================================================* | ||
| // MARK: * NBK x Signed x Comparisons | ||
| //*============================================================================* | ||
|
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| final class NBKSignedTestsOnComparisonsAsSIntXL: XCTestCase { | ||
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| typealias T = NBKSigned<UIntXL> | ||
| typealias M = NBKSigned<UIntXL>.Magnitude | ||
| typealias D = NBKSigned<UIntXL>.Digit | ||
| typealias U = NBKSigned<UIntXL>.Digit.Magnitude | ||
|
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| //=------------------------------------------------------------------------= | ||
| // MARK: Tests | ||
| //=------------------------------------------------------------------------= | ||
|
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| func testIsZero() { | ||
| XCTAssertTrue (( T(0)).isZero) | ||
| XCTAssertTrue ((-T(0)).isZero) | ||
| XCTAssertFalse(( T(1)).isZero) | ||
| XCTAssertFalse((-T(1)).isZero) | ||
| } | ||
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| func testIsLessThanZero() { | ||
| XCTAssertFalse(( T(0)).isLessThanZero) | ||
| XCTAssertFalse((-T(0)).isLessThanZero) | ||
| XCTAssertFalse(( T(1)).isLessThanZero) | ||
| XCTAssertTrue ((-T(1)).isLessThanZero) | ||
| } | ||
|
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| func testIsMoreThanZero() { | ||
| XCTAssertFalse(( T(0)).isMoreThanZero) | ||
| XCTAssertFalse((-T(0)).isMoreThanZero) | ||
| XCTAssertTrue (( T(1)).isMoreThanZero) | ||
| XCTAssertFalse((-T(1)).isMoreThanZero) | ||
| } | ||
|
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| func testSignum() { | ||
| NBKAssertSignum(( T(0)), Int( 0)) | ||
| NBKAssertSignum((-T(0)), Int( 0)) | ||
| NBKAssertSignum(( T(1)), Int( 1)) | ||
| NBKAssertSignum((-T(1)), Int(-1)) | ||
| } | ||
|
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| //=------------------------------------------------------------------------= | ||
| // MARK: Tests | ||
| //=------------------------------------------------------------------------= | ||
|
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| func testHashing() { | ||
| var union = Set<T>() | ||
| union.insert( T(0)) | ||
| union.insert( T(0)) | ||
| union.insert(-T(0)) | ||
| union.insert(-T(0)) | ||
| union.insert( T(1)) | ||
| union.insert( T(1)) | ||
| union.insert(-T(1)) | ||
| union.insert(-T(1)) | ||
| XCTAssertEqual(union.count, 3) | ||
| } | ||
|
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| func testComparingLargeWithLarge() { | ||
| NBKAssertComparisons(T(M(words:[0, 2, 3, 4] as W)), T(M(words:[1, 2, 3, 4] as W)), -Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 0, 3, 4] as W)), T(M(words:[1, 2, 3, 4] as W)), -Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 0, 4] as W)), T(M(words:[1, 2, 3, 4] as W)), -Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 0] as W)), T(M(words:[1, 2, 3, 4] as W)), -Int(1)) | ||
| NBKAssertComparisons(T(M(words:[0, 2, 3, 4] as W)), T(M(words:[0, 2, 3, 4] as W)), Int(0)) | ||
| NBKAssertComparisons(T(M(words:[1, 0, 3, 4] as W)), T(M(words:[1, 0, 3, 4] as W)), Int(0)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 0, 4] as W)), T(M(words:[1, 2, 0, 4] as W)), Int(0)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 0] as W)), T(M(words:[1, 2, 3, 0] as W)), Int(0)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 4] as W)), T(M(words:[0, 2, 3, 4] as W)), Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 4] as W)), T(M(words:[1, 0, 3, 4] as W)), Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 4] as W)), T(M(words:[1, 2, 0, 4] as W)), Int(1)) | ||
| NBKAssertComparisons(T(M(words:[1, 2, 3, 4] as W)), T(M(words:[1, 2, 3, 0] as W)), Int(1)) | ||
| } | ||
|
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| //=------------------------------------------------------------------------= | ||
| // MARK: Tests x Digit (and Self) | ||
| //=------------------------------------------------------------------------= | ||
|
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| func testComparingSmallWithSmall() { | ||
| NBKAssertComparisonsByDigit( T(0), D(0), Int(0)) | ||
| NBKAssertComparisonsByDigit( T(0), -D(0), Int(0)) | ||
| NBKAssertComparisonsByDigit(-T(0), D(0), Int(0)) | ||
| NBKAssertComparisonsByDigit(-T(0), -D(0), Int(0)) | ||
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| NBKAssertComparisonsByDigit( T(1), D(1), Int(0)) | ||
| NBKAssertComparisonsByDigit( T(1), -D(1), Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(1), D(1), -Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(1), -D(1), Int(0)) | ||
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| NBKAssertComparisonsByDigit( T(2), D(3), -Int(1)) | ||
| NBKAssertComparisonsByDigit( T(2), -D(3), Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(2), D(3), -Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(2), -D(3), Int(1)) | ||
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| NBKAssertComparisonsByDigit( T(3), D(2), Int(1)) | ||
| NBKAssertComparisonsByDigit( T(3), -D(2), Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(3), D(2), -Int(1)) | ||
| NBKAssertComparisonsByDigit(-T(3), -D(2), -Int(1)) | ||
| } | ||
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| //=------------------------------------------------------------------------= | ||
| // MARK: Tests x Miscellaneous | ||
| //=------------------------------------------------------------------------= | ||
|
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| func testOverloadsAreUnambiguous() { | ||
| func becauseThisCompilesSuccessfully(_ x: inout T) { | ||
| XCTAssertNotNil(x.signum()) | ||
| } | ||
| } | ||
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| func testOverloadsAreUnambiguousWhenUsingIntegerLiterals() { | ||
| func becauseThisCompilesSuccessfully(_ x: inout T) { | ||
| XCTAssertNotNil(x.compared(to: 0)) | ||
| } | ||
| } | ||
| } | ||
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| //*============================================================================* | ||
| // MARK: * NBK x Signed x Comparisons x Assertions | ||
| //*============================================================================* | ||
|
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| private func NBKAssertSignum<M>( | ||
| _ operand: NBKSigned<M>, _ signum: Int, | ||
| file: StaticString = #file, line: UInt = #line) { | ||
| XCTAssertEqual(Int(operand.signum() as Int), signum, file: file, line: line) | ||
| } | ||
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| private func NBKAssertComparisons<M>( | ||
| _ lhs: NBKSigned<M>, _ rhs: NBKSigned<M>, _ signum: Int, | ||
| file: StaticString = #file, line: UInt = #line) { | ||
| XCTAssertEqual(lhs == rhs, signum == 0, file: file, line: line) | ||
| XCTAssertEqual(lhs != rhs, signum != 0, file: file, line: line) | ||
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| XCTAssertEqual(lhs < rhs, signum == -1, file: file, line: line) | ||
| XCTAssertEqual(lhs <= rhs, signum != 1, file: file, line: line) | ||
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| XCTAssertEqual(lhs > rhs, signum == 1, file: file, line: line) | ||
| XCTAssertEqual(lhs >= rhs, signum != -1, file: file, line: line) | ||
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| XCTAssertEqual(lhs.compared(to: rhs), signum, file: file, line: line) | ||
| } | ||
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| private func NBKAssertComparisonsByDigit<M>( | ||
| _ lhs: NBKSigned<M>, _ rhs: NBKSigned<M>.Digit, _ signum: Int, | ||
| file: StaticString = #file, line: UInt = #line) { | ||
| //=------------------------------------------= | ||
| NBKAssertComparisons(lhs, NBKSigned<M>(digit: rhs), signum) | ||
| //=------------------------------------------= | ||
| XCTAssertEqual(lhs.compared(to: rhs), signum, file: file, line: line) | ||
| } | ||
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| #endif |
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