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Added unit tests for matrix arithmetic #108

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Merged
merged 9 commits into from
Aug 29, 2019
Merged

Added unit tests for matrix arithmetic #108

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dd78037
Added unit tests for matrix arithmetic
regexident Aug 6, 2019
3e13863
Renamed existing remaining test functions to match naming scheme
regexident Aug 6, 2019
5597cef
Fix formatting
regexident Aug 6, 2019
489b817
Fixed swiftlint violations
regexident Aug 6, 2019
21caeec
Fixed failing unit test due to large float and resulting decreased ac…
regexident Aug 6, 2019
b2db8c9
Removed unused test function
regexident Aug 11, 2019
eed94e4
Moved computed test values into local `let actual` binding
regexident Aug 11, 2019
964ef19
Added missing unit tests for matrix initializers
regexident Aug 11, 2019
0c8f39e
Fixed unit tests for `Matrix.sum(_:axies:)`
regexident Aug 11, 2019
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Added missing unit tests for matrix initializers
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@regexident
regexident committed Aug 29, 2019
commit 964ef19ec18c59d376bd3e835080af6d3d451d66
93 changes: 88 additions & 5 deletions Tests/SurgeTests/MatrixTests.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -46,12 +46,95 @@ class MatrixTests: XCTestCase {
return self.matrixDouble
}

func test_init() {
let m1 = Matrix([[1.0, 2.0]])
XCTAssertEqual(m1.grid, [1.0, 2.0])
func test_init_rows_columns_repeatedValue() {
typealias Scalar = Double

let actual: Matrix<Scalar> = Matrix(rows: 2, columns: 3, repeatedValue: 42.0)
let expected: Matrix<Scalar> = [
[42.0, 42.0, 42.0],
[42.0, 42.0, 42.0],
]

XCTAssertEqual(actual, expected)
}

func test_init_contents() {
typealias Scalar = Double

let contents: [[Scalar]] = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12],
]

let actual: Matrix<Scalar> = Matrix(contents)
let expected: Matrix<Scalar> = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12],
]

XCTAssertEqual(actual, expected)
}

func test_init_row() {
typealias Scalar = Double

let row: [Scalar] = [1, 2, 3, 4]

let actual: Matrix<Scalar> = Matrix(row: row)
let expected: Matrix<Scalar> = [
[1, 2, 3, 4],
]

XCTAssertEqual(actual, expected)
}

func test_init_column() {
typealias Scalar = Double

let column: [Scalar] = [1, 2, 3, 4]

let m2 = Matrix([[1, 1], [1, -1]])
XCTAssertEqual(m2.grid, [1, 1, 1, -1])
let actual: Matrix<Scalar> = Matrix(column: column)
let expected: Matrix<Scalar> = [
[1],
[2],
[3],
[4],
]

XCTAssertEqual(actual, expected)
}

func test_init_rows_columns_grid() {
typealias Scalar = Double

let grid: [Scalar] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

let actual: Matrix<Scalar> = Matrix(rows: 3, columns: 4, grid: grid)
let expected: Matrix<Scalar> = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12],
]

XCTAssertEqual(actual, expected)
}

func test_grid() {
typealias Scalar = Double

let contents: [[Scalar]] = [
[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12],
]
let matrix: Matrix<Scalar> = Matrix(contents)

let actual = matrix.grid
let expected: [Scalar] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]

XCTAssertEqual(actual, expected)
}

func test_subscript_row_get() {
Expand Down