59 lines
No EOL
2 KiB
R
59 lines
No EOL
2 KiB
R
context("Basic Matlab functions")
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test_that("rand works properly", {
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expect_equal(dim(rand()), c(1, 1))
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expect_equal(dim(rand(1, 2)), c(1, 2))
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expect_equal(dim(rand(3, 2)), c(3, 2))
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})
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test_that("repmat works properly", {
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mx0 <- c(1:4) # when converted to matrix, results in a column vector
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mx1 <- matrix(5:8)
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mx2 <- matrix(0:-3, 2)
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expect_error(repmat(mx0))
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expect_equal(repmat(mx0, 1), as.matrix(mx0))
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expect_equal(
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object = repmat(mx0, 2),
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expected = unname(t(cbind(rbind(mx0, mx0), rbind(mx0, mx0))))
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)
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expect_equal(
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object = repmat(mx1, 2),
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expected = unname(cbind(rbind(mx1, mx1), rbind(mx1, mx1)))
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)
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expect_equal(
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object = repmat(mx2, c(2, 3)),
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expected = cbind(rbind(mx2, mx2), rbind(mx2, mx2), rbind(mx2, mx2))
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)
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expect_equal(
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object = repmat(mx2, c(4, 1)),
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expected = rbind(mx2, mx2, mx2, mx2)
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)
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})
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test_that("zeros and ones work as expected", {
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expect_equal(zeros(1), matrix(0, 1))
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expect_equal(zeros(2), matrix(0, 2, 2))
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expect_equal(zeros(2, 1), matrix(0, 2, 1))
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expect_equal(zeros(1, 10), matrix(0, 1, 10))
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expect_equal(ones(8), matrix(1, 8, 8))
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expect_equal(ones(5, 2), matrix(1, 5, 2))
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expect_equal(ones(2, 100), matrix(1, 2, 100))
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})
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test_that("times works as expected", {
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expect_equal(times(9, 6), as.matrix(54))
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expect_equal(times(9, c(.8, 9)), as.matrix(c(7.2, 81)))
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expect_equal(times(c(.8, 9), 5), as.matrix(c(4, 45)))
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expect_equal(times(matrix(1:4, 2), 5), matrix(c(5, 10, 15, 20), 2))
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expect_equal(times(5, matrix(1:4, 2)), matrix(c(5, 10, 15, 20), 2))
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expect_equal(times(matrix(1:4, 2), c(10, 3)), matrix(c(10, 6, 30, 12), 2))
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expect_equal(
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object = times(matrix(1:4, 2), matrix(c(10, 3), 1)),
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expected = matrix(c(10, 20, 9, 12), 2)
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)
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expect_equal(times(c(10, 3), matrix(1:4, 2)), matrix(c(10, 6, 30, 12), 2))
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expect_equal(
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object = times(matrix(c(10, -5, 3, 9), 2), matrix(1:4, 2)),
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expected = matrix(c(10, -10, 9, 36), 2)
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)
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}) |