diff --git a/tests/testthat/test.convertedBaseFunctions.R b/tests/testthat/test.convertedBaseFunctions.R
new file mode 100644
index 0000000..364284f
--- /dev/null
+++ b/tests/testthat/test.convertedBaseFunctions.R
@@ -0,0 +1,45 @@
+context("Basic Matlab functions")
+
+test_that("rand works properly", {
+    expect_equal(dim(rand()), c(1, 1))
+    expect_equal(dim(rand(1, 2)), c(1, 2))
+    expect_equal(dim(rand(3, 2)), c(3, 2))
+})
+
+test_that("repmat works properly", {
+    mx <- matrix(1:4)
+    expect_equal(repmat(1:4, 1), mx)
+    expect_equal(repmat(1:4, 2), t(cbind(rbind(mx, mx), rbind(mx, mx))))
+    expect_equal(
+        object = repmat(1:4, c(2, 3)),
+        expected = t(cbind(rbind(mx, mx), rbind(mx, mx), rbind(mx, mx)))
+    )
+    expect_equal(
+        object = repmat(1:4, c(4, 1)),
+        expected = rbind(mx, mx, mx, mx)
+    )
+})
+
+test_that("zeros and ones work as expected", {
+    expect_equal(zeros(1), matrix(0, 1))
+    expect_equal(zeros(2), matrix(0, 2, 2))
+    expect_equal(zeros(2, 1), matrix(0, 2, 1))
+    expect_equal(zeros(1, 10), matrix(0, 1, 10))
+    expect_equal(ones(8), matrix(1, 8, 8))
+    expect_equal(ones(5, 2), matrix(1, 5, 2))
+    expect_equal(ones(2, 100), matrix(1, 2, 100))
+})
+
+test_that("times works as expected", {
+    expect_equal(times(9, 6), as.matrix(54))
+    expect_equal(times(9, c(.8, 9)), as.matrix(c(7.2, 81)))
+    expect_equal(times(c(.8, 9), 5), as.matrix(c(4, 45)))
+    expect_equal(times(matrix(1:4, 2), 5), matrix(c(5, 10, 15, 20), 2))
+    expect_equal(times(5, matrix(1:4, 2)), matrix(c(5, 10, 15, 20), 2))
+    expect_equal(times(matrix(1:4, 2), c(10, 3)), matrix(c(10, 20, 9, 12), 2))
+    expect_equal(times(c(10, 3), matrix(1:4, 2)), matrix(c(10, 20, 9, 12), 2))
+    expect_equal(
+        object = times(matrix(c(10, -5, 3, 9), 2), matrix(1:4, 2)),
+        expected = matrix(c(10, -10, 9, 36), 2)
+    )
+})
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