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Contents
if !System.get_env("EXERCISM_TEST_EXAMPLES") do
Code.load_file("matrix.exs", __DIR__)
end
ExUnit.start()
ExUnit.configure(trace: true, exclude: :pending)
defmodule MatrixTest do
use ExUnit.Case
@input "1 2 3\n4 5 6\n7 8 9"
# @tag :pending
test "reading from and writing to string" do
matrix = Matrix.from_string(@input)
assert Matrix.to_string(matrix) == @input
end
@tag :pending
test "rows should return nested lists regardless of internal structure" do
matrix = Matrix.from_string(@input)
assert Matrix.rows(matrix) == [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
]
end
@tag :pending
test "row should return list at index" do
matrix = Matrix.from_string(@input)
assert Matrix.row(matrix, 0) == [1, 2, 3]
assert Matrix.row(matrix, 1) == [4, 5, 6]
assert Matrix.row(matrix, 2) == [7, 8, 9]
end
@tag :pending
test "columns should return nested lists regardless of internal structure" do
matrix = Matrix.from_string(@input)
assert Matrix.columns(matrix) == [
[1, 4, 7],
[2, 5, 8],
[3, 6, 9]
]
end
@tag :pending
test "column should return list at index" do
matrix = Matrix.from_string(@input)
assert Matrix.column(matrix, 0) == [1, 4, 7]
assert Matrix.column(matrix, 1) == [2, 5, 8]
assert Matrix.column(matrix, 2) == [3, 6, 9]
end
end
Version data entries
69 entries across 69 versions & 1 rubygems