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Contents
-module(pascals_triangle_tests).
-include_lib("erl_exercism/include/exercism.hrl").
-include_lib("eunit/include/eunit.hrl").
% test cases adapted from `x-common//canonical-data.json` @ version: 1.3.0
zero_row_test() ->
?assertEqual([], pascals_triangle:gen_pascals_triangle(0)).
one_row_test() ->
?assertEqual([[1]], pascals_triangle:gen_pascals_triangle(1)).
two_rows_test() ->
?assertEqual([[1], [1, 1]], pascals_triangle:gen_pascals_triangle(2)).
three_rows_test() ->
?assertEqual([[1], [1, 1], [1, 2, 1]], pascals_triangle:gen_pascals_triangle(3)).
four_rows_test() ->
?assertEqual(
[[1], [1, 1], [1, 2, 1], [1, 3, 3, 1]],
pascals_triangle:gen_pascals_triangle(4)).
five_rows_test() ->
?assertEqual(
[[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1]],
pascals_triangle:gen_pascals_triangle(5)).
six_rows_test() ->
?assertEqual(
[[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1], [1, 5, 10, 10, 5, 1]],
pascals_triangle:gen_pascals_triangle(6)).
ten_rows_test() ->
?assertEqual(
[[1],
[1, 1],
[1, 2, 1],
[1, 3, 3, 1],
[1, 4, 6, 4, 1],
[1, 5, 10, 10, 5, 1],
[1, 6, 15, 20, 15, 6, 1],
[1, 7, 21, 35, 35, 21, 7, 1],
[1, 8, 28, 56, 70, 56, 28, 8, 1],
[1, 9, 36, 84, 126, 126, 84, 36, 9, 1]],
pascals_triangle:gen_pascals_triangle(10)).
negative_rows_test() ->
?assertEqual(-1, pascals_triangle:gen_pascals_triangle(-1)).
Version data entries
40 entries across 40 versions & 1 rubygems