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Versions: 86
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Stored size: 1.35 KB
Contents
require "spec"
require "../src/*"
describe "PascalsTriangle" do
it "will return the first 0 row(s)" do
PascalsTriangle.rows(0).should eq([] of Int32)
end
pending "will return the first 1 row(s)" do
PascalsTriangle.rows(1).should eq([[1]])
end
pending "will return the first 2 row(s)" do
PascalsTriangle.rows(2).should eq([[1], [1, 1]])
end
pending "will return the first 3 row(s)" do
PascalsTriangle.rows(3).should eq([[1], [1, 1], [1, 2, 1]])
end
pending "will return the first 4 row(s)" do
PascalsTriangle.rows(4).should eq([[1], [1, 1], [1, 2, 1], [1, 3, 3, 1]])
end
pending "will return the first 5 row(s)" do
PascalsTriangle.rows(5).should eq([[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1]])
end
pending "will return the first 6 row(s)" do
PascalsTriangle.rows(6).should eq([[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1], [1, 5, 10, 10, 5, 1]])
end
pending "will return the first 10 row(s)" do
PascalsTriangle.rows(10).should eq([[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]])
end
pending "will raise an Argument error for negative rows" do
expect_raises(ArgumentError) do
PascalsTriangle.rows(-1)
end
end
end
Version data entries
86 entries across 86 versions & 1 rubygems