summaryrefslogtreecommitdiff
path: root/spec/ruby/core/string/unpack/shared/basic.rb
blob: bb5302edc5323b7b8bfec89d042f6ed606fa3bc7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
describe :string_unpack_basic, shared: true do
  it "ignores whitespace in the format string" do
    "abc".unpack("a \t\n\v\f\r"+unpack_format).should be_an_instance_of(Array)
  end

  it "calls #to_str to coerce the directives string" do
    d = mock("unpack directive")
    d.should_receive(:to_str).and_return("a"+unpack_format)
    "abc".unpack(d).should be_an_instance_of(Array)
  end
end

describe :string_unpack_no_platform, shared: true do
  it "raises an ArgumentError when the format modifier is '_'" do
    -> { "abcdefgh".unpack(unpack_format("_")) }.should raise_error(ArgumentError)
  end

  it "raises an ArgumentError when the format modifier is '!'" do
    -> { "abcdefgh".unpack(unpack_format("!")) }.should raise_error(ArgumentError)
  end
end