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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| require 'spec_helper' | ||
|
|
||
| describe ID3Tag::Frames::V2::FrameFlags do | ||
| subject { described_class.new(flag_bytes, version) } | ||
|
|
||
| context "When major version is 2" do | ||
| let(:flag_bytes) { nil } | ||
| let(:version) { 2 } | ||
|
|
||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_false } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_false } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 0 } | ||
| its(:range_of_data_length_bytes) { should eq nil } | ||
| its(:range_of_group_id) { should eq nil } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when major version is 3" do | ||
| let(:version) { 3 } | ||
| context "when all flags are nulled" do | ||
| let(:flag_bytes) { [0b00000000, 0b00000000].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_false } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_false } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 0 } | ||
| its(:range_of_data_length_bytes) { should eq nil } | ||
| its(:range_of_group_id) { should eq nil } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when compression is on" do | ||
| let(:flag_bytes) { [0b00000000, 0b10000000].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_false } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 4 } | ||
| its(:range_of_data_length_bytes) { should eq 0...4 } | ||
| its(:range_of_group_id) { should eq nil } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when compression and group id is on" do | ||
| let(:flag_bytes) { [0b00000000, 0b10100000].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_true } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 5 } | ||
| its(:range_of_data_length_bytes) { should eq 0...4 } | ||
| its(:range_of_group_id) { should eq 3...4 } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when all flags are 1" do | ||
| let(:flag_bytes) { [0b11100000, 0b11100000].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_false } | ||
| its(:preserve_on_file_alteration?) { should be_false } | ||
| its(:read_only?) { should be_true } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_true } | ||
| its(:grouped?) { should be_true } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 6 } | ||
| its(:range_of_data_length_bytes) { should eq 0...4 } | ||
| its(:range_of_group_id) { should eq 3...4 } | ||
| its(:range_of_encryption_id) { should eq 4...5 } | ||
| end | ||
| end | ||
|
|
||
| context "when major version is 4" do | ||
| let(:version) { 4 } | ||
| context "when all flags are nulled" do | ||
| let(:flag_bytes) { [0b00000000, 0b00000000].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_false } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_false } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_false } | ||
| its(:additional_info_byte_count) { should eq 0 } | ||
| its(:range_of_data_length_bytes) { should eq nil } | ||
| its(:range_of_group_id) { should eq nil } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when compression is on" do | ||
| let(:flag_bytes) { [0b00000000, 0b10001001].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_false } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_true } | ||
| its(:additional_info_byte_count) { should eq 4 } | ||
| its(:range_of_data_length_bytes) { should eq 0...4 } | ||
| its(:range_of_group_id) { should eq nil } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when compression and group id is on" do | ||
| let(:flag_bytes) { [0b00000000, 0b01001001].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_true } | ||
| its(:preserve_on_file_alteration?) { should be_true } | ||
| its(:read_only?) { should be_false } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_false } | ||
| its(:grouped?) { should be_true } | ||
| its(:unsynchronised?) { should be_false } | ||
| its(:data_length_indicator?) { should be_true } | ||
| its(:additional_info_byte_count) { should eq 5 } | ||
| its(:range_of_data_length_bytes) { should eq 1...5 } | ||
| its(:range_of_group_id) { should eq 0...1 } | ||
| its(:range_of_encryption_id) { should eq nil } | ||
| end | ||
|
|
||
| context "when all flags are 1" do | ||
| let(:flag_bytes) { [0b01110000, 0b01001111].pack("C2") } | ||
| its(:preserve_on_tag_alteration?) { should be_false } | ||
| its(:preserve_on_file_alteration?) { should be_false } | ||
| its(:read_only?) { should be_true } | ||
| its(:compressed?) { should be_true } | ||
| its(:encrypted?) { should be_true } | ||
| its(:grouped?) { should be_true } | ||
| its(:unsynchronised?) { should be_true } | ||
| its(:data_length_indicator?) { should be_true } | ||
| its(:additional_info_byte_count) { should eq 6 } | ||
| its(:range_of_data_length_bytes) { should eq 2...6 } | ||
| its(:range_of_group_id) { should eq 0...1 } | ||
| its(:range_of_encryption_id) { should eq 1...2 } | ||
| end | ||
| end | ||
| end |
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