forked from whitequark/parser
/
test_source_range.rb
187 lines (155 loc) · 5.15 KB
/
test_source_range.rb
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# frozen_string_literal: true
require 'helper'
class TestSourceRange < Minitest::Test
def setup
@buf = Parser::Source::Buffer.new('(string)')
@buf.source = "foobar\nbaz"
@sr1_3 = Parser::Source::Range.new(@buf, 1, 3)
@sr2_2 = Parser::Source::Range.new(@buf, 2, 2)
@sr3_3 = Parser::Source::Range.new(@buf, 3, 3)
@sr2_6 = Parser::Source::Range.new(@buf, 2, 6)
@sr5_8 = Parser::Source::Range.new(@buf, 5, 8)
@sr5_7 = Parser::Source::Range.new(@buf, 5, 7)
@sr6_7 = Parser::Source::Range.new(@buf, 6, 7)
end
def test_initialize
assert_equal 1, @sr1_3.begin_pos
assert_equal 3, @sr1_3.end_pos
assert @sr1_3.frozen?
end
def test_size
assert_equal 4, @sr2_6.size
end
def test_bad_size
assert_raises ArgumentError do
Parser::Source::Range.new(@buf, 2, 1)
end
end
def test_join
sr = @sr1_3.join(@sr5_8)
assert_equal 1, sr.begin_pos
assert_equal 8, sr.end_pos
end
def test_intersect
assert_equal 2, @sr1_3.intersect(@sr2_6).begin_pos
assert_equal 3, @sr1_3.intersect(@sr2_6).end_pos
assert_equal 5, @sr2_6.intersect(@sr5_8).begin_pos
assert_equal 6, @sr2_6.intersect(@sr5_8).end_pos
assert @sr1_3.intersect(@sr5_8) == nil
assert_equal 2, @sr1_3.intersect(@sr2_2).begin_pos
assert_equal 2, @sr1_3.intersect(@sr2_2).end_pos
assert_equal 2, @sr2_2.intersect(@sr2_2).begin_pos
assert_equal 2, @sr2_2.intersect(@sr2_2).end_pos
end
def test_overlaps
assert !@sr1_3.overlaps?(@sr5_8)
assert @sr1_3.overlaps?(@sr2_6)
assert @sr2_6.overlaps?(@sr5_8)
assert @sr1_3.overlaps?(@sr2_2)
assert !@sr2_6.overlaps?(@sr2_2)
assert @sr2_2.overlaps?(@sr2_2)
end
def check_relationship(relationship, sr1, sr2, reflexive_relationship = relationship)
# Double check equality
assert_equal true, sr1 == sr1.dup
assert_equal true, sr1 != sr2
# Check relationships and reflexivity
assert_equal true, sr1.send(relationship, sr2)
assert_equal true, sr2.send(reflexive_relationship, sr1)
# Check it's not true for itself
assert_equal false, sr1.send(relationship, sr1)
# Check other relationships return false
others = %i[disjoint? crossing? contains? contained?] - [relationship, reflexive_relationship]
others.each do |other_rel|
assert_equal false, sr1.send(other_rel, sr2), other_rel
assert_equal false, sr2.send(other_rel, sr1), other_rel
end
end
def test_disjoint
check_relationship(:disjoint?, @sr1_3, @sr5_8)
check_relationship(:disjoint?, @sr2_2, @sr2_6)
check_relationship(:disjoint?, @sr2_2, @sr3_3)
check_relationship(:disjoint?, @sr2_6, @sr6_7)
end
def test_crossing
check_relationship(:crossing?, @sr1_3, @sr2_6)
end
def test_containment
check_relationship(:contained?, @sr2_2, @sr1_3, :contains?)
check_relationship(:contained?, @sr5_7, @sr5_8, :contains?)
check_relationship(:contained?, @sr6_7, @sr5_8, :contains?)
end
def test_order
assert_equal 0, @sr1_3 <=> @sr1_3
assert_equal(-1, @sr1_3 <=> @sr5_8)
assert_equal(-1, @sr2_2 <=> @sr2_6)
assert_equal(+1, @sr2_6 <=> @sr2_2)
assert_equal(-1, @sr1_3 <=> @sr2_6)
assert_equal(+1, @sr2_2 <=> @sr1_3)
assert_equal(-1, @sr1_3 <=> @sr2_2)
assert_equal(-1, @sr5_7 <=> @sr5_8)
assert_nil @sr1_3 <=> Parser::Source::Range.new(@buf.dup, 1, 3)
assert_nil @sr1_3 <=> 4
end
def test_empty
assert !@sr1_3.empty?
assert @sr2_2.empty?
end
def test_line
sr = Parser::Source::Range.new(@buf, 7, 8)
assert_equal 2, sr.line
end
def test_source_line
sr = Parser::Source::Range.new(@buf, 7, 8)
assert_equal 'baz', sr.source_line
end
def test_columns
sr = Parser::Source::Range.new(@buf, 7, 8)
assert_equal 0, sr.begin.column
assert_equal 1, sr.end.column
assert_equal 0...1, sr.column_range
end
def test_begin_end
sr_beg = @sr2_6.begin
assert_equal 2, sr_beg.begin_pos
assert_equal 2, sr_beg.end_pos
sr_end = @sr2_6.end
assert_equal 6, sr_end.begin_pos
assert_equal 6, sr_end.end_pos
end
def test_source
sr = Parser::Source::Range.new(@buf, 0, 3)
assert_equal 'foo', sr.source
sr_multi = Parser::Source::Range.new(@buf, 0, 10)
assert_equal "foobar\nbaz", sr_multi.source
end
def test_is?
sr = Parser::Source::Range.new(@buf, 0, 3)
assert sr.is?('foo')
refute sr.is?('bar')
end
def test_to_s
sr = Parser::Source::Range.new(@buf, 8, 9)
assert_equal '(string):2:2', sr.to_s
end
def test_with
sr2 = @sr1_3.with(begin_pos: 2)
sr3 = @sr1_3.with(end_pos: 4)
assert_equal 2, sr2.begin_pos
assert_equal 3, sr2.end_pos
assert_equal 1, sr3.begin_pos
assert_equal 4, sr3.end_pos
end
def test_eql_and_hash
assert_equal false, @sr1_3.eql?(@sr3_3)
assert @sr1_3.hash != @sr3_3.hash
also_1_3 = @sr3_3.with(begin_pos: 1)
assert_equal true, @sr1_3.eql?(also_1_3)
assert_equal @sr1_3.hash, also_1_3.hash
buf2 = Parser::Source::Buffer.new('(string)')
buf2.source = "foobar\nbaz"
from_other_buf = Parser::Source::Range.new(buf2, 1, 3)
assert_equal false, @sr1_3.eql?(from_other_buf)
assert @sr1_3.hash != from_other_buf.hash
end
end