Remove no longer needed test files.

These tests were sucecssfully converted to Rust files to include and are
no longer necessary in this repository.
Should they become relevant again in the future, they can always be
checked out from a previous commit.

parser/tests/specs/cpp2rust.rb

@@ -1,78 +0,0 @@
-#!/usr/bin/env ruby
-
-TEST_REGEX = /TEST_F\([a-zA-Z0-9_]+,\s+([a-zA-Z0-9_]+)\)/
-
-DISABLED_TESTS = %w(
-	test_ex7_10_plain_characters
-	test_ex7_17_flow_mapping_separate_values
-	test_ex7_21_single_pair_implicit_entries
-	test_ex7_2_empty_nodes
-	test_ex8_2_block_indentation_header
-)
-
-class Context
-	attr_accessor :name, :ev, :src
-	def initialize
-		@name = ""
-		@src = ""
-		@ev = []
-	end
-end
-
-class String
-	def snakecase
-		self
-		.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
-		.gsub(/([a-z\d])([A-Z])/, '\1_\2')
-		.tr('-', '_')
-		.gsub(/\s/, '_')
-		.gsub(/__+/, '_')
-		.downcase
-	end
-end
-
-ctx = nil
-
-tests = []
-IO.foreach(ARGV[0]) do |line|
-	line.strip!
-	if ctx
-		fail "unexpected TEST_F" if line =~ TEST_REGEX
-		if line =~ /^}/
-			tests << ctx
-			ctx = nil
-		end
-		if line =~ /^EXPECT_CALL/
-			fail 'not end with ;' unless line[-1] == ';'
-			v = line.gsub('(', ' ').gsub(')', ' ').split
-			ctx.ev << v[2]
-		end
-	else
-		next unless line =~ TEST_REGEX
-		name = $1
-		next unless name =~ /^(Ex\d+_\d+)/
-		str = $1.upcase
-		$stderr.puts "found #{name}"
-		ctx = Context.new
-		ctx.name = "test_#{name.snakecase}"
-		ctx.src = str
-	end
-end
-
-# code gen
-tests.each do |t|
-	next if t.ev.size == 0
-	if DISABLED_TESTS.include? t.name
-		puts "#[allow(dead_code)]"
-	else
-		puts "#[test]"
-	end
-	puts "fn #{t.name}() {"
-	puts "    let mut v = str_to_test_events(#{t.src}).into_iter();"
-	t.ev.each do |e|
-		puts "    assert_next!(v, TestEvent::#{e});"
-	end
-	puts "}"
-	puts
-end
-

parser/tests/specs/libyaml_fail-01.yaml

@@ -1,6 +0,0 @@
-# Ex 8.18
-plain key: in-line value
-:    # Both empty
-"quoted key":
-- entry
-

parser/tests/specs/libyaml_fail-02.yaml

@@ -1,7 +0,0 @@
-# Ex 7.17
-{
-unqoted : "separate",
-http://foo.com,
-omitted value:,
-: omitted key,
-}

parser/tests/specs/libyaml_fail-03.yaml

@@ -1,5 +0,0 @@
-# ex 7.2
-{
-        foo : !!str,
-        !!str : bar,
-}