diff options
Diffstat (limited to 'test/ruby/test_lambda.rb')
| -rw-r--r-- | test/ruby/test_lambda.rb | 289 |
1 files changed, 4 insertions, 285 deletions
diff --git a/test/ruby/test_lambda.rb b/test/ruby/test_lambda.rb index 9949fab8c7..ae12c6d609 100644 --- a/test/ruby/test_lambda.rb +++ b/test/ruby/test_lambda.rb @@ -1,4 +1,3 @@ -# frozen_string_literal: false require 'test/unit' class TestLambdaParameters < Test::Unit::TestCase @@ -26,15 +25,8 @@ class TestLambdaParameters < Test::Unit::TestCase def test_lambda_as_iterator a = 0 2.times(&->(_){ a += 1 }) - assert_equal(2, a) + assert_equal(a, 2) assert_raise(ArgumentError) {1.times(&->(){ a += 1 })} - bug9605 = '[ruby-core:61468] [Bug #9605]' - assert_nothing_raised(ArgumentError, bug9605) {1.times(&->(n){ a += 1 })} - assert_equal(3, a, bug9605) - assert_nothing_raised(ArgumentError, bug9605) { - a = %w(Hi there how are you).each_with_index.detect(&->(w, i) {w.length == 3}) - } - assert_equal(["how", 2], a, bug9605) end def test_call_rest_args @@ -63,177 +55,9 @@ class TestLambdaParameters < Test::Unit::TestCase assert_equal(nil, ->(&b){ b }.call) foo { puts "bogus block " } assert_equal(1, ->(&b){ b.call }.call { 1 }) - _b = nil - assert_equal(1, ->(&_b){ _b.call }.call { 1 }) - assert_nil(_b) - end - - def test_call_block_from_lambda - bug9605 = '[ruby-core:61470] [Bug #9605]' - plus = ->(x,y) {x+y} - assert_raise(ArgumentError, bug9605) {proc(&plus).call [1,2]} - end - - def test_proc_inside_lambda_inside_method_return_inside_lambda_inside_method - def self.a - -> do - p = Proc.new{return :a} - p.call - end.call - end - assert_equal(:a, a) - - def self.b - lambda do - p = Proc.new{return :b} - p.call - end.call - end - assert_equal(:b, b) - end - - def test_proc_inside_lambda_inside_method_return_inside_lambda_outside_method - def self.a - -> do - p = Proc.new{return :a} - p.call - end - end - assert_equal(:a, a.call) - - def self.b - lambda do - p = Proc.new{return :b} - p.call - end - end - assert_equal(:b, b.call) - end - - def test_proc_inside_lambda_inside_method_return_outside_lambda_inside_method - def self.a - -> do - Proc.new{return :a} - end.call.call - end - assert_raise(LocalJumpError) {a} - - def self.b - lambda do - Proc.new{return :b} - end.call.call - end - assert_raise(LocalJumpError) {b} - end - - def test_proc_inside_lambda_inside_method_return_outside_lambda_outside_method - def self.a - -> do - Proc.new{return :a} - end - end - assert_raise(LocalJumpError) {a.call.call} - - def self.b - lambda do - Proc.new{return :b} - end - end - assert_raise(LocalJumpError) {b.call.call} - end - - def test_proc_inside_lambda2_inside_method_return_outside_lambda1_inside_method - def self.a - -> do - -> do - Proc.new{return :a} - end.call.call - end.call - end - assert_raise(LocalJumpError) {a} - - def self.b - lambda do - lambda do - Proc.new{return :a} - end.call.call - end.call - end - assert_raise(LocalJumpError) {b} - end - - def test_proc_inside_lambda_toplevel - assert_separately [], <<~RUBY - lambda{ - $g = proc{ return :pr } - }.call - begin - $g.call - rescue LocalJumpError - # OK! - else - raise - end - RUBY - end - - def pass_along(&block) - lambda(&block) - end - - def pass_along2(&block) - pass_along(&block) - end - - def test_create_non_lambda_for_proc_one_level - prev_warning, Warning[:deprecated] = Warning[:deprecated], false - f = pass_along {} - refute_predicate(f, :lambda?, '[Bug #15620]') - assert_nothing_raised(ArgumentError) { f.call(:extra_arg) } - ensure - Warning[:deprecated] = prev_warning - end - - def test_create_non_lambda_for_proc_two_levels - prev_warning, Warning[:deprecated] = Warning[:deprecated], false - f = pass_along2 {} - refute_predicate(f, :lambda?, '[Bug #15620]') - assert_nothing_raised(ArgumentError) { f.call(:extra_arg) } - ensure - Warning[:deprecated] = prev_warning - end - - def test_instance_exec - bug12568 = '[ruby-core:76300] [Bug #12568]' - assert_nothing_raised(ArgumentError, bug12568) do - instance_exec([1,2,3], &->(a=[]){ a }) - end - end - - def test_instance_eval_return - bug13090 = '[ruby-core:78917] [Bug #13090] cannot return in lambdas' - x = :ng - assert_nothing_raised(LocalJumpError) do - x = instance_eval(&->(_){return :ok}) - end - ensure - assert_equal(:ok, x, bug13090) - end - - def test_instance_exec_return - bug13090 = '[ruby-core:78917] [Bug #13090] cannot return in lambdas' - x = :ng - assert_nothing_raised(LocalJumpError) do - x = instance_exec(&->(){return :ok}) - end - ensure - assert_equal(:ok, x, bug13090) - end - - def test_arity_error - assert_raise(ArgumentError, '[Bug #12705]') do - [1, 2].tap(&lambda {|a, b|}) - end + b = nil + assert_equal(1, ->(&b){ b.call }.call { 1 }) + assert_nil(b) end def foo @@ -246,109 +70,4 @@ class TestLambdaParameters < Test::Unit::TestCase BasicObject.new.instance_eval {->() {called = true}.()} assert_equal(true, called, bug5966) end - - def test_location_on_error - bug6151 = '[ruby-core:43314]' - called = 0 - line, f = __LINE__, lambda do - called += 1 - true - end - e = assert_raise(ArgumentError) do - f.call(42) - end - assert_send([e.backtrace.first, :start_with?, "#{__FILE__}:#{line}:"], bug6151) - assert_equal(0, called) - e = assert_raise(ArgumentError) do - 42.times(&f) - end - assert_send([e.backtrace.first, :start_with?, "#{__FILE__}:#{line}:"], bug6151) - assert_equal(0, called) - end - - def return_in_current(val) - 1.tap(&->(*) {return 0}) - val - end - - def yield_block - yield - end - - def return_in_callee(val) - yield_block(&->(*) {return 0}) - val - end - - def test_return - feature8693 = '[ruby-core:56193] [Feature #8693]' - assert_equal(42, return_in_current(42), feature8693) - assert_equal(42, return_in_callee(42), feature8693) - end - - def break_in_current(val) - 1.tap(&->(*) {break 0}) - val - end - - def break_in_callee(val) - yield_block(&->(*) {break 0}) - val - end - - def test_break - assert_equal(42, break_in_current(42)) - assert_equal(42, break_in_callee(42)) - end - - def test_do_lambda_source_location - exp_lineno = __LINE__ + 3 - lmd = ->(x, - y, - z) do - # - end - file, lineno = lmd.source_location - assert_match(/^#{ Regexp.quote(__FILE__) }$/, file) - assert_equal(exp_lineno, lineno, "must be at the beginning of the block") - end - - def test_brace_lambda_source_location - exp_lineno = __LINE__ + 3 - lmd = ->(x, - y, - z) { - # - } - file, lineno = lmd.source_location - assert_match(/^#{ Regexp.quote(__FILE__) }$/, file) - assert_equal(exp_lineno, lineno, "must be at the beginning of the block") - end - - def test_not_orphan_return - assert_equal(42, Module.new { extend self - def m1(&b) b.call end; def m2(); m1(&-> { return 42 }) end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { return 42 }).call end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { return 42 }) end }.m2.call) - end - - def test_not_orphan_break - assert_equal(42, Module.new { extend self - def m1(&b) b.call end; def m2(); m1(&-> { break 42 }) end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { break 42 }).call end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { break 42 }) end }.m2.call) - end - - def test_not_orphan_next - assert_equal(42, Module.new { extend self - def m1(&b) b.call end; def m2(); m1(&-> { next 42 }) end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { next 42 }).call end }.m2) - assert_equal(42, Module.new { extend self - def m1(&b) b end; def m2(); m1(&-> { next 42 }) end }.m2.call) - end end |
