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|
# frozen_string_literal: true
# This file is organized to match itemization in https://github.com/ruby/prism/issues/1335
module Prism
class TestCompilePrism < Test::Unit::TestCase
# Subclass is used for tests which need it
class Subclass; end
############################################################################
# Literals #
############################################################################
def test_FalseNode
assert_prism_eval("false")
end
def test_FloatNode
assert_prism_eval("1.2")
assert_prism_eval("1.2e3")
assert_prism_eval("+1.2e+3")
assert_prism_eval("-1.2e-3")
end
def test_ImaginaryNode
assert_prism_eval("1i")
assert_prism_eval("+1.0i")
assert_prism_eval("1ri")
end
def test_IntegerNode
assert_prism_eval("1")
assert_prism_eval("+1")
assert_prism_eval("-1")
assert_prism_eval("0x10")
assert_prism_eval("0b10")
assert_prism_eval("0o10")
assert_prism_eval("010")
end
def test_NilNode
assert_prism_eval("nil")
end
def test_RationalNode
assert_prism_eval("1.2r")
assert_prism_eval("+1.2r")
end
def test_SelfNode
assert_prism_eval("self")
end
def test_SourceEncodingNode
assert_prism_eval("__ENCODING__")
end
def test_SourceFileNode
assert_prism_eval("__FILE__")
end
def test_SourceLineNode
ruby_eval = RubyVM::InstructionSequence.compile("__LINE__").eval
prism_eval = RubyVM::InstructionSequence.compile_prism("__LINE__").eval
assert_equal ruby_eval, prism_eval
end
def test_TrueNode
assert_prism_eval("true")
end
############################################################################
# Reads #
############################################################################
def test_BackReferenceReadNode
assert_prism_eval("$+")
end
def test_ClassVariableReadNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit = 1; @@pit; end")
end
def test_ConstantPathNode
assert_prism_eval("Prism::TestCompilePrism")
end
def test_ConstantReadNode
assert_prism_eval("Prism")
end
Z = 1
def test_DefinedNode
assert_prism_eval("defined? nil")
assert_prism_eval("defined? self")
assert_prism_eval("defined? true")
assert_prism_eval("defined? false")
assert_prism_eval("defined? 1")
assert_prism_eval("defined? 1i")
assert_prism_eval("defined? 1.0")
assert_prism_eval("defined? 1..2")
assert_prism_eval("defined? [A, B, C]")
assert_prism_eval("defined? [1, 2, 3]")
assert_prism_eval("defined?({ a: 1 })")
assert_prism_eval("defined? 'str'")
assert_prism_eval('defined?("#{expr}")')
assert_prism_eval("defined? :sym")
assert_prism_eval("defined? /foo/")
assert_prism_eval('defined?(/#{1}/)')
assert_prism_eval("defined? -> { 1 + 1 }")
assert_prism_eval("defined? a && b")
assert_prism_eval("defined? a || b")
assert_prism_eval("defined? __ENCODING__")
assert_prism_eval("defined? __FILE__")
assert_prism_eval("defined? __LINE__")
assert_prism_eval("defined? %[1,2,3]")
assert_prism_eval("defined? %q[1,2,3]")
assert_prism_eval("defined? %Q[1,2,3]")
assert_prism_eval("defined? %r[1,2,3]")
assert_prism_eval("defined? %i[1,2,3]")
assert_prism_eval("defined? %I[1,2,3]")
assert_prism_eval("defined? %w[1,2,3]")
assert_prism_eval("defined? %W[1,2,3]")
assert_prism_eval("defined? %s[1,2,3]")
assert_prism_eval("defined? %x[1,2,3]")
assert_prism_eval("defined? [*b]")
assert_prism_eval("defined? [[*1..2], 3, *4..5]")
assert_prism_eval("defined? [a: [:b, :c]]")
assert_prism_eval("defined? @a")
assert_prism_eval("defined? $a")
assert_prism_eval("defined? @@a")
assert_prism_eval("defined? A")
assert_prism_eval("defined? ::A")
assert_prism_eval("defined? A::B")
assert_prism_eval("defined? A::B::C")
assert_prism_eval("defined? #{self.class.name}::Z::A")
assert_prism_eval("defined? yield")
assert_prism_eval("defined? super")
assert_prism_eval("defined? X = 1")
assert_prism_eval("defined? X *= 1")
assert_prism_eval("defined? X /= 1")
assert_prism_eval("defined? X &= 1")
assert_prism_eval("defined? X ||= 1")
assert_prism_eval("defined? $1")
assert_prism_eval("defined? $2")
assert_prism_eval("defined? $`")
assert_prism_eval("defined? $'")
assert_prism_eval("defined? $+")
assert_prism_eval("defined? $X = 1")
assert_prism_eval("defined? $X *= 1")
assert_prism_eval("defined? $X /= 1")
assert_prism_eval("defined? $X &= 1")
assert_prism_eval("defined? $X ||= 1")
assert_prism_eval("defined? @@X = 1")
assert_prism_eval("defined? @@X *= 1")
assert_prism_eval("defined? @@X /= 1")
assert_prism_eval("defined? @@X &= 1")
assert_prism_eval("defined? @@X ||= 1")
assert_prism_eval("defined? @X = 1")
assert_prism_eval("defined? @X *= 1")
assert_prism_eval("defined? @X /= 1")
assert_prism_eval("defined? @X &= 1")
assert_prism_eval("defined? @X ||= 1")
assert_prism_eval("x = 1; defined? x = 1")
assert_prism_eval("x = 1; defined? x *= 1")
assert_prism_eval("x = 1; defined? x /= 1")
assert_prism_eval("x = 1; defined? x &= 1")
assert_prism_eval("x = 1; defined? x ||= 1")
assert_prism_eval("if defined? A; end")
assert_prism_eval("defined?(())")
assert_prism_eval("defined?(('1'))")
end
def test_GlobalVariableReadNode
assert_prism_eval("$pit = 1; $pit")
end
def test_InstanceVariableReadNode
assert_prism_eval("class Prism::TestCompilePrism; @pit = 1; @pit; end")
end
def test_LocalVariableReadNode
assert_prism_eval("pit = 1; pit")
end
def test_NumberedReferenceReadNode
assert_prism_eval("$1")
assert_prism_eval("$99999")
end
############################################################################
# Writes #
############################################################################
def test_ClassVariableAndWriteNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit = 0; @@pit &&= 1; end")
end
def test_ClassVariableOperatorWriteNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit = 0; @@pit += 1; end")
end
def test_ClassVariableOrWriteNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit = 1; @@pit ||= 0; end")
assert_prism_eval("class Prism::TestCompilePrism; @@pit = nil; @@pit ||= 1; end")
end
def test_ClassVariableWriteNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit = 1; end")
end
def test_ConstantAndWriteNode
assert_prism_eval("Constant = 1; Constant &&= 1")
end
def test_ConstantOperatorWriteNode
assert_prism_eval("Constant = 1; Constant += 1")
end
def test_ConstantOrWriteNode
assert_prism_eval("Constant = 1; Constant ||= 1")
end
def test_ConstantWriteNode
# We don't call assert_prism_eval directly in this case becuase we
# don't want to assign the constant mutliple times if we run
# with `--repeat-count`
# Instead, we eval manually here, and remove the constant to
constant_name = "YCT"
source = "#{constant_name} = 1"
prism_eval = RubyVM::InstructionSequence.compile_prism(source).eval
assert_equal prism_eval, 1
Object.send(:remove_const, constant_name)
end
def test_ConstantPathWriteNode
assert_prism_eval("Prism::CPWN = 1")
assert_prism_eval("::CPWN = 1")
end
def test_ConstantPathAndWriteNode
assert_prism_eval("Prism::CPAWN = 1; Prism::CPAWN &&= 2")
assert_prism_eval("Prism::CPAWN &&= 1")
end
def test_ConstantPathOrWriteNode
assert_prism_eval("Prism::CPOrWN = nil; Prism::CPOrWN ||= 1")
assert_prism_eval("Prism::CPOrWN ||= 1")
end
def test_ConstantPathOperatorWriteNode
assert_prism_eval("Prism::CPOWN = 0; Prism::CPOWN += 1")
end
def test_GlobalVariableAndWriteNode
assert_prism_eval("$pit = 0; $pit &&= 1")
end
def test_GlobalVariableOperatorWriteNode
assert_prism_eval("$pit = 0; $pit += 1")
end
def test_GlobalVariableOrWriteNode
assert_prism_eval("$pit ||= 1")
end
def test_GlobalVariableWriteNode
assert_prism_eval("$pit = 1")
end
def test_IndexAndWriteNode
assert_prism_eval("[0][0] &&= 1")
assert_prism_eval("[nil][0] &&= 1")
# Testing `[]` with a block passed in
assert_prism_eval(<<-CODE)
class CustomHash < Hash
def []=(key, value, &block)
block ? super(block.call(key), value) : super(key, value)
end
end
hash = CustomHash.new
# Call the custom method with a block that modifies
# the key before assignment
hash["KEY"] = "test"
hash["key", &(Proc.new { _1.upcase })] &&= "value"
hash
CODE
end
def test_IndexOrWriteNode
assert_prism_eval("[0][0] ||= 1")
assert_prism_eval("[nil][0] ||= 1")
# Testing `[]` with a block passed in
assert_prism_eval(<<-CODE)
class CustomHash < Hash
def []=(key, value, &block)
super(block.call(key), value)
end
end
hash = CustomHash.new
# Call the custom method with a block that modifies
# the key before assignment
hash["key", &(Proc.new { _1.upcase })] ||= "value"
hash
CODE
end
def test_IndexOperatorWriteNode
assert_prism_eval("[0][0] += 1")
# Testing `[]` with a block passed in
assert_prism_eval(<<-CODE)
class CustomHash < Hash
def [](key, &block)
block ? super(block.call(key)) : super(key)
end
def []=(key, value, &block)
block ? super(block.call(key), value) : super(key, value)
end
end
hash = CustomHash.new
# Call the custom method with a block that modifies
# the key before assignment
hash["KEY"] = "test"
hash["key", &(Proc.new { _1.upcase })] &&= "value"
hash
CODE
end
def test_InstanceVariableAndWriteNode
assert_prism_eval("@pit = 0; @pit &&= 1")
end
def test_InstanceVariableOperatorWriteNode
assert_prism_eval("@pit = 0; @pit += 1")
end
def test_InstanceVariableOrWriteNode
assert_prism_eval("@pit ||= 1")
end
def test_InstanceVariableWriteNode
assert_prism_eval("class Prism::TestCompilePrism; @pit = 1; end")
end
def test_LocalVariableAndWriteNode
assert_prism_eval("pit = 0; pit &&= 1")
end
def test_LocalVariableOperatorWriteNode
assert_prism_eval("pit = 0; pit += 1")
end
def test_LocalVariableOrWriteNode
assert_prism_eval("pit ||= 1")
end
def test_LocalVariableWriteNode
assert_prism_eval("pit = 1")
assert_prism_eval(<<-CODE)
a = 0
[].each do
a = 1
end
a
CODE
assert_prism_eval(<<-CODE)
a = 1
d = 1
[1].each do
b = 2
a = 2
[2].each do
c = 3
d = 4
a = 2
end
end
[a, d]
CODE
end
def test_MatchWriteNode
assert_prism_eval("/(?<foo>bar)(?<baz>bar>)/ =~ 'barbar'")
assert_prism_eval("/(?<foo>bar)/ =~ 'barbar'")
end
############################################################################
# Multi-writes #
############################################################################
def test_ClassVariableTargetNode
assert_prism_eval("class Prism::TestCompilePrism; @@pit, @@pit1 = 1; end")
end
def test_ConstantTargetNode
# We don't call assert_prism_eval directly in this case becuase we
# don't want to assign the constant mutliple times if we run
# with `--repeat-count`
# Instead, we eval manually here, and remove the constant to
constant_names = ["YCT", "YCT2"]
source = "#{constant_names.join(",")} = 1"
prism_eval = RubyVM::InstructionSequence.compile_prism(source).eval
assert_equal prism_eval, 1
constant_names.map { |name|
Object.send(:remove_const, name)
}
end
def test_ConstantPathTargetNode
assert_separately([], <<~'RUBY')
verbose = $VERBOSE
# Create some temporary nested constants
Object.send(:const_set, "MyFoo", Object)
Object.const_get("MyFoo").send(:const_set, "Bar", Object)
constant_names = ["MyBar", "MyFoo::Bar", "MyFoo::Bar::Baz"]
source = "#{constant_names.join(",")} = Object"
iseq = RubyVM::InstructionSequence.compile_prism(source)
$VERBOSE = nil
prism_eval = iseq.eval
$VERBOSE = verbose
assert_equal prism_eval, Object
RUBY
end
def test_GlobalVariableTargetNode
assert_prism_eval("$pit, $pit1 = 1")
end
def test_InstanceVariableTargetNode
assert_prism_eval("class Prism::TestCompilePrism; @pit, @pit1 = 1; end")
end
def test_LocalVariableTargetNode
assert_prism_eval("pit, pit1 = 1")
assert_prism_eval(<<-CODE)
a = 1
[1].each do
c = 2
a, b = 2
end
a
CODE
end
def test_MultiTargetNode
assert_prism_eval("a, (b, c) = [1, 2, 3]")
assert_prism_eval("a, (b, c) = [1, 2, 3]; a")
assert_prism_eval("a, (b, c) = [1, 2, 3]; b")
assert_prism_eval("a, (b, c) = [1, 2, 3]; c")
assert_prism_eval("a, (b, c) = [1, [2, 3]]; c")
assert_prism_eval("(a, (b, c, d, e), f, g), h = [1, [2, 3]], 4, 5, [6, 7]; c")
end
def test_MultiWriteNode
assert_prism_eval("foo, bar = [1, 2]")
assert_prism_eval("foo, = [1, 2]")
assert_prism_eval("foo, *, bar = [1, 2]")
assert_prism_eval("foo, bar = 1, 2")
assert_prism_eval("foo, *, bar = 1, 2")
assert_prism_eval("foo, *, bar = 1, 2, 3, 4")
assert_prism_eval("a, b, *, d = 1, 2, 3, 4")
assert_prism_eval("a, b, *, d = 1, 2")
assert_prism_eval("(a, b), *, c = [1, 3], 4, 5")
assert_prism_eval("(a, b), *, c = [1, 3], 4, 5; a")
assert_prism_eval("(a, b), *, c = [1, 3], 4, 5; b")
assert_prism_eval("(a, b), *, c = [1, 3], 4, 5; c")
assert_prism_eval("a, *, (c, d) = [1, 3], 4, 5; a")
assert_prism_eval("a, *, (c, d) = [1, 3], 4, 5; c")
assert_prism_eval("(a, b, c), *, (d, e) = [1, 3], 4, 5, [6, 7]")
assert_prism_eval("(a, b, c), *, (d, e) = [1, 3], 4, 5, [6, 7]; b")
assert_prism_eval("(a, b, c), *, (d, e) = [1, 3], 4, 5, [6, 7]; d")
assert_prism_eval("((a, *, b), *, (c, *, (d, *, e, f, g))), *, ((h, i, *, j), *, (k, l, m, *, n, o, p), q, r) = 1; a")
end
############################################################################
# String-likes #
############################################################################
def test_EmbeddedStatementsNode
assert_prism_eval('"foo #{to_s} baz"')
end
def test_EmbeddedVariableNode
assert_prism_eval('class Prism::TestCompilePrism; @pit = 1; "#@pit"; end')
assert_prism_eval('class Prism::TestCompilePrism; @@pit = 1; "#@@pit"; end')
assert_prism_eval('$pit = 1; "#$pit"')
end
def test_InterpolatedMatchLastLineNode
assert_prism_eval("$pit = '.oo'; if /\#$pit/mix; end")
end
def test_InterpolatedRegularExpressionNode
assert_prism_eval('$pit = 1; /1 #$pit 1/')
assert_prism_eval('$pit = 1; /#$pit/i')
assert_prism_eval('/1 #{1 + 2} 1/')
assert_prism_eval('/1 #{"2"} #{1 + 2} 1/')
end
def test_InterpolatedStringNode
assert_prism_eval('$pit = 1; "1 #$pit 1"')
assert_prism_eval('"1 #{1 + 2} 1"')
assert_prism_eval('"Prism" "::" "TestCompilePrism"')
end
def test_InterpolatedSymbolNode
assert_prism_eval('$pit = 1; :"1 #$pit 1"')
assert_prism_eval(':"1 #{1 + 2} 1"')
end
def test_InterpolatedXStringNode
assert_prism_eval('`echo #{1}`')
assert_prism_eval('`printf #{"100"}`')
end
def test_MatchLastLineNode
assert_prism_eval("if /foo/; end")
assert_prism_eval("if /foo/i; end")
assert_prism_eval("if /foo/x; end")
assert_prism_eval("if /foo/m; end")
assert_prism_eval("if /foo/im; end")
assert_prism_eval("if /foo/mx; end")
assert_prism_eval("if /foo/xi; end")
assert_prism_eval("if /foo/ixm; end")
end
def test_RegularExpressionNode
assert_prism_eval('/pit/')
assert_prism_eval('/pit/i')
assert_prism_eval('/pit/x')
assert_prism_eval('/pit/m')
assert_prism_eval('/pit/im')
assert_prism_eval('/pit/mx')
assert_prism_eval('/pit/xi')
assert_prism_eval('/pit/ixm')
assert_prism_eval('/pit/u')
assert_prism_eval('/pit/e')
assert_prism_eval('/pit/s')
assert_prism_eval('/pit/n')
assert_prism_eval('/pit/me')
assert_prism_eval('/pit/ne')
assert_prism_eval('2.times.map { /#{1}/o }')
end
def test_StringNode
assert_prism_eval('"pit"')
end
def test_SymbolNode
assert_prism_eval(":pit")
end
def test_XStringNode
assert_prism_eval(<<~RUBY)
class Prism::TestCompilePrism
def self.`(command) = command * 2
`pit`
end
RUBY
end
############################################################################
# Structures #
############################################################################
def test_ArrayNode
assert_prism_eval("[]")
assert_prism_eval("[1, 2, 3]")
assert_prism_eval("%i[foo bar baz]")
assert_prism_eval("%w[foo bar baz]")
assert_prism_eval("[*1..2]")
assert_prism_eval("[*1..2, 3, 4, *5..6, 7, 8]")
assert_prism_eval("[*1..2, 3, 4, *5..6, 7, 8, *9..11]")
assert_prism_eval("[0, *1..2, 3, 4, *5..6, 7, 8, *9..11]")
assert_prism_eval("[-1, true, 0, *1..2, 3, 4, *5..6, 7, 8, *9..11]")
assert_prism_eval("a = [1,2]; [0, *a, 3, 4, *5..6, 7, 8, *9..11]")
assert_prism_eval("[[*1..2], 3, *4..5]")
end
def test_AssocNode
assert_prism_eval("{ foo: :bar }")
end
def test_AssocSplatNode
assert_prism_eval("foo = { a: 1 }; { **foo }")
assert_prism_eval("foo = { a: 1 }; bar = foo; { **foo, b: 2, **bar, c: 3 }")
assert_prism_eval("foo = { a: 1 }; { b: 2, **foo, c: 3}")
end
def test_HashNode
assert_prism_eval("{}")
assert_prism_eval("{ a: :a }")
assert_prism_eval("{ a: :a, b: :b }")
assert_prism_eval("a = 1; { a: a }")
assert_prism_eval("a = 1; { a: }")
assert_prism_eval("{ to_s: }")
assert_prism_eval("{ Prism: }")
assert_prism_eval("[ Prism: [:b, :c]]")
end
def test_ImplicitNode
assert_prism_eval("{ to_s: }")
end
def test_RangeNode
assert_prism_eval("1..2")
assert_prism_eval("1...2")
assert_prism_eval("..2")
assert_prism_eval("...2")
assert_prism_eval("1..")
assert_prism_eval("1...")
end
def test_SplatNode
assert_prism_eval("*b = []; b")
assert_prism_eval("*b = [1, 2, 3]; b")
assert_prism_eval("a, *b = [1, 2, 3]; a")
assert_prism_eval("a, *b = [1, 2, 3]; b")
assert_prism_eval("a, *b, c = [1, 2, 3]; a")
assert_prism_eval("a, *b, c = [1, 2, 3]; b")
assert_prism_eval("a, *b, c = [1, 2, 3]; c")
assert_prism_eval("*b, c = [1, 2, 3]; b")
assert_prism_eval("*b, c = [1, 2, 3]; c")
assert_prism_eval("a, *, c = [1, 2, 3]; a")
assert_prism_eval("a, *, c = [1, 2, 3]; c")
end
############################################################################
# Jumps #
############################################################################
def test_AndNode
assert_prism_eval("true && 1")
assert_prism_eval("false && 1")
end
def test_CaseNode
assert_prism_eval("case :a; when :a; 1; else; 2; end")
assert_prism_eval("case :a; when :b; 1; else; 2; end")
assert_prism_eval("case :a; when :a; 1; else; 2; end")
assert_prism_eval("case :a; when :a; end")
assert_prism_eval("case :a; when :b, :c; end")
assert_prism_eval("case; when :a; end")
assert_prism_eval("case; when :a, :b; 1; else; 2 end")
assert_prism_eval("case :a; when :b; else; end")
assert_prism_eval("b = 1; case :a; when b; else; end")
end
def test_ElseNode
assert_prism_eval("if false; 0; else; 1; end")
assert_prism_eval("if true; 0; else; 1; end")
assert_prism_eval("true ? 1 : 0")
assert_prism_eval("false ? 0 : 1")
end
def test_FlipFlopNode
assert_prism_eval("not (1 == 1) .. (2 == 2)")
assert_prism_eval("not (1 == 1) ... (2 == 2)")
end
def test_IfNode
assert_prism_eval("if true; 1; end")
assert_prism_eval("1 if true")
assert_prism_eval('a = b = 1; if a..b; end')
assert_prism_eval('if "a".."b"; end')
assert_prism_eval('if "a"..; end')
assert_prism_eval('if .."b"; end')
assert_prism_eval('if ..1; end')
assert_prism_eval('if 1..; end')
assert_prism_eval('if 1..2; end')
end
def test_OrNode
assert_prism_eval("true || 1")
assert_prism_eval("false || 1")
end
def test_UnlessNode
assert_prism_eval("1 unless true")
assert_prism_eval("1 unless false")
assert_prism_eval("unless true; 1; end")
assert_prism_eval("unless false; 1; end")
end
def test_UntilNode
assert_prism_eval("a = 0; until a == 1; a = a + 1; end")
end
def test_WhileNode
assert_prism_eval("a = 0; while a != 1; a = a + 1; end")
end
def test_ForNode
assert_prism_eval("for i in [1,2] do; i; end")
assert_prism_eval("for @i in [1,2] do; @i; end")
assert_prism_eval("for $i in [1,2] do; $i; end")
assert_prism_eval("for foo, in [1,2,3] do end")
assert_prism_eval("for i, j in {a: 'b'} do; i; j; end")
end
############################################################################
# Throws #
############################################################################
def test_BeginNode
assert_prism_eval("begin; 1; end")
assert_prism_eval("begin; end; 1")
end
def test_BreakNode
assert_prism_eval("while true; break; end")
assert_prism_eval("while true; break 1; end")
end
def test_EnsureNode
assert_prism_eval("begin; 1; ensure; 2; end")
assert_prism_eval("begin; 1; begin; 3; ensure; 4; end; ensure; 2; end")
assert_prism_eval(<<-CODE)
begin
a = 2
ensure
end
CODE
assert_prism_eval(<<-CODE)
begin
a = 2
ensure
a = 3
end
a
CODE
assert_prism_eval(<<-CODE)
a = 1
begin
a = 2
ensure
a = 3
end
a
CODE
assert_prism_eval(<<-CODE)
a = 1
begin
b = 2
ensure
c = 3
end
a + b + c
CODE
assert_prism_eval(<<~CODE)
foo = 1
begin
ensure
begin
ensure
foo.nil?
end
end
CODE
end
def test_NextNode
assert_prism_eval("2.times do |i|; next if i == 1; end")
assert_prism_eval(<<-CODE)
res = []
i = 0
while i < 5
i += 1
next if i == 3
res << i
end
res
CODE
assert_prism_eval(<<-CODE)
res = []
(1..5).each do |i|
next if i.even?
res << i
end
res
CODE
assert_prism_eval(<<-CODE)
res = []
i = 0
begin
i += 1
next if i == 3
res << i
end while i < 5
res
CODE
end
def test_RedoNode
assert_prism_eval(<<-CODE)
counter = 0
5.times do |i|
counter += 1
if i == 2 && counter < 3
redo
end
end
CODE
assert_prism_eval(<<-CODE)
for i in 1..5
if i == 3
i = 0
redo
end
end
CODE
assert_prism_eval(<<-CODE)
i = 0
begin
i += 1
redo if i == 3
end while i < 5
CODE
end
def test_RescueNode
assert_prism_eval("begin; 1; rescue; 2; end")
assert_prism_eval(<<~CODE)
begin
1
rescue SyntaxError
2
end
CODE
assert_prism_eval(<<~CODE)
begin
1
raise 'boom'
rescue StandardError
2
end
CODE
assert_prism_eval(<<~CODE)
begin
a = 1
rescue StandardError => e
end
CODE
assert_prism_eval(<<~CODE)
begin
raise StandardError
rescue StandardError => e
end
CODE
assert_prism_eval(<<~CODE)
begin
1
rescue StandardError => e
e
rescue SyntaxError => f
f
else
4
end
CODE
assert_prism_eval(<<-CODE)
begin
a = 2
rescue
a = 3
end
a
CODE
assert_prism_eval(<<-CODE)
a = 1
begin
a = 2
rescue
a = 3
end
a
CODE
assert_prism_eval(<<-CODE)
a = 1
begin
b = 2
raise "bang"
rescue
c = 3
end
a + b + c
CODE
assert_prism_eval("begin; rescue; end")
end
def test_RescueModiferNode
assert_prism_eval("1.nil? rescue false")
assert_prism_eval("1.nil? rescue 1")
assert_prism_eval("raise 'bang' rescue nil")
assert_prism_eval("raise 'bang' rescue a = 1; a.nil?")
assert_prism_eval("a = 0 rescue (a += 1 && retry if a <= 1)")
end
def test_RetryNode
assert_prism_eval(<<~CODE)
a = 1
begin
a
raise "boom"
rescue
a += 1
retry unless a > 1
ensure
a = 3
end
CODE
assert_prism_eval(<<~CODE)
begin
rescue
foo = 2
retry
end
CODE
assert_prism_eval(<<~CODE)
begin
a = 2
rescue
retry
end
CODE
end
def test_ReturnNode
assert_prism_eval("def return_node; return 1; end")
end
############################################################################
# Scopes/statements #
############################################################################
def test_BlockNode
assert_prism_eval("[1, 2, 3].each { |num| num }")
assert_prism_eval("[].tap { _1 }")
assert_prism_eval("[].each { |a,| }")
assert_prism_eval("[[]].map { |a| a }")
assert_prism_eval("[[]].map { |a| a }")
assert_prism_eval("[[]].map { |a, &block| a }")
assert_prism_eval("[[]].map { |a, &block| a }")
assert_prism_eval("[{}].map { |a,| }")
assert_prism_eval("[[]].map { |a,b=1| a }")
assert_prism_eval("[{}].map { |a,| }")
assert_prism_eval("[{}].map { |a| a }")
end
def test_ClassNode
assert_prism_eval("class PrismClassA; end")
assert_prism_eval("class PrismClassA; end; class PrismClassB < PrismClassA; end")
assert_prism_eval("class PrismClassA; end; class PrismClassA::PrismClassC; end")
assert_prism_eval(<<-HERE
class PrismClassA; end
class PrismClassA::PrismClassC; end
class PrismClassB; end
class PrismClassB::PrismClassD < PrismClassA::PrismClassC; end
HERE
)
end
# Many of these tests are versions of tests at bootstraptest/test_method.rb
def test_DefNode
assert_prism_eval("def prism_test_def_node; end")
assert_prism_eval("a = Object.new; def a.prism_singleton; :ok; end; a.prism_singleton")
assert_prism_eval("def self.prism_test_def_node() 1 end; prism_test_def_node()")
assert_prism_eval("def self.prism_test_def_node(a,b) [a, b] end; prism_test_def_node(1,2)")
assert_prism_eval("def self.prism_test_def_node(a,x=7,y=1) x end; prism_test_def_node(7,1)")
assert_prism_eval("def self.prism_test_def_node(a = 1); x = 2; end; prism_test_def_node")
# rest argument
assert_prism_eval("def self.prism_test_def_node(*a) a end; prism_test_def_node().inspect")
assert_prism_eval("def self.prism_test_def_node(*a) a end; prism_test_def_node(1).inspect")
assert_prism_eval("def self.prism_test_def_node(x,y,*a) a end; prism_test_def_node(7,7,1,2).inspect")
assert_prism_eval("def self.prism_test_def_node(x,y=7,*a) a end; prism_test_def_node(7).inspect")
assert_prism_eval("def self.prism_test_def_node(x,y,z=7,*a) a end; prism_test_def_node(7,7).inspect")
assert_prism_eval("def self.prism_test_def_node(x,y,z=7,zz=7,*a) a end; prism_test_def_node(7,7,7).inspect")
# keyword arguments
assert_prism_eval("def self.prism_test_def_node(a: 1, b: 2, c: 4) a + b + c; end; prism_test_def_node(a: 2)")
assert_prism_eval("def self.prism_test_def_node(a: 1, b: 2, c: 4) a + b + c; end; prism_test_def_node(b: 3)")
assert_prism_eval(<<-CODE)
def self.prism_test_def_node(x = 1, y, a: 8, b: 2, c: 4)
a + b + c + x + y
end
prism_test_def_node(10, b: 3)
CODE
# block arguments
assert_prism_eval("def self.prism_test_def_node(&block) block end; prism_test_def_node{}.class")
assert_prism_eval("def self.prism_test_def_node(&block) block end; prism_test_def_node().inspect")
assert_prism_eval("def self.prism_test_def_node(a,b=7,*c,&block) b end; prism_test_def_node(7,1).inspect")
assert_prism_eval("def self.prism_test_def_node(a,b=7,*c,&block) c end; prism_test_def_node(7,7,1).inspect")
# splat
assert_prism_eval("def self.prism_test_def_node(a) a end; prism_test_def_node(*[1])")
assert_prism_eval("def self.prism_test_def_node(x,a) a end; prism_test_def_node(7,*[1])")
assert_prism_eval("def self.prism_test_def_node(x,y,a) a end; prism_test_def_node(7,7,*[1])")
assert_prism_eval("def self.prism_test_def_node(x,y,a,b,c) a end; prism_test_def_node(7,7,*[1,7,7])")
# recursive call
assert_prism_eval("def self.prism_test_def_node(n) n == 0 ? 1 : prism_test_def_node(n-1) end; prism_test_def_node(5)")
# instance method
assert_prism_eval("class PrismTestDefNode; def prism_test_def_node() 1 end end; PrismTestDefNode.new.prism_test_def_node")
assert_prism_eval("class PrismTestDefNode; def prism_test_def_node(*a) a end end; PrismTestDefNode.new.prism_test_def_node(1).inspect")
# block argument
assert_prism_eval(<<-CODE
def self.prism_test_def_node(&block) prism_test_def_node2(&block) end
def self.prism_test_def_node2() yield 1 end
prism_test_def_node2 {|a| a }
CODE
)
end
def test_method_parameters
assert_prism_eval(<<-CODE)
def self.prism_test_method_parameters(a, b=1, *c, d:, e: 2, **f, &g)
end
method(:prism_test_method_parameters).parameters
CODE
assert_prism_eval(<<-CODE)
def self.prism_test_method_parameters(d:, e: 2, **f, &g)
end
method(:prism_test_method_parameters).parameters
CODE
assert_prism_eval(<<-CODE)
def self.prism_test_method_parameters(**f, &g)
end
method(:prism_test_method_parameters).parameters
CODE
assert_prism_eval(<<-CODE)
def self.prism_test_method_parameters(&g)
end
method(:prism_test_method_parameters).parameters
CODE
end
def test_LambdaNode
assert_prism_eval("-> { to_s }.call")
end
def test_ModuleNode
assert_prism_eval("module M; end")
assert_prism_eval("module M::N; end")
assert_prism_eval("module ::O; end")
end
def test_ParenthesesNode
assert_prism_eval("()")
assert_prism_eval("(1)")
end
def test_PreExecutionNode
# BEGIN {} must be defined at the top level, so we need to manually
# call the evals here instead of calling `assert_prism_eval`
ruby_eval = RubyVM::InstructionSequence.compile("BEGIN { a = 1 }; 2").eval
prism_eval = RubyVM::InstructionSequence.compile_prism("BEGIN { a = 1 }; 2").eval
assert_equal ruby_eval, prism_eval
ruby_eval = RubyVM::InstructionSequence.compile("b = 2; BEGIN { a = 1 }; a + b").eval
prism_eval = RubyVM::InstructionSequence.compile_prism("b = 2; BEGIN { a = 1 }; a + b").eval
assert_equal ruby_eval, prism_eval
end
def test_PostExecutionNode
assert_prism_eval("END { 1 }")
assert_prism_eval("END { @b }; @b = 1")
assert_prism_eval("END { @b; 0 }; @b = 1")
assert_prism_eval("foo = 1; END { foo.nil? }")
assert_prism_eval("foo = 1; END { END { foo.nil? }}")
end
def test_ProgramNode
assert_prism_eval("")
assert_prism_eval("1")
end
def test_SingletonClassNode
assert_prism_eval("class << self; end")
end
def test_StatementsNode
assert_prism_eval("1")
end
def test_YieldNode
assert_prism_eval("def prism_test_yield_node; yield; end")
assert_prism_eval("def prism_test_yield_node; yield 1, 2; end")
assert_prism_eval("def prism_test_yield_node; yield **kw if condition; end")
# Test case where there's a call directly after the yield call
assert_prism_eval("def prism_test_yield_node; yield; 1; end")
assert_prism_eval("def prism_test_yield_node; yield 1, 2; 1; end")
end
############################################################################
# Calls / arugments #
############################################################################
def test_ArgumentsNode
# assert_prism_eval("[].push 1")
end
def test_BlockArgumentNode
assert_prism_eval("1.then(&:to_s)")
end
def test_BlockLocalVariableNode
assert_prism_eval(<<-CODE
pm_var = "outer scope variable"
1.times { |;pm_var| pm_var = "inner scope variable"; pm_var }
CODE
)
assert_prism_eval(<<-CODE
pm_var = "outer scope variable"
1.times { |;pm_var| pm_var = "inner scope variable"; pm_var }
pm_var
CODE
)
end
def test_CallNode
assert_prism_eval("to_s")
# with arguments
assert_prism_eval("eval '1'")
# with arguments and popped
assert_prism_eval("eval '1'; 1")
# With different types of calling arguments
assert_prism_eval(<<-CODE)
def self.prism_test_call_node_double_splat(**); end
prism_test_call_node_double_splat(b: 1, **{})
CODE
assert_prism_eval(<<-CODE)
prism_test_call_node_double_splat(:b => 1)
CODE
assert_prism_eval(<<-CODE)
def self.prism_test_call_node_splat(*); end
prism_test_call_node_splat(*[], 1)
CODE
assert_prism_eval("prism_test_call_node_splat(*[], 1, 2)")
end
def test_CallAndWriteNode
assert_prism_eval(<<-CODE
class PrismTestSubclass; end
def PrismTestSubclass.test_call_and_write_node; end;
PrismTestSubclass.test_call_and_write_node &&= 1
CODE
)
assert_prism_eval(<<-CODE
def PrismTestSubclass.test_call_and_write_node
"str"
end
def PrismTestSubclass.test_call_and_write_node=(val)
val
end
PrismTestSubclass.test_call_and_write_node &&= 1
CODE
)
assert_prism_eval(<<-CODE
def self.test_call_and_write_node; end;
self.test_call_and_write_node &&= 1
CODE
)
assert_prism_eval(<<-CODE
def self.test_call_and_write_node
"str"
end
def self.test_call_and_write_node=(val)
val
end
self.test_call_and_write_node &&= 1
CODE
)
end
def test_CallOrWriteNode
assert_prism_eval(<<-CODE
class PrismTestSubclass; end
def PrismTestSubclass.test_call_or_write_node; end;
def PrismTestSubclass.test_call_or_write_node=(val)
val
end
PrismTestSubclass.test_call_or_write_node ||= 1
CODE
)
assert_prism_eval(<<-CODE
def PrismTestSubclass.test_call_or_write_node
"str"
end
PrismTestSubclass.test_call_or_write_node ||= 1
CODE
)
assert_prism_eval(<<-CODE
def self.test_call_or_write_node; end;
def self.test_call_or_write_node=(val)
val
end
self.test_call_or_write_node ||= 1
CODE
)
assert_prism_eval(<<-CODE
def self.test_call_or_write_node
"str"
end
self.test_call_or_write_node ||= 1
CODE
)
end
def test_CallOperatorWriteNode
assert_prism_eval(<<-CODE
class PrismTestSubclass; end
def PrismTestSubclass.test_call_operator_write_node
2
end
def PrismTestSubclass.test_call_operator_write_node=(val)
val
end
PrismTestSubclass.test_call_operator_write_node += 1
CODE
)
end
def test_ForwardingArgumentsNode
# http://ci.rvm.jp/results/trunk-iseq_binary@ruby-sp2-docker/4779277
#
# expected:
# == disasm: #<ISeq:prism_test_forwarding_arguments_node1@<compiled>:2 (2,8)-(4,11)>
# local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: 1])
# [ 1] "..."@0
# 0000 putself ( 3)
# 0001 getlocal_WC_0 ?@-2
# 0003 splatarray false
# 0005 getblockparamproxy ?@-1, 0
# 0008 send <calldata!mid:prism_test_forwarding_arguments_node, argc:1, ARGS_SPLAT|ARGS_BLOCKARG|FCALL>, nil
# 0011 leave ( 2)
# actual:
# == disasm: #<ISeq:prism_test_forwarding_arguments_node1@<compiled>:2 (2,8)-(4,11)>
# local table (size: 1, argc: 0 [opts: 0, rest: -1, post: 0, block: -1, kw: -1@-1, kwrest: 1])
# [ 1] "..."@0
# 0000 putself ( 3)
# 0001 getlocal_WC_0 ?@-2
# 0003 splatarray false
# 0005 getblockparamproxy "!"@-1, 0
# 0008 send <calldata!mid:prism_test_forwarding_arguments_node, argc:1, ARGS_SPLAT|ARGS_BLOCKARG|FCALL>, nil
# 0011 leave ( 2)
omit "fails on trunk-iseq_binary"
assert_prism_eval(<<-CODE)
def prism_test_forwarding_arguments_node(...); end;
def prism_test_forwarding_arguments_node1(...)
prism_test_forwarding_arguments_node(...)
end
CODE
assert_prism_eval(<<-CODE)
def prism_test_forwarding_arguments_node(...); end;
def prism_test_forwarding_arguments_node1(a, ...)
prism_test_forwarding_arguments_node(1,2, 3, ...)
end
CODE
end
def test_ForwardingSuperNode
assert_prism_eval("class Forwarding; def to_s; super; end; end")
assert_prism_eval("class Forwarding; def eval(code); super { code }; end; end")
end
def test_KeywordHashNode
assert_prism_eval("[a: [:b, :c]]")
end
def test_SuperNode
assert_prism_eval("def to_s; super 1; end")
assert_prism_eval("def to_s; super(); end")
assert_prism_eval("def to_s; super('a', :b, [1,2,3]); end")
assert_prism_eval("def to_s; super(1, 2, 3, &:foo); end")
end
############################################################################
# Methods / parameters #
############################################################################
def test_AliasGlobalVariableNode
assert_prism_eval("alias $prism_foo $prism_bar")
end
def test_AliasMethodNode
assert_prism_eval("alias :prism_a :to_s")
end
def test_BlockParameterNode
assert_prism_eval("def prism_test_block_parameter_node(&bar) end")
assert_prism_eval("->(b, c=1, *d, e, &f){}")
end
def test_BlockParametersNode
assert_prism_eval("Object.tap { || }")
assert_prism_eval("[1].map { |num| num }")
assert_prism_eval("[1].map { |a; b| b = 2; a + b}")
end
def test_FowardingParameterNode
assert_prism_eval("def prism_test_forwarding_parameter_node(...); end")
end
def test_KeywordRestParameterNode
assert_prism_eval("def prism_test_keyword_rest_parameter_node(a, **b); end")
end
def test_NoKeywordsParameterNode
assert_prism_eval("def prism_test_no_keywords(**nil); end")
assert_prism_eval("def prism_test_no_keywords(a, b = 2, **nil); end")
end
def test_OptionalParameterNode
assert_prism_eval("def prism_test_optional_param_node(bar = nil); end")
end
def test_OptionalKeywordParameterNode
assert_prism_eval("def prism_test_optional_keyword_param_node(bar: nil); end")
end
def test_ParametersNode
assert_prism_eval("def prism_test_parameters_node(bar, baz); end")
assert_prism_eval("def prism_test_parameters_node(a, b = 2); end")
end
def test_RequiredParameterNode
assert_prism_eval("def prism_test_required_param_node(bar); end")
assert_prism_eval("def prism_test_required_param_node(foo, bar); end")
end
def test_RequiredKeywordParameterNode
assert_prism_eval("def prism_test_required_param_node(bar:); end")
assert_prism_eval("def prism_test_required_param_node(foo:, bar:); end")
assert_prism_eval("-> a, b = 1, c:, d:, &e { a }")
end
def test_RestParameterNode
assert_prism_eval("def prism_test_rest_parameter_node(*a); end")
end
def test_UndefNode
assert_prism_eval("def prism_undef_node_1; end; undef prism_undef_node_1")
assert_prism_eval(<<-HERE
def prism_undef_node_2
end
def prism_undef_node_3
end
undef prism_undef_node_2, prism_undef_node_3
HERE
)
assert_prism_eval(<<-HERE
def prism_undef_node_4
end
undef :'prism_undef_node_#{4}'
HERE
)
end
############################################################################
# Pattern matching #
############################################################################
def test_AlternationPatternNode
assert_prism_eval("1 in 1 | 2")
assert_prism_eval("1 in 2 | 1")
assert_prism_eval("1 in 2 | 3 | 4 | 1")
assert_prism_eval("1 in 2 | 3")
end
def test_MatchPredicateNode
assert_prism_eval("1 in 1")
assert_prism_eval("1.0 in 1.0")
assert_prism_eval("1i in 1i")
assert_prism_eval("1r in 1r")
assert_prism_eval("\"foo\" in \"foo\"")
assert_prism_eval("\"foo \#{1}\" in \"foo \#{1}\"")
assert_prism_eval("false in false")
assert_prism_eval("nil in nil")
assert_prism_eval("self in self")
assert_prism_eval("true in true")
assert_prism_eval("5 in 0..10")
assert_prism_eval("5 in 0...10")
assert_prism_eval("[\"5\"] in %w[5]")
assert_prism_eval("Prism in Prism")
assert_prism_eval("Prism in ::Prism")
assert_prism_eval(":prism in :prism")
assert_prism_eval("%s[prism\#{1}] in %s[prism\#{1}]")
assert_prism_eval("\"foo\" in /.../")
assert_prism_eval("\"foo1\" in /...\#{1}/")
assert_prism_eval("4 in ->(v) { v.even? }")
assert_prism_eval("5 in foo")
assert_prism_eval("1 in 2")
end
def test_PinnedExpressionNode
assert_prism_eval("4 in ^(4)")
end
def test_PinnedVariableNode
assert_prism_eval("module Prism; @@prism = 1; 1 in ^@@prism; end")
assert_prism_eval("module Prism; @prism = 1; 1 in ^@prism; end")
assert_prism_eval("$prism = 1; 1 in ^$prism")
assert_prism_eval("prism = 1; 1 in ^prism")
end
############################################################################
# Miscellaneous #
############################################################################
def test_ScopeNode
assert_separately(%w[], "#{<<-'begin;'}\n#{<<-'end;'}")
begin;
def compare_eval(source)
ruby_eval = RubyVM::InstructionSequence.compile("module A; " + source + "; end").eval
prism_eval = RubyVM::InstructionSequence.compile_prism("module B; " + source + "; end").eval
assert_equal ruby_eval, prism_eval
end
def assert_prism_eval(source)
$VERBOSE, verbose_bak = nil, $VERBOSE
begin
compare_eval(source)
# Test "popped" functionality
compare_eval("#{source}; 1")
ensure
$VERBOSE = verbose_bak
end
end
assert_prism_eval("a = 1; 1.times do; { a: }; end")
assert_prism_eval("a = 1; def foo(a); a; end")
end;
end
############################################################################
# Errors #
############################################################################
def test_MissingNode
# TODO
end
############################################################################
# Encoding #
############################################################################
def test_encoding
assert_prism_eval('"però"')
assert_prism_eval(":però")
end
private
def compare_eval(source)
source = "class Prism::TestCompilePrism\n#{source}\nend"
ruby_eval = RubyVM::InstructionSequence.compile(source).eval
prism_eval = RubyVM::InstructionSequence.compile_prism(source).eval
if ruby_eval.is_a? Proc
assert_equal ruby_eval.class, prism_eval.class
else
assert_equal ruby_eval, prism_eval
end
end
def assert_prism_eval(source)
$VERBOSE, verbose_bak = nil, $VERBOSE
begin
compare_eval(source)
# Test "popped" functionality
compare_eval("#{source}; 1")
ensure
$VERBOSE = verbose_bak
end
end
end
end
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