https://git.ruby-lang.org/ruby.git/commit/?id=f4502b001a

From f4502b001a665109bf776f9037ecbc52cb5f2d88 Mon Sep 17 00:00:00 2001
From: Benoit Daloze <eregontp@g...>
Date: Sun, 31 May 2020 18:22:47 +0200
Subject: Update to ruby/mspec@e3abf6b


diff --git a/spec/mspec/lib/mspec/helpers/numeric.rb b/spec/mspec/lib/mspec/helpers/numeric.rb
index c6c2e82..db1fde6 100644
--- a/spec/mspec/lib/mspec/helpers/numeric.rb
+++ b/spec/mspec/lib/mspec/helpers/numeric.rb
@@ -12,6 +12,14 @@ def bignum_value(plus = 0) https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/helpers/numeric.rb#L12
   0x8000_0000_0000_0000 + plus
 end
 
+def max_long
+  2**(0.size * 8 - 1) - 1
+end
+
+def min_long
+  -(2**(0.size * 8 - 1))
+end
+
 # This is a bit hairy, but we need to be able to write specs that cover the
 # boundary between Fixnum and Bignum for operations like Fixnum#<<. Since
 # this boundary is implementation-dependent, we use these helpers to write
diff --git a/spec/mspec/lib/mspec/matchers/raise_error.rb b/spec/mspec/lib/mspec/matchers/raise_error.rb
index 0e57c1b..878428d 100644
--- a/spec/mspec/lib/mspec/matchers/raise_error.rb
+++ b/spec/mspec/lib/mspec/matchers/raise_error.rb
@@ -6,34 +6,43 @@ class RaiseErrorMatcher https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/matchers/raise_error.rb#L6
     @actual = nil
   end
 
+  # This #matches? method is unusual because it doesn't always return a boolean but instead
+  # re-raises the original exception if proc.call raises an exception and #matching_exception? is false.
+  # The reasoning is the original exception class matters and we don't want to change it by raising another exception,
+  # so instead we attach the #failure_message and extract it in ExceptionState#message.
   def matches?(proc)
     @result = proc.call
     return false
   rescue Exception => actual
     @actual = actual
+
     if matching_exception?(actual)
       # The block has its own expectations and will throw an exception if it fails
       @block[actual] if @block
-
       return true
     else
+      actual.instance_variable_set(:@mspec_raise_error_message, failure_message)
       raise actual
     end
   end
 
-  def matching_exception?(exc)
-    return false unless @exception === exc
+  def matching_class?(exc)
+    @exception === exc
+  end
 
-    if @message then
-      case @message
-      when String
-        return false if @message != exc.message
-      when Regexp
-        return false if @message !~ exc.message
-      end
+  def matching_message?(exc)
+    case @message
+    when String
+      @message == exc.message
+    when Regexp
+      @message =~ exc.message
+    else
+      true
     end
+  end
 
-    return true
+  def matching_exception?(exc)
+    matching_class?(exc) and matching_message?(exc)
   end
 
   def exception_class_and_message(exception_class, message)
@@ -56,7 +65,7 @@ class RaiseErrorMatcher https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/matchers/raise_error.rb#L65
     message = ["Expected #{format_expected_exception}"]
 
     if @actual
-      message << "but got #{format_exception(@actual)}"
+      message << "but got: #{format_exception(@actual)}"
     else
       message << "but no exception was raised (#{MSpec.format(@result)} was returned)"
     end
@@ -67,7 +76,7 @@ class RaiseErrorMatcher https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/matchers/raise_error.rb#L76
   def negative_failure_message
     message = ["Expected to not get #{format_expected_exception}", ""]
     unless @actual.class == @exception
-      message[1] = "but got #{format_exception(@actual)}"
+      message[1] = "but got: #{format_exception(@actual)}"
     end
     message
   end
diff --git a/spec/mspec/lib/mspec/runner/actions/leakchecker.rb b/spec/mspec/lib/mspec/runner/actions/leakchecker.rb
index f70799d..9efabc7 100644
--- a/spec/mspec/lib/mspec/runner/actions/leakchecker.rb
+++ b/spec/mspec/lib/mspec/runner/actions/leakchecker.rb
@@ -49,6 +49,7 @@ class LeakChecker https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/runner/actions/leakchecker.rb#L49
     check_env
     check_argv
     check_encodings
+    check_tracepoints
     GC.start if !@leaks.empty?
     @leaks.empty?
   end
@@ -259,6 +260,14 @@ class LeakChecker https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/runner/actions/leakchecker.rb#L260
     @encoding_info = [new_internal, new_external]
   end
 
+  def check_tracepoints
+    ObjectSpace.each_object(TracePoint) do |tp|
+      if tp.enabled?
+        leak "TracePoint is still enabled: #{tp.inspect}"
+      end
+    end
+  end
+
   def leak(message)
     if @leaks.empty?
       $stderr.puts "\n"
diff --git a/spec/mspec/lib/mspec/runner/actions/timeout.rb b/spec/mspec/lib/mspec/runner/actions/timeout.rb
index 03fe148..c85bf49 100644
--- a/spec/mspec/lib/mspec/runner/actions/timeout.rb
+++ b/spec/mspec/lib/mspec/runner/actions/timeout.rb
@@ -37,7 +37,7 @@ class TimeoutAction https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/runner/actions/timeout.rb#L37
             if elapsed > @timeout
               STDERR.puts "\n#{@current_state.description}"
               STDERR.flush
-              abort "Example took #{now - @started}s, which is longer than the timeout of #{@timeout}s"
+              abort "Example took longer than the configured timeout of #{@timeout}s"
             end
           end
         end
diff --git a/spec/mspec/lib/mspec/runner/exception.rb b/spec/mspec/lib/mspec/runner/exception.rb
index 0d9bb43..aea6610 100644
--- a/spec/mspec/lib/mspec/runner/exception.rb
+++ b/spec/mspec/lib/mspec/runner/exception.rb
@@ -6,6 +6,7 @@ class ExceptionState https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/runner/exception.rb#L6
 
   def initialize(state, location, exception)
     @exception = exception
+    @failure = exception.class == SpecExpectationNotMetError || exception.class == SpecExpectationNotFoundError
 
     @description = location ? "An exception occurred during: #{location}" : ""
     if state
@@ -19,25 +20,26 @@ class ExceptionState https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/runner/exception.rb#L20
   end
 
   def failure?
-    [SpecExpectationNotMetError, SpecExpectationNotFoundError].any? { |e| @exception.is_a? e }
+    @failure
   end
 
   def message
-    if @exception.message.empty?
-      "<No message>"
-    elsif @exception.class == SpecExpectationNotMetError ||
-          @exception.class == SpecExpectationNotFoundError
-      @exception.message
+    message = @exception.message
+    message = "<No message>" if message.empty?
+
+    if @failure
+      message
+    elsif raise_error_message = @exception.instance_variable_get(:@mspec_raise_error_message)
+      raise_error_message.join("\n")
     else
-      "#{@exception.class}: #{@exception.message}"
+      "#{@exception.class}: #{message}"
     end
   end
 
   def backtrace
-    @backtrace_filter ||= MSpecScript.config[:backtrace_filter]
+    @backtrace_filter ||= MSpecScript.config[:backtrace_filter] || %r{(?:/bin/mspec|/lib/mspec/)}
 
     bt = @exception.backtrace || []
-
     bt.select { |line| $MSPEC_DEBUG or @backtrace_filter !~ line }.join("\n")
   end
 end
diff --git a/spec/mspec/lib/mspec/utils/format.rb b/spec/mspec/lib/mspec/utils/format.rb
index bb75e13..425dd4d 100644
--- a/spec/mspec/lib/mspec/utils/format.rb
+++ b/spec/mspec/lib/mspec/utils/format.rb
@@ -13,7 +13,11 @@ end https://github.com/ruby/ruby/blob/trunk/spec/mspec/lib/mspec/utils/format.rb#L13
 
 module MSpec
   def self.format(obj)
-    obj.pretty_inspect.chomp
+    if String === obj and obj.include?("\n")
+      "\n#{obj.inspect.gsub('\n', "\n")}"
+    else
+      obj.pretty_inspect.chomp
+    end
   rescue => e
     "#<#{obj.class}>(#pretty_inspect raised #{e.inspect})"
   end
diff --git a/spec/mspec/spec/matchers/raise_error_spec.rb b/spec/mspec/spec/matchers/raise_error_spec.rb
index 1ed794e..a40acc0 100644
--- a/spec/mspec/spec/matchers/raise_error_spec.rb
+++ b/spec/mspec/spec/matchers/raise_error_spec.rb
@@ -12,7 +12,7 @@ describe RaiseErrorMatcher do https://github.com/ruby/ruby/blob/trunk/spec/mspec/spec/matchers/raise_error_spec.rb#L12
     matcher.matches?(proc).should == true
   end
 
-  it "executes it's optional block if matched" do
+  it "executes its optional block if matched" do
     run = false
     proc = Proc.new { raise ExpectedException }
     matcher = RaiseErrorMatcher.new(ExpectedException, nil) { |error|
@@ -62,16 +62,21 @@ describe RaiseErrorMatcher do https://github.com/ruby/ruby/blob/trunk/spec/mspec/spec/matchers/raise_error_spec.rb#L62
     matcher.matches?(proc).should == false
   end
 
-  it "provides a useful failure message" do
-    exc = UnexpectedException.new("unexpected")
-    matcher = RaiseErrorMatcher.new(ExpectedException, "expected")
+  it "provides a useful failure message when the exception class differs" do
+    exc = UnexpectedException.new("message")
+    matcher = RaiseErrorMatcher.new(ExpectedException, "message")
 
     matcher.matching_exception?(exc).should == false
-    lambda {
+    begin
       matcher.matches?(Proc.new { raise exc })
-    }.should raise_error(UnexpectedException)
-    matcher.failure_message.should ==
-      ["Expected ExpectedException (expected)", "but got UnexpectedException (unexpected)"]
+    rescue UnexpectedException => e
+      matcher.failure_message.should ==
+        ["Expected ExpectedException (message)", "but got: UnexpectedException (message)"]
+      ExceptionState.new(nil, nil, e).message.should ==
+        "Expected ExpectedException (message)\nbut got: UnexpectedException (message)"
+    else
+      raise "no exception"
+    end
   end
 
   it "provides a useful failure message when the proc raises the expected exception with an unexpected message" do
@@ -79,11 +84,33 @@ describe RaiseErrorMatcher do https://github.com/ruby/ruby/blob/trunk/spec/mspec/spec/matchers/raise_error_spec.rb#L84
     matcher = RaiseErrorMatcher.new(ExpectedException, "expected")
 
     matcher.matching_ (... truncated)

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