From 95e8c48dd3348503a8c7db5d0498894a1b676395 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 7 May 2017 12:04:49 +0000
Subject: Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 .../spec/matchers/have_class_variable_spec.rb      | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 spec/mspec/spec/matchers/have_class_variable_spec.rb

(limited to 'spec/mspec/spec/matchers/have_class_variable_spec.rb')

diff --git a/spec/mspec/spec/matchers/have_class_variable_spec.rb b/spec/mspec/spec/matchers/have_class_variable_spec.rb
new file mode 100644
index 0000000000..e440050056
--- /dev/null
+++ b/spec/mspec/spec/matchers/have_class_variable_spec.rb
@@ -0,0 +1,62 @@
+require 'spec_helper'
+require 'mspec/expectations/expectations'
+require 'mspec/matchers'
+
+class IVarModMock; end
+
+shared_examples_for "have_class_variable, on all Ruby versions" do
+  after :all do
+    Object.const_set :RUBY_VERSION, @ruby_version
+  end
+
+  it "matches when mod has the class variable, given as string" do
+    matcher = HaveClassVariableMatcher.new('@foo')
+    matcher.matches?(IVarModMock).should be_true
+  end
+
+  it "matches when mod has the class variable, given as symbol" do
+    matcher = HaveClassVariableMatcher.new(:@foo)
+    matcher.matches?(IVarModMock).should be_true
+  end
+
+  it "does not match when mod hasn't got the class variable, given as string" do
+    matcher = HaveClassVariableMatcher.new('@bar')
+    matcher.matches?(IVarModMock).should be_false
+  end
+
+  it "does not match when mod hasn't got the class variable, given as symbol" do
+    matcher = HaveClassVariableMatcher.new(:@bar)
+    matcher.matches?(IVarModMock).should be_false
+  end
+
+  it "provides a failure message for #should" do
+    matcher = HaveClassVariableMatcher.new(:@bar)
+    matcher.matches?(IVarModMock)
+    matcher.failure_message.should == [
+      "Expected IVarModMock to have class variable '@bar'",
+      "but it does not"
+    ]
+  end
+
+  it "provides a failure messoge for #should_not" do
+    matcher = HaveClassVariableMatcher.new(:@bar)
+    matcher.matches?(IVarModMock)
+    matcher.negative_failure_message.should == [
+      "Expected IVarModMock NOT to have class variable '@bar'",
+      "but it does"
+    ]
+  end
+end
+
+describe HaveClassVariableMatcher, "on RUBY_VERSION >= 1.9" do
+  before :all do
+    @ruby_version = Object.const_get :RUBY_VERSION
+    Object.const_set :RUBY_VERSION, '1.9.0'
+
+    def IVarModMock.class_variables
+      [:@foo]
+    end
+  end
+
+  it_should_behave_like "have_class_variable, on all Ruby versions"
+end
-- 
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