Update to ruby/spec@519df35

spec/ruby/library/scanf/string/block_scanf_spec.rb

@@ -0,0 +1,10 @@
+require_relative '../../../spec_helper'
+
+ruby_version_is ''...'2.7' do
+  require_relative 'shared/block_scanf'
+  require 'scanf'
+
+  describe "String#block_scanf" do
+    it_behaves_like :scanf_string_block_scanf, :block_scanf
+  end
+end

spec/ruby/library/scanf/string/scanf_spec.rb

@@ -0,0 +1,56 @@
+require_relative '../../../spec_helper'
+
+ruby_version_is ''...'2.7' do
+  require_relative 'shared/block_scanf'
+  require 'scanf'
+
+  describe "String#scanf" do
+    it "returns an array containing the input converted in the specified type" do
+      "hello world".scanf("%s").should == ["hello"]
+      "hello world".scanf("%s%d").should == ["hello"]
+      "hello world".scanf("%s%c").should == ["hello", " "]
+      "hello world".scanf("%c%s").should == ["h", "ello"]
+      "hello world".scanf("%s%s").should == ["hello", "world"]
+      "hello world".scanf("%c").should == ["h"]
+      "123".scanf("%s").should == ["123"]
+      "123".scanf("%c").should == ["1"]
+      "123".scanf("%d").should == [123]
+      "123".scanf("%u").should == [123]
+      "123".scanf("%o").should == [83]
+      "123".scanf("%x").should == [291]
+      "123".scanf("%i").should == [123]
+      "0123".scanf("%i").should == [83]
+      "123".scanf("%f").should == [123.0]
+      "0X123".scanf("%i").should == [291]
+      "0x123".scanf("%i").should == [291]
+    end
+
+    it "returns an array containing the input converted in the specified type with given maximum field width" do
+      "hello world".scanf("%2s").should == ["he"]
+      "hello world".scanf("%2c").should == ["he"]
+      "123".scanf("%2s").should == ["12"]
+      "123".scanf("%2c").should == ["12"]
+      "123".scanf("%2d").should == [12]
+      "123".scanf("%2u").should == [12]
+      "123".scanf("%2o").should == [10]
+      "123".scanf("%2x").should == [18]
+      "123".scanf("%2i").should == [12]
+      "0123".scanf("%2i").should == [1]
+      "123".scanf("%2f").should == [12.0]
+      "0X123".scanf("%2i").should == [0]
+      "0X123".scanf("%3i").should == [1]
+      "0X123".scanf("%4i").should == [18]
+    end
+
+    it "returns an empty array when a wrong specifier is passed" do
+      "hello world".scanf("%a").should == []
+      "123".scanf("%1").should == []
+      "123".scanf("abc").should == []
+      "123".scanf(:d).should == []
+    end
+  end
+
+  describe "String#scanf with block" do
+    it_behaves_like :scanf_string_block_scanf, :scanf
+  end
+end

spec/ruby/library/scanf/string/shared/block_scanf.rb

@@ -0,0 +1,25 @@
+require 'scanf'
+
+describe :scanf_string_block_scanf, shared: true do
+  it "passes each match to the block as an array" do
+    a = []
+    "hello world".send(@method, "%s%s"){|w| a << w}
+    a.should == [["hello", "world"]]
+  end
+
+  it "keeps scanning the input and cycling back to the beginning of the input string" do
+    a = []
+    "hello world".send(@method, "%s"){|w| a << w}
+    a.should == [["hello"], ["world"]]
+
+    string = "123 abc 456 def 789 ghi"
+    s = string.send(@method, "%d%s"){|num,str| [num * 2, str.upcase]}
+    s.should == [[246, "ABC"], [912, "DEF"], [1578, "GHI"]]
+  end
+
+  it "returns an empty array when a wrong specifier is passed" do
+    a = []
+    "hello world".send(@method, "%z"){|w| a << w}
+    a.empty?.should be_true
+  end
+end