[GR-19220] Implement Time#floor and #ceil (#2201)

PullRequest: truffleruby/2300
oracle · Jan 4, 2021 · 9d259b9 · 9d259b9
2 parents 5011dc1 + eba4899
commit 9d259b9
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Showing 4 changed files with 19 additions and 12 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -20,6 +20,7 @@ Compatibility:
 * Add support for `Integer#[Range]` and `Integer#[start, length]` (#2182, @gogainda).
 * Allow private calls with `self` as an explicit receiver (#2196, @wildmaples).
 * Fixed `:perm` parameter for `File.write`.
+* Implemented `Time#floor` and `#ceil` (#2201, @wildmaples).
 
 Performance:
 

diff --git a/spec/tags/core/time/ceil_tags.txt b/spec/tags/core/time/ceil_tags.txt
diff --git a/spec/tags/core/time/floor_tags.txt b/spec/tags/core/time/floor_tags.txt
diff --git a/src/main/ruby/truffleruby/core/time.rb b/src/main/ruby/truffleruby/core/time.rb
@@ -228,6 +228,24 @@ def round(places = 0)
     time + (rounded - original)
   end
 
+  def floor(places = 0)
+    original = to_i + subsec.to_r
+    floored = original.floor(places)
+
+    time = Time.allocate
+    time.send(:initialize_copy, self)
+    time + (floored - original)
+  end
+
+  def ceil(places = 0)
+    original = to_i + subsec.to_r
+    ceiled = original.ceil(places)
+
+    time = Time.allocate
+    time.send(:initialize_copy, self)
+    time + (ceiled - original)
+  end
+
   def self._load(data)
     # TODO: doesn't load ivars
     raise TypeError, 'marshaled time format differ' unless data.bytesize == 8