Rewrite diff methods

spec/entity_spec.cr

@@ -3,10 +3,43 @@ require "./spec_helper"
 module Dayoff::Test
   extend self
 
-  describe "can check same date" do
+  it "planned can calc in range" do
     planned_date = PlannedDate.new(t(1, 12), 8)
-    date = t(1, 20)
-    res = planned_date.same_date? date
-    res.should be_true
+    t1 = t(1, 0)
+    t2 = t(2, 0)
+    res = planned_date.in_range t1, t2
+    res.total_hours.should eq 8
+  end
+
+  it "planned can calc in range 2" do
+    planned_date = PlannedDate.new(t(3, 0), 8)
+    t1 = t(1, 0)
+    t2 = t(2, 0)
+    res = planned_date.in_range t1, t2
+    res.total_hours.should eq 0
+  end
+
+  it "planned can calc in range 2" do
+    planned_date = PlannedDate.new(d(1), 8)
+    t1 = t(1, 0).at_beginning_of_day
+    t2 = t(1, 0).at_end_of_day
+    res = planned_date.in_range t1, t2
+    res.total_hours.should eq 8
+  end
+
+  it "worked can calc in range" do
+    work_record = WorkRecord.new(t(1, 10), t(1, 20))
+    t1 = t(1, 15).at_beginning_of_day
+    t2 = t(1, 15)
+    res = work_record.in_range t1, t2
+    res.total_hours.should eq 5
+  end
+
+  it "worked can calc in range 2" do
+    work_record = WorkRecord.new(t(1, 10), t(1, 20))
+    t1 = t(2, 15).at_beginning_of_day
+    t2 = t(2, 15)
+    res = work_record.in_range t1, t2
+    res.total_hours.should eq 0
   end
 end