From 7a3e5ac2986d76e76328066da0e6f1c78c13976d Mon Sep 17 00:00:00 2001 From: Agis- Date: Mon, 1 Sep 2014 22:19:58 +0300 Subject: Time#change can now change nanoseconds (:nsec) Closes #16392. --- activesupport/CHANGELOG.md | 5 +++++ .../lib/active_support/core_ext/time/calculations.rb | 19 +++++++++++++------ activesupport/test/core_ext/time_ext_test.rb | 7 +++++++ 3 files changed, 25 insertions(+), 6 deletions(-) (limited to 'activesupport') diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index 8b76fa97d1..bc8d11a297 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,8 @@ +* Time#change can now change nanoseconds (:nsec) as a higher-precision + alternative to microseconds (:usec). + + *Agis Anastasooulos* + * `MessageVerifier.new` raises an appropriate exception if the secret is `nil`. This prevents `MessageVerifier#generate` from raising a cryptic error later on. diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 6a7bf7445a..ab8307429a 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -64,11 +64,12 @@ class Time # Returns a new Time where one or more of the elements have been changed according # to the +options+ parameter. The time options (:hour, :min, - # :sec, :usec) reset cascadingly, so if only the hour is passed, - # then minute, sec, and usec is set to 0. If the hour and minute is passed, then - # sec and usec is set to 0. The +options+ parameter takes a hash with any of these - # keys: :year, :month, :day, :hour, :min, - # :sec, :usec. + # :sec, :usec, :nsec) reset cascadingly, so if only + # the hour is passed, then minute, sec, usec and nsec is set to 0. If the hour + # and minute is passed, then sec, usec and nsec is set to 0. The +options+ + # parameter takes a hash with any of these keys: :year, :month, + # :day, :hour, :min, :sec, :usec + # :nsec. Path either :usec or :nsec, not both. # # Time.new(2012, 8, 29, 22, 35, 0).change(day: 1) # => Time.new(2012, 8, 1, 22, 35, 0) # Time.new(2012, 8, 29, 22, 35, 0).change(year: 1981, day: 1) # => Time.new(1981, 8, 1, 22, 35, 0) @@ -80,7 +81,13 @@ class Time new_hour = options.fetch(:hour, hour) new_min = options.fetch(:min, options[:hour] ? 0 : min) new_sec = options.fetch(:sec, (options[:hour] || options[:min]) ? 0 : sec) - new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + + if new_nsec = options[:nsec] + raise ArgumentError, "Can't change both :nsec and :usec at the same time: #{options.inspect}" if options[:usec] + new_usec = Rational(new_nsec, 1000) + else + new_usec = options.fetch(:usec, (options[:hour] || options[:min] || options[:sec]) ? 0 : Rational(nsec, 1000)) + end if utc? ::Time.utc(new_year, new_month, new_day, new_hour, new_min, new_sec, new_usec) diff --git a/activesupport/test/core_ext/time_ext_test.rb b/activesupport/test/core_ext/time_ext_test.rb index 9a5bd19be2..d59775001b 100644 --- a/activesupport/test/core_ext/time_ext_test.rb +++ b/activesupport/test/core_ext/time_ext_test.rb @@ -387,6 +387,8 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase assert_equal Time.local(2005,1,2,11, 6, 0, 0), Time.local(2005,1,2,11,22,33,44).change(:min => 6) assert_equal Time.local(2005,1,2,11,22, 7, 0), Time.local(2005,1,2,11,22,33,44).change(:sec => 7) assert_equal Time.local(2005,1,2,11,22,33, 8), Time.local(2005,1,2,11,22,33,44).change(:usec => 8) + assert_equal Time.local(2005,1,2,11,22,33, 8), Time.local(2005,1,2,11,22,33,2).change(:nsec => 8000) + assert_raise(ArgumentError) { Time.local(2005,1,2,11,22,33, 8).change(:usec => 1, :nsec => 1) } end def test_utc_change @@ -396,6 +398,7 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase assert_equal Time.utc(2005,2,22,16), Time.utc(2005,2,22,15,15,10).change(:hour => 16) assert_equal Time.utc(2005,2,22,16,45), Time.utc(2005,2,22,15,15,10).change(:hour => 16, :min => 45) assert_equal Time.utc(2005,2,22,15,45), Time.utc(2005,2,22,15,15,10).change(:min => 45) + assert_equal Time.utc(2005,1,2,11,22,33,8), Time.utc(2005,1,2,11,22,33,2).change(:nsec => 8000) end def test_offset_change @@ -405,7 +408,11 @@ class TimeExtCalculationsTest < ActiveSupport::TestCase assert_equal Time.new(2005,2,22,16,0,0,"-08:00"), Time.new(2005,2,22,15,15,10,"-08:00").change(:hour => 16) assert_equal Time.new(2005,2,22,16,45,0,"-08:00"), Time.new(2005,2,22,15,15,10,"-08:00").change(:hour => 16, :min => 45) assert_equal Time.new(2005,2,22,15,45,0,"-08:00"), Time.new(2005,2,22,15,15,10,"-08:00").change(:min => 45) + assert_equal Time.new(2005,2,22,15,15,10,"-08:00"), Time.new(2005,2,22,15,15,0,"-08:00").change(:sec => 10) + assert_equal 10, Time.new(2005,2,22,15,15,0,"-08:00").change(:usec => 10).usec + assert_equal 10, Time.new(2005,2,22,15,15,0,"-08:00").change(:nsec => 10).nsec assert_raise(ArgumentError) { Time.new(2005, 2, 22, 15, 15, 45, "-08:00").change(:usec => 1000000) } + assert_raise(ArgumentError) { Time.new(2005, 2, 22, 15, 15, 45, "-08:00").change(:nsec => 1000000000) } end def test_advance -- cgit v1.2.3