Changeset 439 for EcnlProtoTool/trunk/mruby-2.1.1/test/t/float.rb

Timestamp:

Jul 9, 2020, 8:51:43 AM (4 years ago)

Author:

coas-nagasima

Message:

mrubyを2.1.1に更新

Location:

EcnlProtoTool/trunk/mruby-2.1.1

Files:

• . (moved) (moved from EcnlProtoTool/trunk/mruby-1.3.0 )
• test/t/float.rb (modified) (5 diffs)

EcnlProtoTool/trunk/mruby-2.1.1/test/t/float.rb

@@ -1 +1 @@
 ##
 # Float ISO Test
+
+if Object.const_defined?(:Float)
 
 assert('Float', '15.2.9') do
@@ -81 +83 @@
 
 assert('Float#finite?', '15.2.9.3.9') do
-  assert_true 3.123456789.finite?
-  assert_false (1.0 / 0.0).finite?
+  assert_predicate 3.123456789, :finite?
+  assert_not_predicate 1.0 / 0.0, :finite?
 end
 
@@ -138 +140 @@
   assert_raise(FloatDomainError){ nan.round }
   assert_raise(FloatDomainError){ nan.round(-1) }
-  assert_true(nan.round(1).nan?)
+  assert_predicate(nan.round(1), :nan?)
 end
 
@@ -177 +179 @@
 
 assert('Float#nan?') do
-  assert_true (0.0/0.0).nan?
-  assert_false 0.0.nan?
-  assert_false (1.0/0.0).nan?
-  assert_false (-1.0/0.0).nan?
+  assert_predicate(0.0/0.0, :nan?)
+  assert_not_predicate(0.0, :nan?)
+  assert_not_predicate(1.0/0.0, :nan?)
+  assert_not_predicate(-1.0/0.0, :nan?)
 end
 
@@ -204 +206 @@
   assert_equal(-1, -23.0 >> 128)
 end
+
+assert('Float#to_s') do
+  uses_float = 4e38.infinite?  # enable MRB_USE_FLOAT?
+
+  assert_equal("Infinity", Float::INFINITY.to_s)
+  assert_equal("-Infinity", (-Float::INFINITY).to_s)
+  assert_equal("NaN", Float::NAN.to_s)
+  assert_equal("0", 0.0.to_s)
+  assert_equal("-0", -0.0.to_s)
+  assert_equal("-3.25", -3.25.to_s)
+  assert_equal("50", 50.0.to_s)
+  assert_equal("0.0125", 0.0125.to_s)
+  assert_equal("-0.0125", -0.0125.to_s)
+  assert_equal("1.0e-10", 0.0000000001.to_s)
+  assert_equal("-1.0e-10", -0.0000000001.to_s)
+  assert_equal("1.0e+20", 1e20.to_s)
+  assert_equal("-1.0e+20", -1e20.to_s)
+  assert_equal("1.0e+16", 10000000000000000.0.to_s)
+  assert_equal("-1.0e+16", -10000000000000000.0.to_s)
+  assert_equal("100000", 100000.0.to_s)
+  assert_equal("-100000", -100000.0.to_s)
+  if uses_float
+    assert_equal("1.0e+08", 100000000.0.to_s)
+    assert_equal("-1.0e+08", -100000000.0.to_s)
+    assert_equal("1.0e+07", 10000000.0.to_s)
+    assert_equal("-1.0e+07", -10000000.0.to_s)
+  else
+    assert_equal("1.0e+15", 1000000000000000.0.to_s)
+    assert_equal("-1.0e+15", -1000000000000000.0.to_s)
+    assert_equal("100000000000000", 100000000000000.0.to_s)
+    assert_equal("-100000000000000", -100000000000000.0.to_s)
+  end
+end
+
+assert('Float#eql?') do
+  assert_operator(5.0, :eql?, 5.0)
+  assert_not_operator(5.0, :eql?, 5)
+  assert_not_operator(5.0, :eql?, "5.0")
+end
+
+end # const_defined?(:Float)