1 files changed, 102 insertions, 0 deletions
diff --git a/test/t/float.rb b/test/t/float.rb
new file mode 100644
index 000000000..9f264bb42
--- /dev/null
+++ b/test/t/float.rb
@@ -0,0 +1,102 @@
+##
+# Float ISO Test
+
+assert('Float', '15.2.9') do
+  Float.class == Class
+end
+
+assert('Float#+', '15.2.9.3.1') do
+  a = 3.123456788 + 0.000000001
+  b = 3.123456789 + 1
+
+  check_float(a, 3.123456789) and 
+    check_float(b, 4.123456789)
+end
+
+assert('Float#-', '15.2.9.3.2') do
+  a = 3.123456790 - 0.000000001
+  b = 5.123456789 - 1
+
+  check_float(a, 3.123456789) and 
+    check_float(b, 4.123456789)  
+end
+
+assert('Float#*', '15.2.9.3.3') do
+  a = 3.123456789 * 3.123456789
+  b = 3.123456789 * 1
+
+  check_float(a, 9.75598231275019) and
+    check_float(b, 3.123456789)
+end
+
+assert('Float#/', '15.2.9.3.4') do
+  a = 3.123456789 / 3.123456789
+  b = 3.123456789 / 1
+
+  check_float(a, 1.0) and
+    check_float(b, 3.123456789)
+end
+
+assert('Float#%', '15.2.9.3.5') do
+  a = 3.123456789 % 3.123456789
+  b = 3.123456789 % 1
+
+  check_float(a, 0.0) and
+    check_float(b, 0.123456789)
+end
+
+assert('Float#<=>', '15.2.9.3.6') do
+  a = 3.123456789 <=> 3.123456788
+  b = 3.123456789 <=> 3.123456789 
+  c = 3.123456789 <=> 3.123456790
+  a2 = 3.123456789 <=> 3
+  c2 = 3.123456789 <=> 4
+    
+  a == 1 and b == 0 and c == -1 and
+    a2 == 1 and c2 == -1
+end
+
+assert('Float#==', '15.2.9.3.7') do
+  3.1 == 3.1 and not (3.1 == 3.2)
+end
+
+assert('Float#ceil', '15.2.9.3.8') do
+  3.123456789.ceil == 4
+end
+
+assert('Float#finite?', '15.2.9.3.9') do
+  3.123456789.finite? and
+    not (1.0 / 0.0).finite?
+end
+
+assert('Float#floor', '15.2.9.3.10') do
+  3.123456789.floor == 3
+end
+
+assert('Float#infinite?', '15.2.9.3.11') do
+  not 3.123456789.infinite? and 
+    (1.0 / 0.0).infinite?
+end
+
+assert('Float#round', '15.2.9.3.12') do
+  a = 3.123456789.round
+  b = 3.5.round
+  c = 3.499999999.round
+
+  a == 3 and b == 4 and c == 3
+end
+
+assert('Float#to_f', '15.2.9.3.13') do
+  a = 3.123456789
+
+  check_float(a.to_f, a)
+end
+
+assert('Float#to_i', '15.2.9.3.14') do
+  3.123456789.to_i == 3
+end
+
+assert('Float#truncate', '15.2.9.3.15') do
+  3.123456789.truncate == 3
+end
+