The Trunk: KernelTests-nice.164.mcz

Nicolas Cellier uploaded a new version of KernelTests to project The Trunk:
http://source.squeak.org/trunk/KernelTests-nice.164.mcz

==================== Summary ====================

Name: KernelTests-nice.164
Author: nice
Time: 22 September 2010, 12:02:13.329 am
UUID: 432cb71f-bfd7-4637-a4c4-1232904319e1
Ancestors: KernelTests-nice.163

Add tests for #sign and #sign: (which means #copySignOf: )
As usual, the case of Float negativeZero is more than tricky...

=============== Diff against KernelTests-nice.163 ===============

Item was added:
+ ----- Method: FloatTest>>testSign (in category 'testing') -----
+ testSign
+
+       "Set up"
+       | negatives negz positives strictNegatives strictPositives zero |
+       strictPositives := {2. 2.5. Float infinity}.
+       strictNegatives := {-3. -3.25. Float infinity negated}.
+       zero := 0.0.
+       negz := Float negativeZero.
+       positives := strictPositives copyWith: zero.
+       negatives := strictNegatives copyWith: negz.
+
+       "The sign of non zeros"
+       strictPositives do: [:aPositive | self assert: aPositive sign = 1].
+       strictNegatives do: [:aNegative | self assert: aNegative sign = -1].
+
+       "The sign of zeros"
+       self assert: zero sign = 0.
+       self assert: negz sign = -1. "remark though that negz >= 0.0, and is thus considered positive... Weird"
+
+       "Test the copy sign functions"
+       positives do: [:aPositiveSign |
+               positives do: [:aPositive |
+                       self assert: (aPositive sign: aPositiveSign) = aPositive].
+               negatives do: [:aNegative |
+                       self assert: (aNegative sign: aPositiveSign) = aNegative negated].
+               (0.0 sign: aPositiveSign) sign = 0.
+               (negz sign: aPositiveSign) sign = 0].
+
+       negatives do: [:aNegativeSign |
+               positives do: [:aPositive |
+                       self assert: (aPositive sign: aNegativeSign) = aPositive negated].
+               negatives do: [:aNegative |
+                       self assert: (aNegative sign: aNegativeSign) = aNegative].
+               (negz sign: aNegativeSign) sign = -1.
+               (negz sign: aNegativeSign) sign = -1].!