testHouseholder added#178
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SergeStinckwich merged 2 commits intoPolyMathOrg:masterfrom Aug 24, 2020
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| u := #(-1 0 1) asPMVector. "`x <= 0` when x = -1" | ||
| w := u householder. | ||
| self | ||
| assert: w class equals: Array; |
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I think you can omit this check.
| u := #(1.00001 2.00007) asPMVector. "`x <= 0` when x = 1.00001" | ||
| w := u householder. | ||
| self | ||
| assert: w class equals: Array; |
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You can omit this, too, I think.
Member
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Thank you @mabdi for your contribution ! Can you take care about the remarks of Hemal and we can integrate your test. |
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Author
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Of course, I omitted the type-assertions. Please check again. |
Member
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Thank you for increasing our test coverage ;-) |
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I submit this pull request to suggest a test method
PMVectorTest >> testHouseholder.We noticed that the method #householder is never executed by any of the tests in PMVectorTest. Therefore we created a test method which uses two vectors to exercise both branches in line 203
(x <=0) ifTrue: [x -u] ifFalse: [0 - s / (x + u)]. In the former vectorx = -1forces the ifTrue branch in the latter vectorx = 1.00001forces the ifFalse branch.Note that these suggestions are adapted from a test amplification tool called SmallAmp (https://github.com/mabdi/small-amp). SmallAmp executes existing tests, sees which parts of the class under test are not covered and then suggests improvements on the test methods.
I hope you will accept this pull request. It would illustrate that SmallAmp makes relevant suggestions.
Mehrdad Abdi.