diff options
Diffstat (limited to 'tests/README.txt')
| -rw-r--r-- | tests/README.txt | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/tests/README.txt b/tests/README.txt deleted file mode 100644 index bfe35ca..0000000 --- a/tests/README.txt +++ /dev/null @@ -1,48 +0,0 @@ -Run on Android with - -1) Build the tests. -2) Install the calculator with -adb install <tree root>/out/target/product/generic/data/app/ExactCalculator/ExactCalculator.apk -3) adb install <tree root>/out/target/product/generic/data/app/ExactCalculatorTests/ExactCalculatorTests.apk -4) adb shell am instrument -w com.android.calculator2.tests/android.test.InstrumentationTestRunner - -There are three kinds of tests: - -1. A superficial test of calculator functionality through the UI. -This is a resurrected version of a test that appeared in KitKat. -This is currently only a placeholder for regression tests we shouldn't -forget; it doesn't yet actually do much of anything. - -2. A test of the BoundedRationals library that mostly checks for agreement -with the constructive reals (CR) package. (The BoundedRationals package -is used by the calculator mostly to identify exact results, i.e. -terminating decimal expansions. But it's also used to optimize CR -computations, and bugs in BoundedRational could result in incorrect -outputs.) - -3. A quick test of Evaluator.testUnflipZeroes(), which we do not know how to -test manually. - -We currently have no automatic tests for display formatting corner cases. -The following numbers have exhibited problems in the past and would be good -to test. Some of them are difficult to test automatically, because they -require scrolling to both ends of the result. For those with finite -decimal expansions, it also worth confirming that the "display with leading -digits" display shows an exact value when scrolled all the way to the right. - -Some interesting manual test cases: - -10^10 + 10^30 -10^30 + 10^-10 --10^30 + 20 -10^30 + 10^-30 --10^30 - 10^10 --1.2x10^-9 --1.2x10^-8 --1.2x10^-10 --10^-12 -1 - 10^-98 -1 - 10^-100 -1 - 10^-300 -1/-56x10^18 (on a Nexus 7 sized portrait display) --10^-500 (scroll to see the 1, then scroll back & verify minus sign appears) |