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diff --git a/docs/4_APIs_and_Services/4.4_AGL_Test_Framework/5_Reference/4_LuaUnit_Assertion_Functions/2_Scientific_Assertions.md b/docs/4_APIs_and_Services/4.4_AGL_Test_Framework/5_Reference/4_LuaUnit_Assertion_Functions/2_Scientific_Assertions.md new file mode 100644 index 0000000..4c2208a --- /dev/null +++ b/docs/4_APIs_and_Services/4.4_AGL_Test_Framework/5_Reference/4_LuaUnit_Assertion_Functions/2_Scientific_Assertions.md @@ -0,0 +1,57 @@ +--- +edit_link: '' +title: Scientific Assertions +origin_url: >- + https://git.automotivelinux.org/apps/app-afb-test/plain/docs/Reference/LuaUnitAssertionFunctions/2_ScientificAssertions.md?h=master +--- + +<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/apis_services/master/app-afb-test-developer-guides-api-services-book.yml --> + +# Scientific assertions + +>**Note** +>If you need to deal with value minus zero, be very careful because Lua versions +are inconsistent on how they treat the >syntax -0 : it creates either a plus +zero or a minus zero. Multiplying or dividing 0 by -1 also yields inconsistent > +results. The reliable way to create the -0 value is : minusZero = -1 / (1/0). + +* **_AFT.assertIsNaN(value)** + Assert that a given number is a *NaN* (Not a Number), according to the + definition of IEEE-754_ . If provided, *extra_msg* is a string which will + be printed along with the failure message. + +* **_AFT.assertIsPlusInf(value)** + + Assert that a given number is *plus infinity*, according to the definition of + IEEE-754_. If provided, *extra_msg* is a string which will be printed along + with the failure message. + +* **_AFT.assertIsMinusInf(value)** + + Assert that a given number is *minus infinity*, according to the definition of + IEEE-754_. If provided, *extra_msg* is a string which will be printed along + with the failure message. + +* **_AFT.assertIsInf(value)** + + Assert that a given number is *infinity* (either positive or negative), + according to the definition of IEEE-754_. If provided, *extra_msg* is a string + which will be printed along with the failure message. + +* **_AFT.assertIsPlusZero(value)** + + Assert that a given number is *+0*, according to the definition of IEEE-754_. + The verification is done by dividing by the provided number and verifying + that it yields *infinity* . If provided, *extra_msg* is a string which will + be printed along with the failure message. + + Be careful when dealing with *+0* and *-0*, see note above + +* **_AFT.assertIsMinusZero(value)** + + Assert that a given number is *-0*, according to the definition of IEEE-754_. + The verification is done by dividing by the provided number and verifying that + it yields *minus infinity* . If provided, *extra_msg* is a string which will + be printed along with the failure message. + + Be careful when dealing with *+0* and *-0*
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