add tests for printing subnormals

JuliaLang · Oct 16, 2019 · b6f5258 · b6f5258
1 parent a950f82
commit b6f5258
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/test/ryu.jl b/test/ryu.jl
@@ -731,7 +731,7 @@ end
  @test Ryu.writeexp(1e-63, 0) == "1e-63"
  @test Ryu.writeexp(1e-63, 1) == "1.0e-63"
  @test Ryu.writeexp(1e+83, 0) == "1e+83"
- @test Ryu.writeexp(1e+83, 1) == "1.0e+83"
+324 @test Ryu.writeexp(1e+83, 1) == "1.0e+83"
 end
 
 end # exp
@@ -758,6 +758,11 @@ end # exp
  @test stringcompact(1.015625) == "1.01562"
  @test stringcompact(1.046875) == "1.04688"
  @test stringcompact(0.025621074) == "0.0256211"
+
+ # subnormals
+ @test stringcompact(eps(0.0)) == "5.0e-324"
+ @test stringcompact(eps(0f0)) == "1.0f-45"
+ @test stringcompact(eps(Float16(0.0))) == "6.0e-8"
 end
 
 end # Ryu