fix printing negative zero in JS backend (#16505)

2020-12-29 08:50:22 -06:00 · 2020-12-29 08:50:22 -06:00 · 89a2390f8b
commit 89a2390f8b
parent 732419ae90
2 changed files with 33 additions and 1 deletions
--- a/tests/misc/tnegativezero.nim
+++ b/tests/misc/tnegativezero.nim
@ -0,0 +1,30 @@
+discard """
+  targets: "c cpp js"
+"""
+
+proc main()=
+  block:
+    let a = -0.0
+    doAssert $a == "-0.0"
+    doAssert $(-0.0) == "-0.0"
+
+  block:
+    let a = 0.0
+    when nimvm: discard ## TODO VM print wrong -0.0
+    else:
+      doAssert $a == "0.0"
+    doAssert $(0.0) == "0.0"
+
+  block:
+    let b = -0
+    doAssert $b == "0"
+    doAssert $(-0) == "0"
+
+  block:
+    let b = 0
+    doAssert $b == "0"
+    doAssert $(0) == "0"
+
+
+static: main()
+main()