Add JavaScript test for constants in Consts.cpp.

testing/resources/javascript/consts_expected.txt

Index: testing/resources/javascript/consts_expected.txt
diff --git a/testing/resources/javascript/consts_expected.txt b/testing/resources/javascript/consts_expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c32d480f1460966d4377a7e293fcf645a54f8cb5
--- /dev/null
+++ b/testing/resources/javascript/consts_expected.txt
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+Alert: border.s is solid
+Alert: border.b is beveled
+Alert: border.d is dashed
+Alert: border.i is inset
+Alert: border.u is underline
+Alert: border.nonesuch is undefined
+Alert: display.visible is 0
+Alert: display.hidden is 1
+Alert: display.noPrint is 2
+Alert: display.noView is 3
+Alert: display.nonesuch is undefined
+Alert: font.Times is Times-Roman
+Alert: font.TimesB is Times-Bold
+Alert: font.TimesI is Times-Italic
+Alert: font.TimesBI is Times-BoldItalic
+Alert: font.Helv is Helvetica
+Alert: font.HelvB is Helvetica-Bold
+Alert: font.HelvI is Helvetica-Oblique
+Alert: font.HelvBI is Helvetica-BoldOblique
+Alert: font.Cour is Courier
+Alert: font.CourB is Courier-Bold
+Alert: font.CourI is Courier-Oblique
+Alert: font.CourBI is Courier-BoldOblique
+Alert: font.Symbol is Symbol
+Alert: font.ZapfD is ZapfDingbats
+Alert: font.Nonesuch is undefined
+Alert: highlight.n is none
+Alert: highlight.i is invert
+Alert: highlight.p is push
+Alert: highlight.o is outline
+Alert: highlight.nonesuch is undefined
+Alert: position.textOnly is 0
+Alert: position.iconOnly is 1
+Alert: position.iconTextV is 2
+Alert: position.textIconV is 3
+Alert: position.iconTextH is 4
+Alert: position.textIconH is 5
+Alert: position.overlay is 6
+Alert: position.nonesuch is undefined
+Alert: scaleHow.proportional is 0
+Alert: scaleHow.anamorphic is 1
+Alert: scaleHow.nonesuch is undefined
+Alert: scaleWhen.always is 0
+Alert: scaleWhen.never is 1
+Alert: scaleWhen.tooBig is 2
+Alert: scaleWhen.tooSmall is 3
+Alert: scaleWhen.nonesuch is undefined
+Alert: style.ch is check
+Alert: style.cr is cross
+Alert: style.di is diamond
+Alert: style.ci is circle
+Alert: style.st is star
+Alert: style.sq is square
+Alert: style.nonesuch is undefined
+Alert: zoomtype.none is NoVary
+Alert: zoomtype.fitP is FitPage
+Alert: zoomtype.fitW is FitWidth
+Alert: zoomtype.fitH is FitHeight
+Alert: zoomtype.fitV is FitVisibleWidth
+Alert: zoomtype.pref is Preferred
+Alert: zoomtype.refW is ReflowWidth
+Alert: zoomtype.nonesuch is undefined