Fix #68 - fix interpolateCubehelixDefault.

d3 · Jun 15, 2016 · 9dab7c4 · 9dab7c4
1 parent 87972e2
commit 9dab7c4
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/src/cubehelix.js b/src/cubehelix.js
@@ -1,6 +1,4 @@
 import {cubehelix} from "d3-color";
 import {interpolateCubehelixLong} from "d3-interpolate";
 
-export default function() {
-  return interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0));
-}
+export default interpolateCubehelixLong(cubehelix(300, 0.5, 0.0), cubehelix(-240, 0.5, 1.0));
diff --git a/test/cubehelix-test.js b/test/cubehelix-test.js
@@ -0,0 +1,11 @@
+var tape = require("tape"),
+    d3 = require("../");
+
+tape("interpolateCubehelixDefault(t) returns the expected values", function(test) {
+  test.equal(d3.interpolateCubehelixDefault(0.0), "rgb(0, 0, 0)");
+  test.equal(d3.interpolateCubehelixDefault(0.2), "rgb(22, 61, 78)");
+  test.equal(d3.interpolateCubehelixDefault(0.5), "rgb(160, 121, 73)");
+  test.equal(d3.interpolateCubehelixDefault(0.8), "rgb(193, 202, 243)");
+  test.equal(d3.interpolateCubehelixDefault(1.0), "rgb(255, 255, 255)");
+  test.end();
+});