From 5501c3b6fcbbe9b811e2cdf8aa6bf3d9d93d7020 Mon Sep 17 00:00:00 2001
From: XhmikosR <xhmikosr@gmail.com>
Date: Tue, 9 Aug 2016 10:42:26 +0300
Subject: [PATCH] Add a test case for `calc` and `strictMath`.

---
 Gruntfile.js            | 7 +++++++
 test/expected/calc.css  | 3 +++
 test/fixtures/calc.less | 3 +++
 test/less_test.js       | 9 +++++++++
 4 files changed, 22 insertions(+)
 create mode 100644 test/expected/calc.css
 create mode 100644 test/fixtures/calc.less

diff --git a/Gruntfile.js b/Gruntfile.js
index cdabfe5..5bf6543 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -212,6 +212,13 @@ module.exports = function(grunt) {
           'tmp/customFunctions.css': ['test/fixtures/customFunctions.less']
         }
       },
+      calc: {
+        options: {
+          strictMath: true
+        },
+        src: 'test/fixtures/calc.less',
+        dest: 'tmp/calc.css'
+      },
       modifyVars: {
         options: {
           modifyVars: {
diff --git a/test/expected/calc.css b/test/expected/calc.css
new file mode 100644
index 0000000..279142c
--- /dev/null
+++ b/test/expected/calc.css
@@ -0,0 +1,3 @@
+.a {
+  padding-top: calc(var(--header-height) + 1rem);
+}
diff --git a/test/fixtures/calc.less b/test/fixtures/calc.less
new file mode 100644
index 0000000..279142c
--- /dev/null
+++ b/test/fixtures/calc.less
@@ -0,0 +1,3 @@
+.a {
+  padding-top: calc(var(--header-height) + 1rem);
+}
diff --git a/test/less_test.js b/test/less_test.js
index 375684d..d598b8b 100644
--- a/test/less_test.js
+++ b/test/less_test.js
@@ -151,6 +151,15 @@ exports.less = {
 
     test.done();
   },
+  calc: function(test) {
+    test.expect(1);
+
+    var actual = read('tmp/calc.css');
+    var expected = read('test/expected/calc.css');
+    test.equal(expected, actual, 'should process calc function with `strictMath`');
+
+    test.done();
+  },
   customFunctions: function(test) {
     test.expect(1);