Add nested at-rule tests

Author: thecrypticace

tests/arbitrary-variants.test.js

@@ -158,6 +158,35 @@ test('at-rules', () => {
   })
 })
 
+test('nested at-rules', () => {
+  let config = {
+    content: [{
+      raw: html`<div class="[@media_screen{@media_(hover:hover)}]:underline"></div>`
+    }],
+    corePlugins: { preflight: false },
+  }
+
+  let input = css`
+    @tailwind base;
+    @tailwind components;
+    @tailwind utilities;
+  `
+
+  return run(input, config).then((result) => {
+    expect(result.css).toMatchFormattedCss(css`
+      ${defaults}
+
+      @media screen {
+        @media (hover: hover) {
+          .\[\@media_screen\{\@media_\(hover\:hover\)\}\]\:underline {
+            text-decoration-line: underline;
+          }
+        }
+      }
+    `)
+  })
+})
+
 test('at-rules with selector modifications', () => {
   let config = {
     content: [{ raw: html`<div class="[@media_(hover:hover){&:hover}]:underline"></div>` }],
@@ -183,6 +212,35 @@ test('at-rules with selector modifications', () => {
   })
 })
 
+test('nested at-rules with selector modifications', () => {
+  let config = {
+    content: [{
+      raw: html`<div class="[@media_screen{@media_(hover:hover){&:hover}}]:underline"></div>`
+    }],
+    corePlugins: { preflight: false },
+  }
+
+  let input = css`
+    @tailwind base;
+    @tailwind components;
+    @tailwind utilities;
+  `
+
+  return run(input, config).then((result) => {
+    expect(result.css).toMatchFormattedCss(css`
+      ${defaults}
+
+      @media screen {
+        @media (hover: hover) {
+          .\[\@media_screen\{\@media_\(hover\:hover\)\{\&\:hover\}\}\]\:underline:hover {
+            text-decoration-line: underline;
+          }
+        }
+      }
+    `)
+  })
+})
+
 test('attribute selectors', () => {
   let config = {
     content: [{ raw: html`<div class="[&[data-open]]:underline"></div>` }],