1 files changed, 152 insertions, 0 deletions

diff --git a/test/bem/_composed-of.scss b/test/bem/_composed-of.scss
new file mode 100644
index 0000000..fcbf2c4
--- /dev/null
+++ b/test/bem/_composed-of.scss
@@ -0,0 +1,152 @@
+// sass-lint:disable class-name-format force-element-nesting force-pseudo-nesting mixins-before-declarations
+
+@use 'true' as *;
+@use '../../src/bem';
+
+//
+// Included test cases:
+//  - /// 1 /// - without namespace, single
+//  - /// 2 /// - with namespace, single
+//  - /// 3 /// - without namespace, multiple
+//  - /// 4 /// - with namespace, multiple
+//
+
+@include it('composed-of') {
+    @include assert('without namespace, single') { /// 1 ///
+        @include output(false) {
+            @include bem.block('something') {
+                font-size: 1em;
+            }
+
+            @include bem.block('another') {
+                @include bem.composed-of('something');
+
+                font-size: 2em;
+            }
+        }
+
+        @include expect(false) {
+            .something {
+                font-size: 1em;
+            }
+
+            .another {
+                font-size: 2em;
+            }
+        }
+    }
+
+    @each $ns in map-keys(bem.$namespaces) {
+        @include assert('with namespace "#{$ns}", single') { /// 2 ///
+            @include output(false) {
+                @include bem.block('something', $ns) {
+                    font-size: 1em;
+                }
+
+                @include bem.block('another') {
+                    @include bem.composed-of('something' $ns);
+
+                    font-size: 2em;
+                }
+            }
+
+            @include expect(false) {
+                @if $ns != 'theme' {
+                    .#{map-get(bem.$namespaces, $ns)}-something {
+                        font-size: 1em;
+                    }
+                } @else {
+                    .t-something,
+                    [class*=' t-'] .t-something,
+                    [class^='t-'] .t-something {
+                        font-size: 1em;
+                    }
+                }
+
+                .another {
+                    font-size: 2em;
+                }
+            }
+        }
+    }
+
+    @include assert('without namespace, multiple') { /// 3 ///
+        @include output(false) {
+            @include bem.block('something') {
+                font-size: 1em;
+            }
+
+            @include bem.block('somethingElse') {
+                font-size: 1em;
+            }
+
+            @include bem.block('another') {
+                @include bem.composed-of('something', 'somethingElse');
+
+                font-size: 2em;
+            }
+        }
+
+        @include expect(false) {
+            .something {
+                font-size: 1em;
+            }
+
+            .somethingElse {
+                font-size: 1em;
+            }
+
+            .another {
+                font-size: 2em;
+            }
+        }
+    }
+
+    @each $ns in map-keys(bem.$namespaces) {
+        @include assert('with namespace "#{$ns}", multiple') { /// 4 ///
+            @include output(false) {
+                @include bem.block('something', $ns) {
+                    font-size: 1em;
+                }
+
+                @include bem.block('somethingElse', $ns) {
+                    font-size: 1em;
+                }
+
+                @include bem.block('another') {
+                    @include bem.composed-of('something' $ns, 'somethingElse' $ns);
+
+                    font-size: 2em;
+                }
+            }
+
+            @include expect(false) {
+                @if $ns != 'theme' {
+                    .#{map-get(bem.$namespaces, $ns)}-something {
+                        font-size: 1em;
+                    }
+
+                    .#{map-get(bem.$namespaces, $ns)}-somethingElse {
+                        font-size: 1em;
+                    }
+                } @else {
+                    .t-something,
+                    [class*=' t-'] .t-something,
+                    [class^='t-'] .t-something {
+                        font-size: 1em;
+                    }
+
+                    .t-somethingElse,
+                    [class*=' t-'] .t-somethingElse,
+                    [class^='t-'] .t-somethingElse {
+                        font-size: 1em;
+                    }
+                }
+
+                .another {
+                    font-size: 2em;
+                }
+            }
+        }
+    }
+}