diff --git a/tests/markdown/variables.test.js b/tests/markdown/variables.test.js
index e6018e19f..f53f5558d 100644
--- a/tests/markdown/variables.test.js
+++ b/tests/markdown/variables.test.js
@@ -370,4 +370,22 @@ describe('Cross-page variables', ()=>{
 		const rendered = renderAllPages([source0, source1]).join('\n\\page\n').trimReturns();
 		expect(rendered, `Input:\n${[source0, source1].join('\n\\page\n')}`, { showPrefix: false }).toBe('<p>two</p><p>one</p>\\page<p>two</p>');
 	});
+});
+
+describe('Variable names as function parameters', ()=>{
+	it('Single parameter as variable', function() {
+		const source = '[var]:4.1\n\n$[floor(var)]';
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>4</p>`);
+	});
+	it('Two parameters, one variable', function() {
+		const source = '[var]:4\n\n$[min(1,var)]';
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>1</p>`);
+	});
+	it('Two parameters, both variables', function() {
+		const source = '[var1]:4\n\n[var2]:8\n\n$[min(var1,var2)]';
+		const rendered = Markdown.render(source).trimReturns();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>4</p>`);
+	});
 });
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