1 files changed, 55 insertions, 0 deletions
diff --git a/tests/compiler/tunittest_light.nim b/tests/compiler/tunittest_light.nim
new file mode 100644
index 000000000..422474002
--- /dev/null
+++ b/tests/compiler/tunittest_light.nim
@@ -0,0 +1,55 @@
+import compiler/unittest_light
+
+proc testAssertEquals() =
+  assertEquals("foo", "foo")
+  doAssertRaises(AssertionError):
+    assertEquals("foo", "foo ")
+
+proc testMismatch() =
+  assertEquals(1+1, 2*1)
+
+  let a = """
+  some test with space at the end of lines    
+
+  can be hard to spot differences when diffing in a terminal   
+  without this helper function
+
+"""
+
+  let b = """
+  some test with space at the end of lines    
+
+  can be hard to spot differences when diffing in a terminal  
+  without this helper function
+
+"""
+
+  let output = mismatch(a, b)
+  let expected = """
+
+lhs:{  some test with space at the end of lines    \n
+\n
+  can be hard to spot differences when diffing in a terminal   \n
+  without this helper function\n
+\n
+}
+rhs:{  some test with space at the end of lines    \n
+\n
+  can be hard to spot differences when diffing in a terminal  \n
+  without this helper function\n
+\n
+}
+lhs.len: 144 rhs.len: 143
+first mismatch index: 110
+lhs[i]: {" "}
+rhs[i]: {"\n"}
+lhs[0..<i]:{  some test with space at the end of lines    \n
+\n
+  can be hard to spot differences when diffing in a terminal  }"""
+
+  if output != expected:
+    echo output
+    doAssert false
+
+testMismatch()
+testAssertEquals()