From a63341b901ab8bcda0886dea8d267c5e29644245 Mon Sep 17 00:00:00 2001
From: Ilya Gorbunov <ilya.gorbunov@jetbrains.com>
Date: Mon, 7 Sep 2015 18:01:21 +0300
Subject: [PATCH] Some tests for assertion messages.

---
 libraries/stdlib/test/test/TestJVMTest.kt | 90 +++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 libraries/stdlib/test/test/TestJVMTest.kt

diff --git a/libraries/stdlib/test/test/TestJVMTest.kt b/libraries/stdlib/test/test/TestJVMTest.kt
new file mode 100644
index 00000000000..2af9d5584c9
--- /dev/null
+++ b/libraries/stdlib/test/test/TestJVMTest.kt
@@ -0,0 +1,90 @@
+package test.test
+
+import kotlin.test.*
+import org.junit.Test
+
+
+class TestJVMTest {
+
+    private fun expectAssertion(checkAssertion: (String?) -> Unit, block: () -> Unit) {
+        try {
+            block()
+        }
+        catch (e: AssertionError) {
+            checkAssertion(e.getMessage())
+            return
+        }
+        fail("Expected AssertionError to be thrown.")
+    }
+
+    private val message = "Some details"
+    private val expected = object {
+        override fun toString() = "expected"
+    }
+    private val actual = object {
+        override fun toString() = "actual"
+    }
+
+    Test fun assertEqualsMessage() {
+        expectAssertion( { msg ->
+            assertNotNull(msg); msg!!
+            assertTrue { msg.contains(expected.toString()) }
+            assertTrue { msg.contains(actual.toString()) }
+            assertFalse { msg.startsWith(".") }
+        }, { assertEquals(expected, actual) })
+
+        expectAssertion( { msg ->
+            assertNotNull(msg); msg!!
+            assertTrue { msg.contains(message) }
+            assertTrue { msg.contains(expected.toString()) }
+            assertTrue { msg.contains(actual.toString()) }
+        } , { assertEquals(expected, actual, message) })
+    }
+
+    Test fun assertNotEqualsMessage() {
+        expectAssertion( { msg ->
+            assertNotNull(msg); msg!!
+            assertTrue { msg.contains(actual.toString()) }
+            assertFalse { msg.startsWith(".") }
+        }, { assertNotEquals(actual, actual) })
+
+        expectAssertion( { msg ->
+            assertNotNull(msg); msg!!
+            assertTrue { msg.contains(message) }
+            assertTrue { msg.contains(actual.toString()) }
+        } , { assertNotEquals(actual, actual, message) })
+    }
+
+
+    Test fun assertTrueMessage() {
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertTrue(false) })
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertTrue { false } })
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertTrue(null) { false } })
+        expectAssertion( { msg -> msg!!.contains(message)}, { assertTrue(false, message)})
+        expectAssertion( { msg -> msg!!.contains(message)}, { assertTrue(message) { false }})
+    }
+
+    Test fun assertFalseMessage() {
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertFalse(true) })
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertFalse { true } })
+        expectAssertion( { msg -> assertNotNull(msg) }, { assertFalse(null) { true } })
+        expectAssertion( { msg -> assertTrue(msg!!.contains(message)) }, { assertFalse(true, message)})
+        expectAssertion( { msg -> assertTrue(msg!!.contains(message)) }, { assertFalse(message) { true }})
+    }
+
+    Test fun assertNotNullMessage() {
+        expectAssertion( { msg -> msg!! }, { assertNotNull(null) })
+        expectAssertion( { msg -> assertTrue(msg!!.contains(message)) }, { assertNotNull(null, message)})
+    }
+
+    Test fun assertNullMessage() {
+        expectAssertion( { msg -> msg!! }, { assertNull(actual) })
+        expectAssertion( { msg -> msg!!
+            assertTrue(msg.contains(message))
+            assertTrue(msg.contains(actual.toString()))
+        }, { assertNull(actual, message)})
+    }
+
+
+
+}
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