New stdlib generators

libraries/stdlib/test/text/StringTest.kt

@@ -0,0 +1,50 @@
+package test.text
+
+import kotlin.test.*
+import org.junit.Test as test
+
+class StringTest {
+
+    test fun startsWith() {
+        assertTrue("abcd".startsWith("ab"))
+        assertTrue("abcd".startsWith("abcd"))
+        assertTrue("abcd".startsWith("a"))
+        assertFalse("abcd".startsWith("abcde"))
+        assertFalse("abcd".startsWith("b"))
+        assertFalse("".startsWith('a'))
+    }
+
+    test fun endsWith() {
+        assertTrue("abcd".endsWith("d"))
+        assertTrue("abcd".endsWith("abcd"))
+        assertFalse("abcd".endsWith("b"))
+        assertFalse("".endsWith('a'))
+    }
+
+    test fun testStartsWithChar() {
+        assertTrue("abcd".startsWith('a'))
+        assertFalse("abcd".startsWith('b'))
+        assertFalse("".startsWith('a'))
+    }
+
+    test fun testEndsWithChar() {
+        assertTrue("abcd".endsWith('d'))
+        assertFalse("abcd".endsWith('b'))
+        assertFalse("".endsWith('a'))
+    }
+
+    test fun capitalize() {
+        assertEquals("A", "A".capitalize())
+        assertEquals("A", "a".capitalize())
+        assertEquals("Abcd", "abcd".capitalize())
+        assertEquals("Abcd", "Abcd".capitalize())
+    }
+
+    test fun decapitalize() {
+        assertEquals("a", "A".decapitalize())
+        assertEquals("a", "a".decapitalize())
+        assertEquals("abcd", "abcd".decapitalize())
+        assertEquals("abcd", "Abcd".decapitalize())
+        assertEquals("uRL", "URL".decapitalize())
+    }
+}