Merge pull request #10633 from igfoo/igfoo/ministdlib

Kotlin: Add a ministdlib test

java/ql/test/kotlin/library-tests/ministdlib/MiniStdLib.kt

@@ -0,0 +1,33 @@
+package kotlin
+
+/*
+This is a mini standard library replacement, to make it easy to write
+very small tests that create very small databases.
+
+If you define a class, then you will need to also define any members that
+compiler/ir/ir.psi2ir/src/org/jetbrains/kotlin/psi2ir/descriptors/IrBuiltInsOverDescriptors.kt
+expects (e.g. with findFunctions(...).first) to exist.
+*/
+
+public open class Any {
+    fun toString(): String { return this.toString() }
+    open operator fun equals(other: Any?): Boolean { return this.equals(other) }
+}
+
+public class String {
+    operator fun plus(other: Any?): String { return this.plus(other) }
+}
+
+public class Boolean {
+    operator fun not(): Boolean { return this.not() }
+}
+
+public class Int {
+    operator fun plus(other: Int): Int { return this.plus(other) }
+    operator fun times(other: Int): Int { return this.times(other) }
+    infix fun xor(other: Int): Int { return this.xor(other) }
+}
+
+public object Unit {
+}
+

java/ql/test/kotlin/library-tests/ministdlib/MyClass.kt

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+class MyClass {}

java/ql/test/kotlin/library-tests/ministdlib/classes.expected

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+| MiniStdLib.kt:12:1:15:1 | Any |
+| MiniStdLib.kt:17:1:19:1 | String |
+| MiniStdLib.kt:21:1:23:1 | Boolean |
+| MiniStdLib.kt:25:1:29:1 | Int |
+| MiniStdLib.kt:31:1:32:1 | Unit |
+| MyClass.kt:1:1:1:16 | MyClass |
+| file://:0:0:0:0 | FakeKotlinClass |

java/ql/test/kotlin/library-tests/ministdlib/classes.ql

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+import java
+
+from Class c
+select c

java/ql/test/kotlin/library-tests/ministdlib/options

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+codeql-extractor-kotlin-options: -no-jdk -no-reflect -no-stdlib -Xallow-kotlin-package