1 files changed, 64 insertions, 0 deletions
diff --git a/kotlinpoet/src/commonTest/kotlin/com/squareup/kotlinpoet/FileReadingTest.kt b/kotlinpoet/src/commonTest/kotlin/com/squareup/kotlinpoet/FileReadingTest.kt
new file mode 100644
index 00000000..35719cf8
--- /dev/null
+++ b/kotlinpoet/src/commonTest/kotlin/com/squareup/kotlinpoet/FileReadingTest.kt
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.kotlinpoet
+
+import com.google.common.io.ByteStreams
+import com.google.common.truth.Truth.assertThat
+import java.net.URI
+import java.nio.charset.StandardCharsets.UTF_8
+import javax.tools.JavaFileObject.Kind
+import kotlin.test.Test
+
+class FileReadingTest {
+  @Test fun javaFileObjectUri() {
+    val type = TypeSpec.classBuilder("Test").build()
+    assertThat(FileSpec.get("", type).toJavaFileObject().toUri())
+      .isEqualTo(URI.create("Test.kt"))
+    assertThat(FileSpec.get("foo", type).toJavaFileObject().toUri())
+      .isEqualTo(URI.create("foo/Test.kt"))
+    assertThat(FileSpec.get("com.example", type).toJavaFileObject().toUri())
+      .isEqualTo(URI.create("com/example/Test.kt"))
+  }
+
+  @Test fun javaFileObjectKind() {
+    val source = FileSpec.get("", TypeSpec.classBuilder("Test").build())
+    assertThat(source.toJavaFileObject().kind).isEqualTo(Kind.SOURCE)
+  }
+
+  @Test fun javaFileObjectCharacterContent() {
+    val type = TypeSpec.classBuilder("Test")
+      .addKdoc("Pi\u00f1ata\u00a1")
+      .addFunction(FunSpec.builder("fooBar").build())
+      .build()
+    val source = FileSpec.get("foo", type)
+    val javaFileObject = source.toJavaFileObject()
+
+    // We can never have encoding issues (everything is in process)
+    assertThat(javaFileObject.getCharContent(true)).isEqualTo(source.toString())
+    assertThat(javaFileObject.getCharContent(false)).isEqualTo(source.toString())
+  }
+
+  @Test fun javaFileObjectInputStreamIsUtf8() {
+    val source = FileSpec.builder("foo", "Test")
+      .addType(TypeSpec.classBuilder("Test").build())
+      .addFileComment("Pi\u00f1ata\u00a1")
+      .build()
+    val bytes = ByteStreams.toByteArray(source.toJavaFileObject().openInputStream())
+
+    // KotlinPoet always uses UTF-8.
+    assertThat(bytes).isEqualTo(source.toString().toByteArray(UTF_8))
+  }
+}