Add calculator precision option (#882)

* Add calculator precision option

* Fix loading of minecraft classes from some tests

3 files changed, 75 insertions, 1 deletions

diff --git a/src/test/kotlin/io/github/moulberry/notenoughupdates/util/BootstrapHook.kt b/src/test/kotlin/io/github/moulberry/notenoughupdates/util/BootstrapHook.kt
new file mode 100644
index 00000000..cab10aaa
--- /dev/null
+++ b/src/test/kotlin/io/github/moulberry/notenoughupdates/util/BootstrapHook.kt
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2023 NotEnoughUpdates contributors
+ *
+ * This file is part of NotEnoughUpdates.
+ *
+ * NotEnoughUpdates is free software: you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation, either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * NotEnoughUpdates is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package io.github.moulberry.notenoughupdates.util
+
+import net.minecraft.block.Block
+import net.minecraft.block.BlockFire
+import net.minecraft.init.Bootstrap
+import net.minecraft.item.Item
+import org.junit.jupiter.api.extension.BeforeAllCallback
+import org.junit.jupiter.api.extension.Extension
+import org.junit.jupiter.api.extension.ExtensionContext
+import java.util.concurrent.locks.Lock
+import java.util.concurrent.locks.ReentrantLock
+
+class BootstrapHook : BeforeAllCallback, Extension {
+    companion object {
+        private val LOCK: Lock = ReentrantLock()
+        private var bootstrapped = false
+    }
+
+    override fun beforeAll(p0: ExtensionContext?) {
+        LOCK.lock()
+        try {
+            if (!bootstrapped) {
+                bootstrapped = true
+
+                Bootstrap::class.java.getDeclaredField("alreadyRegistered").also { it.isAccessible = true }
+                    .set(null, true)
+                Block.registerBlocks()
+                BlockFire.init()
+                Item.registerItems()
+            }
+        } finally {
+            LOCK.unlock()
+        }
+    }
+}
diff --git a/src/test/kotlin/io/github/moulberry/notenoughupdates/util/CalculatorTest.kt b/src/test/kotlin/io/github/moulberry/notenoughupdates/util/CalculatorTest.kt
index ce866eec..6c4b1e1c 100644
--- a/src/test/kotlin/io/github/moulberry/notenoughupdates/util/CalculatorTest.kt
+++ b/src/test/kotlin/io/github/moulberry/notenoughupdates/util/CalculatorTest.kt
@@ -41,7 +41,7 @@ internal class CalculatorTest {
         calculationShouldBe("(1)+1", 2)
         calculationShouldBe("-0", 0)
         calculationShouldBe("-10+2", -8)
-        calculationShouldBe("14k*23m/2.35+596123-9213", 137021863505.74)
+        calculationShouldBe("14k*23m/2.35+596123-9213", 137021863505.74467)
         calculationShouldBe("1+-10+2", -7)
         calculationShouldBe("2**--10", 2.0.pow(10))
     }
diff --git a/src/test/resources/META-INF/services/org.junit.jupiter.api.extension.Extension b/src/test/resources/META-INF/services/org.junit.jupiter.api.extension.Extension
new file mode 100644
index 00000000..6cc832b4
--- /dev/null
+++ b/src/test/resources/META-INF/services/org.junit.jupiter.api.extension.Extension
@@ -0,0 +1,20 @@
+#
+# Copyright (C) 2023 NotEnoughUpdates contributors
+#
+# This file is part of NotEnoughUpdates.
+#
+# NotEnoughUpdates is free software: you can redistribute it
+# and/or modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation, either
+# version 3 of the License, or (at your option) any later version.
+#
+# NotEnoughUpdates is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with NotEnoughUpdates. If not, see <https://www.gnu.org/licenses/>.
+#
+
+io.github.moulberry.notenoughupdates.util.BootstrapHook