Dev: add tests for primitives issue

Author: andriydruk

sample/src/androidTest/java/com/readdle/swiftjava/sample/Issue31Tests.kt

@@ -0,0 +1,34 @@
+package com.readdle.swiftjava.sample
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.readdle.codegen.anotation.JavaSwift
+import com.readdle.swiftjava.sample.SwiftEnvironment.Companion.initEnvironment
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class Issue31Tests {
+
+    @Before
+    fun setUp() {
+        System.loadLibrary("SampleAppCore")
+        JavaSwift.init()
+        initEnvironment()
+    }
+
+    @Test
+    fun testValueTypeNanBug() {
+        val progress = Issue31TestProgress(elapsed = 8, total = 8)
+        Assert.assertNotEquals(Double.NaN, progress.percentage)
+        Assert.assertNotEquals(Double.NaN, progress.calculatePercentage())
+    }
+
+    @Test
+    fun testReferenceTypeNanBug() {
+        val progress = Issue31ReferenceTestProgress.init(elapsed = 8, total = 8)
+        Assert.assertNotEquals(Double.NaN, progress.percentage)
+        Assert.assertNotEquals(Double.NaN, progress.calculatePercentage())
+    }
+}

sample/src/main/java/com/readdle/swiftjava/sample/Issue31Test.kt

@@ -0,0 +1,39 @@
+package com.readdle.swiftjava.sample
+
+import com.readdle.codegen.anotation.SwiftFunc
+import com.readdle.codegen.anotation.SwiftGetter
+import com.readdle.codegen.anotation.SwiftReference
+import com.readdle.codegen.anotation.SwiftValue
+
+@SwiftValue
+data class Issue31TestProgress(
+        var elapsed: Int = 0,
+        var total: Int = 1
+) {
+    @get:SwiftGetter
+    val percentage: Double external get
+
+    @SwiftFunc
+    external fun calculatePercentage(): Double
+}
+
+@SwiftReference
+class Issue31ReferenceTestProgress private constructor() {
+    // Swift JNI private native pointer
+    private val nativePointer = 0L
+
+    // Swift JNI release method
+    external fun release()
+
+    @get:SwiftGetter
+    val percentage: Double external get
+
+    @SwiftFunc
+    external fun calculatePercentage(): Double
+
+    companion object {
+        @JvmStatic
+        @SwiftFunc("init(elapsed:total:)")
+        external fun init(elapsed: Int, total: Int): Issue31ReferenceTestProgress
+    }
+}

sample/src/main/swift/Sources/SampleAppCore/IssueTests/Issue31Test.swift

@@ -0,0 +1,37 @@
+import Foundation
+
+public struct Issue31TestProgress: Codable {
+    public let elapsed: Int
+    public let total: Int
+
+    public var percentage: Double {
+        return 1.0
+    }
+
+    public init(elapsed: Int, total: Int) {
+        self.elapsed = elapsed
+        self.total = total
+    }
+
+    public func calculatePercentage() -> Double {
+        return percentage
+    }
+}
+
+public class Issue31ReferenceTestProgress: Codable {
+    public let elapsed: Int
+    public let total: Int
+
+    public var percentage: Double {
+        return 1.0
+    }
+
+    public init(elapsed: Int, total: Int) {
+        self.elapsed = elapsed
+        self.total = total
+    }
+
+    public func calculatePercentage() -> Double {
+        return percentage
+    }
+}