36 lines
1.2 KiB
Kotlin
36 lines
1.2 KiB
Kotlin
package co.electriccoin.zcash.spackle
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import android.content.Context
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import android.provider.Settings
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/*
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* This is not under a test module, because there are some code paths that we might want to alter
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* during Emulator WTF tests.
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*/
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object EmulatorWtfUtil {
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private const val EMULATOR_WTF_SETTING = "emulator.wtf" // $NON-NLS
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private const val SETTING_TRUE = "true" // $NON-NLS
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private val isEmulatorWtfCached = LazyWithArgument<Context, Boolean> {
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isEmulatorWtfImpl(it)
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}
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/**
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* @return True if the environment is emulator.wtf
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*/
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fun isEmulatorWtf(context: Context) = isEmulatorWtfCached.getInstance(context)
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private fun isEmulatorWtfImpl(context: Context): Boolean {
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// Tested with the benchmark library, this is very fast. There shouldn't be a need to make
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// this a suspend function. That said, we'll still cache the result as a just-in-case
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// since IPC may be involved.
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return runCatching {
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SETTING_TRUE == Settings.System.getString(context.contentResolver, EMULATOR_WTF_SETTING)
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}.recover {
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// Fail-safe in case an error occurs
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// 99.9% of the time, it won't be Emulator.wtf
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false
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}.getOrThrow()
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}
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}
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