From ccd3dd65026cfb28285fb6119ae632384754e749 Mon Sep 17 00:00:00 2001
From: Bernardo Rufino <brufino@google.com>
Date: Mon, 15 Feb 2021 18:47:42 +0000
Subject: Add InputDispatcher unit tests for untrusted touches [4/n]

Tests for boundary values for maximum obscuring opacity.

Bug: 158002302
Bug: 177840583
Test: atest InputDispatcherUntrustedTouchesTest
Change-Id: Ia399d4cd4493cad3bbeaaf18255ed8a608bb4c2d
---
 .../inputflinger/tests/InputDispatcher_test.cpp    | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index dd044ca7a4..209639c880 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -4486,4 +4486,39 @@ TEST_F(InputDispatcherUntrustedTouchesTest, SelfWindowWithBlockUntrustedMode_All
     mTouchWindow->consumeAnyMotionDown();
 }
 
+TEST_F(InputDispatcherUntrustedTouchesTest,
+       OpacityThresholdIs0AndWindowAboveThreshold_BlocksTouch) {
+    mDispatcher->setMaximumObscuringOpacityForTouch(0.0f);
+    const sp<FakeWindowHandle>& w =
+            getOccludingWindow(APP_B_UID, "B", TouchOcclusionMode::USE_OPACITY, 0.1f);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {w, mTouchWindow}}});
+
+    touch();
+
+    mTouchWindow->assertNoEvents();
+}
+
+TEST_F(InputDispatcherUntrustedTouchesTest, OpacityThresholdIs0AndWindowAtThreshold_AllowsTouch) {
+    mDispatcher->setMaximumObscuringOpacityForTouch(0.0f);
+    const sp<FakeWindowHandle>& w =
+            getOccludingWindow(APP_B_UID, "B", TouchOcclusionMode::USE_OPACITY, 0.0f);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {w, mTouchWindow}}});
+
+    touch();
+
+    mTouchWindow->consumeAnyMotionDown();
+}
+
+TEST_F(InputDispatcherUntrustedTouchesTest,
+       OpacityThresholdIs1AndWindowBelowThreshold_AllowsTouch) {
+    mDispatcher->setMaximumObscuringOpacityForTouch(1.0f);
+    const sp<FakeWindowHandle>& w =
+            getOccludingWindow(APP_B_UID, "B", TouchOcclusionMode::USE_OPACITY, 0.9f);
+    mDispatcher->setInputWindows({{ADISPLAY_ID_DEFAULT, {w, mTouchWindow}}});
+
+    touch();
+
+    mTouchWindow->consumeAnyMotionDown();
+}
+
 } // namespace android::inputdispatcher
-- 
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