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-rw-r--r--test-runner/src/android/test/ViewAsserts.java373
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diff --git a/test-runner/src/android/test/ViewAsserts.java b/test-runner/src/android/test/ViewAsserts.java
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-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * 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
- *
- * http://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 android.test;
-
-import static junit.framework.Assert.*;
-
-import android.view.View;
-import android.view.ViewGroup;
-
-/**
- * Some useful assertions about views.
- */
-public class ViewAsserts {
-
- private ViewAsserts() {}
-
- /**
- * Assert that view is on the screen.
- * @param origin The root view of the screen.
- * @param view The view.
- */
- static public void assertOnScreen(View origin, View view) {
- int[] xy = new int[2];
- view.getLocationOnScreen(xy);
-
- int[] xyRoot = new int[2];
- origin.getLocationOnScreen(xyRoot);
-
- int y = xy[1] - xyRoot[1];
-
- assertTrue("view should have positive y coordinate on screen",
- y >= 0);
-
- assertTrue("view should have y location on screen less than drawing "
- + "height of root view",
- y <= view.getRootView().getHeight());
- }
-
- /**
- * Assert that view is below the visible screen.
- * @param origin The root view of the screen.
- * @param view The view
- */
- static public void assertOffScreenBelow(View origin, View view) {
- int[] xy = new int[2];
- view.getLocationOnScreen(xy);
-
- int[] xyRoot = new int[2];
- origin.getLocationOnScreen(xyRoot);
-
- int y = xy[1] - xyRoot[1];
-
- assertTrue("view should have y location on screen greater than drawing "
- + "height of origen view (" + y + " is not greater than "
- + origin.getHeight() + ")",
- y > origin.getHeight());
- }
-
- /**
- * Assert that view is above the visible screen.
- * @param origin Te root view of the screen.
- * @param view The view
- */
- static public void assertOffScreenAbove(View origin, View view) {
- int[] xy = new int[2];
- view.getLocationOnScreen(xy);
-
- int[] xyRoot = new int[2];
- origin.getLocationOnScreen(xyRoot);
-
- int y = xy[1] - xyRoot[1];
-
- assertTrue("view should have y location less than that of origin view",
- y < 0);
- }
-
- /**
- * Assert that a view has a particular x and y position on the visible screen.
- * @param origin The root view of the screen.
- * @param view The view.
- * @param x The expected x coordinate.
- * @param y The expected y coordinate.
- */
- static public void assertHasScreenCoordinates(View origin, View view, int x, int y) {
- int[] xy = new int[2];
- view.getLocationOnScreen(xy);
-
- int[] xyRoot = new int[2];
- origin.getLocationOnScreen(xyRoot);
-
- assertEquals("x coordinate", x, xy[0] - xyRoot[0]);
- assertEquals("y coordinate", y, xy[1] - xyRoot[1]);
- }
-
- /**
- * Assert that two views are aligned on their baseline, that is that their baselines
- * are on the same y location.
- *
- * @param first The first view
- * @param second The second view
- */
- static public void assertBaselineAligned(View first, View second) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstTop = xy[1] + first.getBaseline();
-
- second.getLocationOnScreen(xy);
- int secondTop = xy[1] + second.getBaseline();
-
- assertEquals("views are not baseline aligned", firstTop, secondTop);
- }
-
- /**
- * Assert that two views are right aligned, that is that their right edges
- * are on the same x location.
- *
- * @param first The first view
- * @param second The second view
- */
- static public void assertRightAligned(View first, View second) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstRight = xy[0] + first.getMeasuredWidth();
-
- second.getLocationOnScreen(xy);
- int secondRight = xy[0] + second.getMeasuredWidth();
-
- assertEquals("views are not right aligned", firstRight, secondRight);
- }
-
- /**
- * Assert that two views are right aligned, that is that their right edges
- * are on the same x location, with respect to the specified margin.
- *
- * @param first The first view
- * @param second The second view
- * @param margin The margin between the first view and the second view
- */
- static public void assertRightAligned(View first, View second, int margin) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstRight = xy[0] + first.getMeasuredWidth();
-
- second.getLocationOnScreen(xy);
- int secondRight = xy[0] + second.getMeasuredWidth();
-
- assertEquals("views are not right aligned", Math.abs(firstRight - secondRight), margin);
- }
-
- /**
- * Assert that two views are left aligned, that is that their left edges
- * are on the same x location.
- *
- * @param first The first view
- * @param second The second view
- */
- static public void assertLeftAligned(View first, View second) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstLeft = xy[0];
-
- second.getLocationOnScreen(xy);
- int secondLeft = xy[0];
-
- assertEquals("views are not left aligned", firstLeft, secondLeft);
- }
-
- /**
- * Assert that two views are left aligned, that is that their left edges
- * are on the same x location, with respect to the specified margin.
- *
- * @param first The first view
- * @param second The second view
- * @param margin The margin between the first view and the second view
- */
- static public void assertLeftAligned(View first, View second, int margin) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstLeft = xy[0];
-
- second.getLocationOnScreen(xy);
- int secondLeft = xy[0];
-
- assertEquals("views are not left aligned", Math.abs(firstLeft - secondLeft), margin);
- }
-
- /**
- * Assert that two views are bottom aligned, that is that their bottom edges
- * are on the same y location.
- *
- * @param first The first view
- * @param second The second view
- */
- static public void assertBottomAligned(View first, View second) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstBottom = xy[1] + first.getMeasuredHeight();
-
- second.getLocationOnScreen(xy);
- int secondBottom = xy[1] + second.getMeasuredHeight();
-
- assertEquals("views are not bottom aligned", firstBottom, secondBottom);
- }
-
- /**
- * Assert that two views are bottom aligned, that is that their bottom edges
- * are on the same y location, with respect to the specified margin.
- *
- * @param first The first view
- * @param second The second view
- * @param margin The margin between the first view and the second view
- */
- static public void assertBottomAligned(View first, View second, int margin) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstBottom = xy[1] + first.getMeasuredHeight();
-
- second.getLocationOnScreen(xy);
- int secondBottom = xy[1] + second.getMeasuredHeight();
-
- assertEquals("views are not bottom aligned", Math.abs(firstBottom - secondBottom), margin);
- }
-
- /**
- * Assert that two views are top aligned, that is that their top edges
- * are on the same y location.
- *
- * @param first The first view
- * @param second The second view
- */
- static public void assertTopAligned(View first, View second) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstTop = xy[1];
-
- second.getLocationOnScreen(xy);
- int secondTop = xy[1];
-
- assertEquals("views are not top aligned", firstTop, secondTop);
- }
-
- /**
- * Assert that two views are top aligned, that is that their top edges
- * are on the same y location, with respect to the specified margin.
- *
- * @param first The first view
- * @param second The second view
- * @param margin The margin between the first view and the second view
- */
- static public void assertTopAligned(View first, View second, int margin) {
- int[] xy = new int[2];
- first.getLocationOnScreen(xy);
- int firstTop = xy[1];
-
- second.getLocationOnScreen(xy);
- int secondTop = xy[1];
-
- assertEquals("views are not top aligned", Math.abs(firstTop - secondTop), margin);
- }
-
- /**
- * Assert that the <code>test</code> view is horizontally center aligned
- * with respect to the <code>reference</code> view.
- *
- * @param reference The reference view
- * @param test The view that should be center aligned with the reference view
- */
- static public void assertHorizontalCenterAligned(View reference, View test) {
- int[] xy = new int[2];
- reference.getLocationOnScreen(xy);
- int referenceLeft = xy[0];
-
- test.getLocationOnScreen(xy);
- int testLeft = xy[0];
-
- int center = (reference.getMeasuredWidth() - test.getMeasuredWidth()) / 2;
- int delta = testLeft - referenceLeft;
-
- assertEquals("views are not horizontally center aligned", center, delta);
- }
-
- /**
- * Assert that the <code>test</code> view is vertically center aligned
- * with respect to the <code>reference</code> view.
- *
- * @param reference The reference view
- * @param test The view that should be center aligned with the reference view
- */
- static public void assertVerticalCenterAligned(View reference, View test) {
- int[] xy = new int[2];
- reference.getLocationOnScreen(xy);
- int referenceTop = xy[1];
-
- test.getLocationOnScreen(xy);
- int testTop = xy[1];
-
- int center = (reference.getMeasuredHeight() - test.getMeasuredHeight()) / 2;
- int delta = testTop - referenceTop;
-
- assertEquals("views are not vertically center aligned", center, delta);
- }
-
- /**
- * Assert the specified group's integrity. The children count should be >= 0 and each
- * child should be non-null.
- *
- * @param parent The group whose integrity to check
- */
- static public void assertGroupIntegrity(ViewGroup parent) {
- final int count = parent.getChildCount();
- assertTrue("child count should be >= 0", count >= 0);
-
- for (int i = 0; i < count; i++) {
- assertNotNull("group should not contain null children", parent.getChildAt(i));
- assertSame(parent, parent.getChildAt(i).getParent());
- }
- }
-
- /**
- * Assert that the specified group contains a specific child once and only once.
- *
- * @param parent The group
- * @param child The child that should belong to group
- */
- static public void assertGroupContains(ViewGroup parent, View child) {
- final int count = parent.getChildCount();
- assertTrue("Child count should be >= 0", count >= 0);
-
- boolean found = false;
- for (int i = 0; i < count; i++) {
- if (parent.getChildAt(i) == child) {
- if (!found) {
- found = true;
- } else {
- assertTrue("child " + child + " is duplicated in parent", false);
- }
- }
- }
-
- assertTrue("group does not contain " + child, found);
- }
-
- /**
- * Assert that the specified group does not contain a specific child.
- *
- * @param parent The group
- * @param child The child that should not belong to group
- */
- static public void assertGroupNotContains(ViewGroup parent, View child) {
- final int count = parent.getChildCount();
- assertTrue("Child count should be >= 0", count >= 0);
-
- for (int i = 0; i < count; i++) {
- if (parent.getChildAt(i) == child) {
- assertTrue("child " + child + " is found in parent", false);
- }
- }
- }
-}