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[tests] Add test case for GFX APIs (#1646)
Signed-off-by: Cui Yan <yanx.cui@intel.com>
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‎tests/test-gfx-negative-manual.js‎

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// Copyright (c) 2017, Intel Corporation.
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// Software Requirements:
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// ST7735.js module
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// Hardware Requirements:
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// A SPI LCD screen(ST7735)
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// Wiring:
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// For SPI LCD screen(ST7735):
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// Wire VCC on SPI LCD screen(ST7735) to Vcc(3.3v) on the Arduino 101
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// Wire GND on SPI LCD screen(ST7735) to GND on the Arduino 101
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// Wire LED+ on SPI LCD screen(ST7735) to Vcc(3.3v) on the Arduino 101
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// Wire LED- on SPI LCD screen(ST7735) to GND on the Arduino 101
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// Wire CS on SPI LCD screen(ST7735) to IO4 on the Arduino 101
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// Wire RST on SPI LCD screen(ST7735) to IO7 on the Arduino 101
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// Wire DC(AO) on SPI LCD screen(ST7735) to IO8 on the Arduino 101
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// Wire SDA on SPI LCD screen(ST7735) to IO11 on the Arduino 101
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// Wire SCL on SPI LCD screen(ST7735) to IO13 on the Arduino 101
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console.log("Test GFX APIs with SPI LCD screen(ST7735)");
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var LCD = require("ST7735.js");
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var gfxLib = require("gfx");
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try {
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var GFX = gfxLib.init(LCD.width, LCD.height, LCD.initScreen, LCD.drawCB);
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GFX.drawPixel(0, 0, [0xF8, 0x00]);
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} catch (e) {
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console.log("\n" + e.name + " : " + e.message);
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console.log("init(width, height, screen, draw): ");
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console.log("expected result: Expected a function");
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}
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GFX = gfxLib.init(LCD.width, LCD.height, LCD.initScreen, LCD.drawCB, LCD);
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console.log("\ninit(width, height, screen, draw, optional): ");
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console.log("expected result: screen init successful");
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// Color init
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var BLACK = [0x00, 0x00];
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var BLUE = [0x00, 0x1F];
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var RED = [0xF8, 0x00];
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var GREEN = [0x07, 0xE0];
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var CYAN = [0x07, 0xFF];
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var MAGENTA = [0xF8, 0x1F];
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var YELLOW = [0xFF, 0xE0];
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var WHITE = [0xFF, 0xFF];
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var x = 0;
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var y = 0;
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var width = 0;
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var height = 0;
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var radius = 0;
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var backGround = function(color) {
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for (var i = 0; i < 16; i++) {
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x = 4 * i;
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y = 5 * i;
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width = 128 - 8 * i;
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height = 160 - 10 * i;
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GFX.drawRect(x, y, width, height, color, 5);
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}
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}
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var drawCircular = function(x, y, radius, color) {
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for (var i = -radius; i <= radius; i++) {
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for (var j = -radius; j <= radius; j++) {
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if ((i * i + j * j) <= radius * radius) {
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GFX.drawPixel(x + i, y + j, color);
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}
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}
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}
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}
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var valueArray;
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var screenCount = 0;
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var screenTimer = setInterval(function () {
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screenCount++;
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if (screenCount === 1) {
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backGround(BLACK);
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valueArray = [
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[0, 0, 160, 160],
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[0, 0, 128, 200],
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[-100, 0, 128, 160],
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[0, -100, 128, 160]
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];
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for (var k = 0; k < valueArray.length; k++) {
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try {
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GFX.fillRect(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], valueArray[k][3], WHITE);
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} catch (e) {
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console.log("\n" + e.name + " : " + e.message);
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console.log("fillRect(x, y, width, height, color): ");
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console.log("expected result: throw out error");
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}
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}
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}
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if (screenCount === 2) {
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backGround(BLACK);
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valueArray = [
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[0, 0, 5, "top left corner"],
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[128, 0, 5, "top right corner"],
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[0, 160, 5, "lower left corner"],
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[128, 160, 5, "lower right corner"]
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];
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for (var k = 0; k < valueArray.length; k++) {
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drawCircular(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], WHITE);
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console.log("\ndrawPixel(x, y, color): doodle and no error");
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console.log("expected result: draw circular in " +
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valueArray[k][3] + " outside of the screen");
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}
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}
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if (screenCount === 3) {
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backGround(BLACK);
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valueArray = [
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[30, -100, 200, 1],
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[50, 100, 200, 1],
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[70, -100, 300, 1],
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[-50, -50, 300, 1],
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[160, -50, 300, 1]
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];
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for (var k = 0; k < valueArray.length; k++) {
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GFX.drawVLine(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], WHITE, valueArray[k][3]);
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console.log("\ndrawVLine(x, y, height, color, size): " +
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"doodle and no error");
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console.log("expected result: draw vertical line " +
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"outside of the screen");
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}
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}
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if (screenCount === 4) {
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backGround(BLACK);
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valueArray = [
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[-100, 30, 200, 1],
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[50, 100, 200, 1],
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[-100, 70, 300, 1],
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[-50, -50, 300, 1],
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[-50, 200, 300, 1]
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];
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for (var k = 0; k < valueArray.length; k++) {
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GFX.drawHLine(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], WHITE, valueArray[k][3]);
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console.log("\ndrawHLine(x, y, width, color, size): " +
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"doodle and no error");
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console.log("expected result: draw horizontal line " +
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"outside of the screen");
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}
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}
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if (screenCount === 5) {
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backGround(BLACK);
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valueArray = [
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[-50, -50, 50, 50],
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[60, 60, 200, 200],
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[-100, -70, 300, 300],
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[-100, 10, 10, 100],
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[50, 300, 300, 100]
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];
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for (var k = 0; k < valueArray.length; k++) {
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GFX.drawLine(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], valueArray[k][3], WHITE);
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console.log("\ndrawLine(x0, y0, x1, y1, color): " +
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"doodle and no error");
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console.log("expected result: draw oblique line " +
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"outside of the screen");
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}
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}
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if (screenCount === 6) {
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backGround(BLACK);
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valueArray = [
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[50, -50, 50, 100],
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[50, 210, 50, 100],
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[-50, 50, 100, 50],
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[178, 50, 100, 50],
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[40, -60, 70, 280],
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[-60, 40, 70, 248],
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[-10, -10, 148, 180]
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];
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for (var k = 0; k < valueArray.length; k++) {
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GFX.drawRect(valueArray[k][0], valueArray[k][1],
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valueArray[k][2], valueArray[k][3], WHITE);
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console.log("\ndrawRect(x, y, width, height, color): " +
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"doodle and no error");
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console.log("expected result: draw hollow rectangle " +
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"outside of the screen");
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}
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}
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if (screenCount === 7) {
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var charCount = 0;
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var charTimer = setInterval(function () {
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if (charCount < 15) {
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backGround(BLACK);
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GFX.drawChar(0, 0, "I", WHITE, charCount + 1);
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} else {
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console.log("\ndrawChar(x, y, char, color, size): ");
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console.log("expected result: gradually enlarged");
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clearInterval(charTimer);
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}
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charCount++;
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}, 1000);
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}
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if (screenCount === 11) {
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var stringCount = 0;
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var stringTimer = setInterval(function () {
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if (stringCount < 15) {
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backGround(BLACK);
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GFX.drawString(0, 0, "ZJS", WHITE, stringCount + 1);
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} else {
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console.log("\ndrawString(x, y, str, color, size): ");
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console.log("expected result: gradually enlarged");
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clearInterval(stringTimer);
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}
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stringCount++;
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}, 1000);
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}
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if (screenCount === 15) {
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console.log("\nTesting completed");
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backGround(BLACK);
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clearInterval(screenTimer);
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}
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}, 5000);

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